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Honda CR250R (1986)


Owner: Spankyman
Added on September 18, 2014



Photo
- - - - -

CR250 Model Year Changes: 1998-2006


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86 replies to this topic
  • 317

    TT Silver Member

506 posts
Location: Idaho
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Posted October 11, 2006 - 02:19 PM


1998

NEW FOR 1998:
  • Fork travel increase of 9mm and friction-reducing compression and damping refinements.
  • Rear shock stroke-increase of 5.8mm results in an increase of rear axle stroke by 10.2mm. New rear spring rate and rear linkage ratio.
  • Revised frame geometry includes steeper caster, shorter trail, and shorter wheelbase.
  • Frame has relocated shock mount, new chain-roller location, and improved welding methods at headpipe, shock mount, and engine bracket areas.
  • Subframe uses thinner-walled design and a new mounting location to reduce weight and maintain strength.
  • New swingarm features a 1.5mm-thicker cross-body for improved rigidity and balance.
  • Redesigned countershaft provides a more precise fit with drive sprocket.
  • Stainless steel clutch cable for longer life.
  • Seat foam density improved.

ENGINE:
  • Liquid-cooled 2-stroke single cylinder engine with 66.4mm x 72.0mm bore & stroke and 8.7:1 compression ratio.
  • Map-type digital electronic ignition system monitors engine speed to provide optimal timing for faster, stronger response during hard acceleration.
  • Power Jet Control (PJC) carburetor features solenoid-controlled auxiliary main jet that opens at low rpm for stronger, more linear response and improved traction out of corners.
  • Steel water-pump gear.
  • Large-volume single radiator.

CHASSIS / SUSPENSION:
  • Aluminum twin-spar frame features dual box-section spars and downtubes, and compact forged pivot-plates for light weight and rigidity. Main frame and swingarm have variable wall-thickness for ideal combination of light weight and strength.
  • Light, tapered aluminum box-section swingarm.
  • Rear axle features integrated collars.
  • Rear disc brake features low-positioned caliper and thin, large-diameter, 240mm rotor.
  • Lightweight 47mm inverted Showa cartridge fork features 12.4 inches of travel, and 18-position rebound damping adjustability in addition to 20 clicks of compression damping adjustability.
  • Inner surface of front fork outer-tubes and rear damper case are molybdenum-coated for low friction.
  • Pro-Link® single-shock rear suspension system features a fully adjustable Showa 46mm rear damper and 12.9 inches of wheel travel. Separate low-speed and high-speed compression damping adjusters.

ADDITIONAL FEATURES:
  • Wide, cleated, self-cleaning, folding, cast stainless steel footpegs.
  • Lightweight, ultra-strong chain guide.
  • Cleated rear brake lever and folding shift lever tip.
  • Strong, rigid front wheel features large-diameter front axle and wide wheel-bearing span.
  • Super-light rims, straight-pull spokes and lightweight hubs offer exceptional durability and minimize unsprung weight for optimum suspension action.

SPECIFICATIONS:
Model: CR250R
Engine Type: 249cc liquid-cooled single-cylinder two-stroke with power-port system
Bore and Stroke: 66.4mm x 72mm
Compression Ratio: 8.7:1
Induction: Four-petal reed valve
Carburetion: 38.3mm flat-slide
Ignition: Solid-state map-type digital ignition with electronic advance
Transmission: Close-ratio five-speed
Final Drive: #520 chain; 13T/50T
Suspension Front: 47mm inverted Showa cartridge fork with 18-position rebound and 20-position compression damping adjustability; 12.4 inches travel
Suspension Rear: Pro-Link Showa single shock with spring preload, 20-position rebound damping adjustability, and compression damping adjustment separated into low-speed (8 positions) and high-speed (2 turns); 12.9 inches travel
Brakes Front: Single 240mm disc with twin-piston caliper
Brakes Rear: Single 240mm disc
Tires Front: 80/100-21
Tires Rear: 110/90-19
Wheelbase: 58.2 inches
Seat Height: 36.7 inches
Ground Clearance: 12.8 inches
Dry Weight: 213.8 pounds
Fuel Capacity: 2.0 gallons
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  • 317

    TT Silver Member

506 posts
Location: Idaho
Garage View Garage

Posted October 11, 2006 - 02:20 PM


1999

NEW FOR 1999:
  • All-new six-petal reed valve improves throttle response and power delivery.
  • Significant cylinder port redesign adds low-end and mid-range power. All ports are lowered 0.2mm, with extensive reshaping of exhaust sub-ports and intake ports.
  • New exhaust pipe dimensions and porting changes maintain optimum power delivery.
  • New 38mm flat-slide Keihen carburetor (no power jet control circuit) incorporates a unique dual-taper needle for precise fuel/air metering and a simpler, straighter slow jet circuit for better throttle response.
  • Piston durability is improved by increasing thickness of the upper ring land.
  • Redesigned cylinder head combustion area.
  • New ignition CPU utilizes a 16-bit processor for faster data calculation and more accurate ignition timing for the solid-state 3-D map-type digital ignition.
  • Front fork refinements include new damping force rates; a stiffer (.42) spring rate; redesigned, low-friction oil seal lip; and a more rigid stanchion tube with an internal shape change to reduce side-load friction. Additional changes to the top spring rate (now 1.9) and air pressure ratio, together with a new two-piece piston bushing.
  • New, 1mm-shorter shock features new damping force rates for a lower seat height, relaxed caster angle and 4mm more trail.
  • Revised rear linkage ratio with new shock settings.
  • Redesigned, lighter chain guide and lower chain roller.
  • Reshaped, rubber-mounted handlebar.
  • Seat foam density reduced.

ENGINE:
  • 3-D map-type digital electronic ignition system monitors engine speed to provide optimal timing.

CHASSIS / SUSPENSION:
  • Lightweight 47mm inverted Showa cartridge fork features 12.4 inches of travel, and 16-position rebound damping adjustability in addition to 16 positions of compression damping adjustability.
  • Pro-Link® single-shock rear suspension system features a fully adjustable 46mm Showa rear damper and 12.7 inches of wheel travel. Separate low-speed and high-speed compression damping adjusters.

SPECIFICATIONS:
Model: CR250R
Engine Type: 249cc liquid-cooled single-cylinder two-stroke with power-port system
Bore and Stroke: 66.4mm x 72mm
Compression Ratio: 8.7:1
Induction: Six-petal reed valve
Carburetion: 38mm flat-slide
Ignition: Solid-state 3-D map-type digital ignition with electronic advance
Transmission: Close-ratio five-speed
Final Drive: #520 chain; 13T/50T
Suspension Front: 47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability; 12.4 inches travel
Suspension Rear: Pro-Link Showa single shock with spring preload, 17-position rebound damping adjustability, and compression damping adjustment separated into low-speed (13 positions) and high-speed (3.5 turns); 12.7 inches travel
Brakes Front: Single 240mm disc with twin-piston caliper
Brakes Rear: Single 240mm disc
Tires Front: 80/100-21
Tires Rear: 110/90-19
Wheelbase: 58.3 inches
Rake (Caster Angle): 27.32°
Trail: 113.4mm (4.46 inches)
Seat Height: 37.2 inches
Ground Clearance: 13.2 inches
Dry Weight: 213.8 pounds
Fuel Capacity: 2.0 gallons

  • 317

    TT Silver Member

506 posts
Location: Idaho
Garage View Garage

Posted October 11, 2006 - 02:21 PM


2000

NEW FOR 2000:
  • All-new second-generation twin-spar aluminum frame and swingarm.
  • Redesigned engine ports, air intake tract and exhaust provide excellent high rpm output, improved low and mid-range power delivery, and more useable power throughout the rev band.
  • Slim new design with minimal bodywork. A redesigned seat creates a 10-15mm narrower profile in the seat and tank area.

ENGINE:
  • Larger airbox with 35-percent more volume is located 15mm farther forward.
  • 38mm flat-slide Keihen (PWK Air Striker) carburetor incorporates a triple-taper needle.
  • Carburetor insulator features an internal step that smoothes airflow drawn into the engine.
  • Reshaped CRV rotary/flap exhaust valve has longer extensions at the side of the flap to better follow the exhaust port shape for increased internal turbulence, improved exhaust scavenging, and responsive acceleration.
  • Sub-exhaust valve port is raised 1mm to improve exhaust transition flow to exhaust valves.
  • Modified expansion chamber.
  • 16-bit processor in the ignition CPU produces faster data calculation and more accurate ignition timing for the solid-state 3-D map-type digital ignition.
  • New dual radiators provide 10-percent more surface area and a 8-percent improvement in heat dispersion over the previous single radiator design.

CHASSIS / SUSPENSION:
  • Completely new second-generation frame features smaller, lighter twin-spar aluminum construction with semi-double engine cradle configuration.
  • Extruded aluminum main frame spars are narrowed from 90mm to 80mm while retaining 30mm spar thickness, reducing torsional rigidity 25-percent and increasing lateral rigidity 10-percent to provide an ideal balance of rigidity, strength, compliance and comfort.
  • New chassis design moves frame spars lower for a narrower feel.
  • New forged aluminum steering head replaces extruded piece.
  • Semi-double engine cradle features a single, large diameter 45mm x 50mm dual box section downtube. Two rugged box-section rails attach to the base of the downtube and support the engine.
  • Redesigned upper and lower triple clamps increase steering precision.
  • Lightweight, 47mm inverted Showa cartridge fork features 12.4 inches of travel, 16-position rebound damping adjustability and 16-position compression damping adjustability.
  • All-new swingarm features a dual-axis, double taper design with a larger, cast aluminum cross-member for 25-percent greater swingarm rigidity.
  • Pro-Link® single-shock rear suspension system features a fully adjustable Showa rear damper and 12.5 inches of wheel travel. Separate low-speed (13 positions) and high-speed (3.5 turns) compression damping adjusters.
  • Rear shock's damper piston diameter is increased from 46mm to 50mm.
  • Redesigned Pro-Link linkage is 3.5 ounces lighter, providing a lower rate in the swingarm's initial travel and a higher rate approaching full compression.
  • Linkage mount on frame cross-brace is raised 10mm to minimize ground contact.
  • Increased rear axle diameter from 20mm to 25mm and larger diameter bearings.
  • New, compact dual-piston front brake caliper with steel pistons reduces unsprung weight by 2.8 ounces.

ADDITIONAL FEATURES:
  • All new fenders, shrouds and sidecovers.
  • Reshaped seat with softer foam is positioned closer to the reshaped fuel tank.
  • Handlebar is rubber-mounted.
  • CR125/250 handlebar holders provide 3 different mounting positions: standard CR250R holder provides neutral position and optional CR125R holder provides ±3mm fore or aft position to match rider preference.
  • Adjustable front brake lever.

SPECIFICATIONS:
Model: CR250R
Engine Type: 249cc liquid-cooled single-cylinder two-stroke with power-port system
Bore and Stroke: 66.4mm x 72mm
Compression Ratio: 8.7:1
Induction: Six-petal reed valve
Carburetion: 38mm flat-slide
Ignition: Solid-state 3-D map-type digital ignition with electronic advance
Transmission: Close-ratio five-speed
Final Drive: #520 chain; 13T/50T
Suspension Front: 47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability; 12.4 inches travel
Suspension Rear: Pro-Link Showa single shock with spring preload, 17-position rebound damping adjustability, and compression damping adjustment separated into low-speed (13 positions) and high-speed (3.5 turns); 12.5 inches travel
Brakes Front: Single 240mm disc with twin-piston caliper
Brakes Rear: Single 240mm disc
Tires Front: 80/100-21
Tires Rear: 110/90-19
Wheelbase: 58.5 inches
Rake (Caster Angle): 27.73°
Trail: 113.8mm (4.48 inches)
Seat Height: 37.7 inches
Ground Clearance: 13.1 inches
Dry Weight: 213.8 pounds
Fuel Capacity: 2.0 gallons

  • 317

    TT Silver Member

506 posts
Location: Idaho
Garage View Garage

Posted October 11, 2006 - 02:21 PM


2001

NEW FOR 2001:
  • New cylinder port shapes and timing specs.
  • All-new lighter 38mm flat-slide Mikuni TMX carburetor.
  • New reed-petal-stopper shape.
  • New exhaust pipe and muffler design.
  • New ignition timing curve.
  • New lightweight drive chain is 3 ounces lighter than the previous design.
  • New increased spring rates, with lighter damping forces in both fork and shock.
  • New piston in rear shock provides improved shock absorption and consistent damping.
  • New anodized aluminum brake pistons reduce unsprung weight by 48 grams in the front brake caliper.
  • New lightweight steering stem features aluminum top threads and stem nut to reduce weight 2 ounces.
  • New side panels feature 20-percent-wider air intake openings for improved response.
  • Optional 20-inch front wheel.

ENGINE:
  • Redesigned engine ports, air intake tract and exhaust.
  • Revised engine cases improving structural strength.
  • Modified expansion chamber.

SPECIFICATIONS:
Model: CR250R
Engine Type: 249cc liquid-cooled single-cylinder two-stroke with power-port system
Bore and Stroke: 66.4mm x 72mm
Compression Ratio: 8.7:1
Induction: Six-petal reed valve
Carburetion: 38mm Mikuni TMX flat-slide
Ignition: Solid-state three-dimensional map-type digital ignition with electronic advance
Transmission: Close-ratio five-speed
Final Drive: #520 chain; 13T/50T
Suspension Front:
47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability; 12.4 inches travel
Suspension Rear: Pro-Link Showa single shock with spring preload, 17-position rebound damping adjustability, and compression damping adjustment separated into low-speed (13 positions) and high-speed (3.5 turns); 12.5 inches travel
Brakes Front: Single 240mm disc with twin-piston caliper
Brakes Rear: Single 240mm disc
Tires Front: 80/100-21
Tires Rear: 110/90-19
Wheelbase: 58.5 inches
Rake (Caster Angle): 27.73 degrees
Trail: 113.8mm (4.48 inches)
Seat Height: 36.7 inches
Ground Clearance: 13.0 inches
Dry Weight: 213.8 pounds
Fuel Capacity: 2.0 gallons

  • 317

    TT Silver Member

506 posts
Location: Idaho
Garage View Garage

Posted October 11, 2006 - 02:22 PM


2002

NEW FOR 2002:
  • All-new case-reed engine features a redesigned air intake tract and an electronically controlled RC-type exhaust valve.
  • All-new third-generation twin-spar aluminum frame, a narrower cross section and a 1.1-pound weight reduction.
  • Redesigned rear brake system reduces weight 11.8 ounces.
  • Aluminum spoke nipples on front and rear wheels and a new rear wheel and hub design contribute to unsprung weight reductions of 3.5 and 15.9 ounces, respectively.
  • Refined rider ergonomics.

ENGINE:
  • Liquid-cooled two-stroke single-cylinder engine with 66.4mm x 72mm bore and stroke and 8.5:1 compression ratio.
  • Air intake boot is reshaped and boot volume is increased 65cc to provide a 7 percent increase in airflow capacity, contributing to improved performance in the mid-and upper-rpm ranges.
  • Crankcase reed induction with two-stage carbon fiber four-petal reed valve.
  • RC-style exhaust valve features an NSR® road racing-inspired rotary flap design with electronic control. The electronic control module uses engine rpm to calculate exhaust valve position and signal a DC servo motor to adjust the RC valve.
  • New Exhaust header and expansion chamber.
  • A 16-bit CPU incorporates both the DC capacitive discharge ignition (CDI) and exhaust valve servo control.
  • Clutch damper design improves rear suspension feel and action while accelerating over bumps.
  • Lightweight magnesium clutch cover reduces weight 7.8 ounces.
  • Five-speed close-ratio transmission features a thicker fourth gear.

CHASSIS / SUSPENSION:
  • All-new third-generation twin-spar aluminum frame has taller swingarm pivot plates and thinner frame spars to create a narrower overall frame cross-section. Together with a new, lower subframe assembly, rider comfort and maneuverability are improved and frame weight is reduced 10.6 ounces.
  • Semi-double-cradle design features a single large-diameter, tapered downtube. Two rugged box-section rails attach to the base of the downtube and support the engine. A forged aluminum steering head provides a compact and extremely durable mount for the frame spars and engine downtube.
  • Swingarm features a dual-axis, double-taper design with a large cast aluminum cross-member. Swingarm casting walls are 0.5mm thinner to decrease weight by 7 ounces, yet overall rigidity is increased by 20 percent.
  • Front and rear wheels feature HRC© works-type lightweight aluminum spoke nipples. Front wheel unsprung weight is reduced by 3.5 ounces. Together with a new rear wheel, hub and spoke design, rear wheel unsprung weight is reduced 15.9 ounces.
  • Lightweight, 47mm inverted Showa® twin-chamber cartridge fork with aluminum dampers is 12.3 ounces lighter than the previous design and features 12.4 inches of travel, 16-position rebound damping adjustability and 16-position compression damping adjustability. Inner surfaces of front fork outer tubes and rear damper case are molybdenum-coated for smooth, low-friction operation.
  • Pro-Link® single-shock rear suspension features a fully adjustable Showa rear damper and 12.6 inches of wheel travel, separate low-speed (13 positions) and high-speed (3.5 turns) compression damping adjusters and 17-position rebound damping.
  • New HRC works-type rear brake system now integrates the rear master cylinder and fluid reservoir, eliminating the rear master cylinder reservoir and hose. Together with a smaller caliper and smaller-diameter rear brake piston, overall system weight is reduced by 11.8 ounces and serviceability is improved.
  • Rear disc swept area is increased 14 percent to provide optimum braking control.

ADDITIONAL FEATURES:
  • New frame allows sidecovers to have larger air intake ducts, contributing to a significant airflow increase in the mid- and upper-rpm ranges.
  • Rider ergonomics are optimized by raising the handlebar 2.5mm and moving it 3mm closer to the rider, raising the seat 5mm and raising the footpegs 10mm.
  • Seat cushion uses multi-density foam construction.
  • Brake lever and shift pedal are redesigned to fit the improved riding position. Brake pedal features a revised ratio to match new rear brake master cylinder design.
  • New chain guide material offers improved wear resistance and durability is increased 300 percent. Chain roller now features a tough, double-sealed bearing.

SPECIFICATIONS:
Model: CR250R
Engine Type: 249cc liquid-cooled single-cylinder two-stroke with electronically controlled RC valve
Bore and Stroke: 66.4mm x 72mm
Compression Ratio: 8.5:1
Induction: Four-petal crankcase reed-valve
Carburetion: 38mm Mikuni TMX flat-slide
Ignition: Solid-state DC CDI with three-dimensional mapping and electronic advance
Transmission: Close-ratio five-speed
Final Drive: #520 chain; 13T/48T
Suspension Front: 47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability; 12.4 inches travel
Suspension Rear: Pro-Link Showa single shock with spring preload, 17-position rebound damping adjustability, and compression damping adjustment separated into low-speed (13 positions) and high-speed (3.5 turns); 12.6 inches wheel travel
Brakes Front: Single 240mm disc with twin-piston caliper
Brakes Rear: Single 240mm disc
Tires Front: 80/100-21
Tires Rear: 110/90-19
Wheelbase: 58.7 inches
Rake (Caster Angle): 26.73 degrees
Trail: 106.7mm (4.20 inches)
Seat Height: 37.08 inches
Ground Clearance: 13.6 inches
Dry Weight: 213.0 pounds
Fuel Capacity: 2.0 gallons

  • 317

    TT Silver Member

506 posts
Location: Idaho
Garage View Garage

Posted October 11, 2006 - 02:23 PM


2003

NEW FOR 2003:
  • New cylinder porting.
  • New eight-petal reed valve.
  • New air intake system offers straighter alignment to produce more direct airflow.
  • Redesigned number plate and inner duct.
  • New foam gasket between airbox and air boot for better sealing and airflow management.
  • New works-shaped expansion chamber.
  • New ignition timing settings help broaden the engine's powerband.

ENGINE:
  • Air intake boot is reshaped for more direct airflow, contributing to strong low-speed engine performance.
  • Five-speed close-ratio transmission features thicker second and third gears.

SPECIFICATIONS:
Model: CR250R
Engine Type: 249cc liquid-cooled single-cylinder two-stroke with electronically controlled RC valve
Bore and Stroke: 66.4mm x 72mm
Compression Ratio: 8.5:1
Induction: Eight-petal crankcase reed-valve
Carburetion: 38mm Mikuni TMX flat-slide
Ignition: CDI with three-dimensional mapping and electronic advance
Transmission: Close-ratio five-speed
Final Drive: #520 chain; 13T/48T
Suspension Front: 47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability; 12.4 inches travel
Suspension Rear: Pro-Link Showa single shock with spring preload, 17-position rebound damping adjustability, and compression damping adjustment separated into low-speed (13 positions) and high-speed (3.5 turns); 12.6 inches travel
Brakes Front: Single 240mm disc with twin-piston caliper
Brakes Rear: Single 240mm disc
Tires Front: 80/100-21
Tires Rear: 110/90-19
Wheelbase: 58.7 inches
Rake (Caster Angle): 26.73°
Trail: 106.7mm (4.20 inches)
Seat Height: 37.08 inches
Ground Clearance: 13.6 inches
Dry Weight: 213 pounds
Fuel Capacity: 2.0 gallons

  • 317

    TT Silver Member

506 posts
Location: Idaho
Garage View Garage

Posted October 11, 2006 - 02:24 PM


2004

NEW FOR 2004:
  • Aluminum Renthal 971 bend handlebar.
  • "Non-slip" seat cover for increased rider control.
  • Newly designed footpeg hinges prevent dirt accumulation for consistent footpeg angle.
  • Front fork tubes use same honing process as works bikes for less friction. First time on a mass production motocrosser.
  • Improved suspension damping characteristics.
  • Quick-adjust clutch perch.
  • Newly designed clutch lever.
  • New engine cases to improve mixture flow.
  • Redesigned free-flowing reed valves for increased bottom-end power.
  • TMX 38 carburetor gets new throttle position sensor (TPS).
  • Air cleaner connecting tube volume up 6.5 percent.
  • Shape and position of exhaust port changed.
  • Dunlop D742 front and D756 rear tires.
  • Newly designed front fender and front number plate.
  • New fork guards, engine guards and front hose clamps redesigned to reduce weight.
  • Air intake system offers straighter alignment to produce more direct airflow.

ENGINE:
  • Carburetor now has throttle-position sensor (TPS) to calibrate timing with exhaust valve for improved power delivery.
  • New cylinder porting.
  • New Exhaust header and expansion chamber.

SPECIFICATIONS:
Model: CR250R
Engine Type: 249cc liquid-cooled single-cylinder two-stroke with electronically controlled RC valve
Bore and Stroke: 66.4mm x 72mm
Compression Ratio: 8.5:1
Induction: Eight-petal crankcase reed-valve
Carburetion: 38mm Mikuni TMX flat-slide with throttle position sensor (TPS)
Ignition: CDI with three-dimensional mapping and electronic advance
Transmission: Close-ratio five-speed
Final Drive: #520 chain; 13T/48T
Suspension Front: 47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability; 12.4 inches travel
Suspension Rear: Pro-Link Showa single shock with spring preload, 17-position rebound damping adjustability, and compression damping adjustment separated into low-speed (13 positions) and high-speed (3.5 turns); 12.6 inches travel
Brakes Front: Single 240mm disc with twin-piston caliper
Brakes Rear: Single 240mm disc
Tires Front: 80/100-21
Tires Rear: 110/90-19
Wheelbase: 58.3 inches
Rake (Caster Angle): 26.49°
Trail: 107.3mm (4.22 inches)
Seat Height: 37.1 inches
Ground Clearance: 13.3 inches
Dry Weight: 213 pounds
Fuel Capacity: 2.0 gallons

  • 317

    TT Silver Member

506 posts
Location: Idaho
Garage View Garage

Posted October 11, 2006 - 02:25 PM


2005

NEW FOR 2005:
  • New cylinder design features RC exhaust valve housed in removable case for improved sealing.
  • New precision-cut stainless steel cylinder base gasket and revised port timing .
  • New cylinder head combustion chamber shape.
  • New one-piece exhaust valve for improved sealing.
  • New piston dome shape.
  • New piston features single keystone piston ring for reduced friction and improved sealing.
  • New crankshaft design.
  • New crankcase with redesigned intake port for smoother air flow and increased journal thickness to decrease crank deflection.
  • New six-petal reed valve with narrower profile.
  • New reed valve mounting angle.
  • New carburetor settings.
  • New shift fork shaft, shift forks and shift drum.
  • New ECU mapping and RC valve control settings.
  • New exhaust pipe shape has increased volume.
  • Thicker radiator core (from 24mm to 28mm) improves cooling capacity.
  • New front axle placement for improved fork action and turning.
  • New swingarm features a dual-axis, double-taper design with a large cast aluminum cross member that is lighter weight and stronger.
  • New rear hub is stronger and lighter.
  • New rear shock valving for improved bump absorption.

ENGINE:
  • New exhaust header and expansion chamber.

CHASSIS / SUSPENSION:
  • Revised suspension settings.

SPECIFICATIONS:
Model: CR250R
Engine Type: 249cc liquid-cooled single-cylinder two-stroke with electronically controlled RC valve
Bore And Stroke: 66.4mm x 72mm
Compression Ratio: 8.5:1
Induction: Six-petal crankcase reed-valve
Carburetion: 38mm Mikuni TMX flat-slide with throttle position sensor (TPS)
Ignition: CD with three-dimensional mapping and electronic advance
Transmission: Close-ratio five-speed
Final Drive: #520 chain; 13T/48T
Suspension Front: 47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability; 12.4 inches travel
Suspension Rear: Pro-Link Showa single shock with spring preload, 17-position rebound damping adjustability, and compression damping adjustment separated into low-speed (13 positions) and high-speed (3.5 turns); 12.6 inches travel
Brakes Front: Single 240mm disc with twin-piston caliper
Brakes Rear: Single 240mm disc
Tires Front: 80/100-21
Tires Rear: 110/90-19
Wheelbase: 58.3 inches
Rake (Caster Angle): 26.50 °
Trail: 109.8mm (4.32 inches)
Seat Height: 37.1 inches
Ground Clearance: 13.3 inches
Dry Weight: 213 pounds
Fuel Capacity: 2.0 gallons

  • 317

    TT Silver Member

506 posts
Location: Idaho
Garage View Garage

Posted October 11, 2006 - 02:26 PM


2006

NEW FOR 2006:

ENGINE:
  • Reed valve mounting angle to maximize charge flow.


SPECIFICATIONS:
Model: CR250R
Engine Type: 249cc liquid-cooled single-cylinder two-stroke with electronically controlled RC valve
Bore And Stroke: 66.4mm x 72mm
Compression Ratio: 8.5:1
Induction: Six-petal crankcase reed-valve
Carburetion: 38mm Mikuni TMX flat-slide with throttle position sensor (TPS)
Ignition: CD with three-dimensional mapping and electronic advance
Transmission: Close-ratio five-speed
Final Drive: #520 chain; 13T/48T
Suspension Front: 47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability; 12.4 inches travel
Suspension Rear: Pro-Link Showa single shock with spring preload, 17-position rebound damping adjustability, and compression damping adjustment separated into low-speed (13 positions) and high-speed (3.5 turns); 12.6 inches travel
Brakes Front: Single 240mm disc with twin-piston caliper
Brakes Rear: Single 240mm disc
Tires Front: 80/100-21
Tires Rear: 110/90-19
Wheelbase: 58.3 inches
Rake (Caster Angle): 26.50°
Trail: 109.8mm (4.32 inches)
Seat Height: 37.1 inches
Ground Clearance: 13.3 inches
Dry Weight: 213 pounds
Fuel Capacity: 2.0 gallons

  • punkrock MX

    TT Titanium Member

2,931 posts
Location: New Jersey

Posted October 11, 2006 - 05:23 PM


retro-cool :devil:

  • skipn8r

    Get Help Now

5,166 posts
Location: New Mexico

Posted October 11, 2006 - 06:50 PM


That's cool :devil: .

  • BrettJ

    TT Bronze Member

402 posts
Location: Australia

Posted October 11, 2006 - 10:57 PM


Sticky please! Also add years before 96 like 89 onwards

  • motox262000

    TT Gold Member

1,270 posts
Location: Ohio

Posted October 13, 2006 - 08:06 AM


Hey thanx man, that's nice to have up. :devil:


How does your CR265 run? That is one kick arse bike you have. :thumbsdn:

  • MUSTANGCOBRA1353

    TT Silver Member

673 posts
Location: Maryland

Posted October 16, 2006 - 09:05 AM


Sticky this Sticky this Sticky this Sticky this Sticky this Sticky this Sticky this Sticky this Sticky this Sticky this Sticky this Sticky this Sticky this Sticky this Sticky this Sticky this Sticky this Sticky this Sticky this Sticky this

  • bubba68

    TT Newbie

16 posts
Location: Georgia

Posted October 17, 2006 - 06:40 PM


what about 94-97????

  • 317

    TT Silver Member

506 posts
Location: Idaho
Garage View Garage

Posted October 18, 2006 - 08:16 AM


Also add years before 96 like 89 onwards


and

what about 94-97????


Sorry guys, it took me long enough to do those years! Maybe if I have time in the future, but I don't see that happening any time soon.

  • MUSTANGCOBRA1353

    TT Silver Member

673 posts
Location: Maryland

Posted October 19, 2006 - 05:42 AM


No sticky; bump

  • Dr250_rider

    TT Bronze Member

351 posts
Location: California

Posted May 05, 2007 - 11:05 PM


This is reallly cool. can i ask were u got the information?

  • Crazyced

    Get Help Now

7,574 posts
Location: Ontario

Posted May 07, 2007 - 05:31 AM


That's odd, I thought 2006 was BNG for the CRs. :applause:

  • 317

    TT Silver Member

506 posts
Location: Idaho
Garage View Garage

Posted May 07, 2007 - 11:50 AM


This is reallly cool. can i ask were u got the information?


Honda





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