what horsepower should an '88 xr 600 have?

i just bought a n xr 600 that was plated in California. it was fun until the crankshaft stripped at the sprocket on the first day and now i get to weld and grind on it. it is stock other than a supertrap pipe. it has plenty of power so i am just curious. What is the stock gearing for this bike. i have a 50 tooth in the rear and about 70mph it is pretty done.

HP all depends on what mods the engine has and what kind of shape its in, i would get your bike mechanically sound and just enjoy it, if its not enough HP then time to mod it up GL n welcome to TT

more tham most humans will ever need

True that.

prolly high 30s between 35-39 maybe?

The manual for my '83 says it's got 43 bhp...I don't know how that translates into actual horsepower...

But even stock and with me weighing 260 lbs. it's a torque monster, haven't even felt the need to add to the hp figure...

Ive got an 89' and here is a 91's stats. We have Nickasil cyls.

Mine is built and I run with a XR650R. Not as fast, but pretty close!!!

Engine and transmission (91 XR600R)

Displacement: 591.00 ccm (36.06 cubic inches)

Engine type: Single cylinder

Stroke: 4

Power: 27.00 HP (19.7 kW)) @ 5800 RPM

Compression: 9.0:1

Bore x stroke: 97.0 x 80.0 mm (3.8 x 3.1 inches)

Valves per cylinder: 4

Fuel control: OHC

Cooling system: Air

Gearbox: 5-speed

Transmission type

final drive: Chain

More details Consult a Honda repair manual.

Physical measures

Weight incl. oil, gas, etc: 139.0 kg (306.4 pounds)

Chassis and dimensions

Front tyre dimensions: 90/90-21

Rear tyre dimensions: 120/80-18

Front brakes: Single disc

Rear brakes: Single disc

Speed and acceleration

Top speed: 110.0 km/h (68.4 mph)

Other specifications

Fuel capacity: 10.00 litres (2.64 gallons)

How much power ? = enough to get into trouble with.

Ive got an 89' and here is a 91's stats. We have Nickasil cyls.

Power: 27.00 HP (19.7 kW)) @ 5800 RPM

Top speed: 110.0 km/h (68.4 mph)

Something doesn't look right...

Then again I have a 1988 factory Honda service manual on .pdf and it lists the "dry weight" as 26.5lbs and the "curb weight" as 287.5lbs. It must have a huge gas tank.

"O"

Just looking at my Honda service manual 88-91

dry weight 88-90= 262lbs

91-on= 269lbs

Everything else , but no hp rating!! Got those other stats online for the 91

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