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Related Garage

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Kawasaki KLR650 (2008)


Owner: b1pig
Added on September 15, 2014
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KLR 650 Mods... Jetting, Air Box, Exhaust


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33 replies to this topic
  • MainLine

    TT Member

25 posts
Location: California

Posted April 12, 2005 - 09:41 PM


Hello,
Looking to get a little more umph out of my KLR. Considering Carb jetting, airbox mods & air filters (uni vs. K&N?) and exhaust. I changed out the front sprocket to a 16 tooth to get some more top end and it made a huge difference but now i need some more power captain! Does anyone have any thoughts on the jetting, air box & filter and the exhaust? Not looking to spend a fortune on a laser or big gun etc... the SuperTrapp seems reasonably priced though?
thanks for your thoughts,
biGjOhn
a.k.a. MainLine
a.k.a. SuavGato

  • Sabre

    TT Member

43 posts
Location: Washington

Posted April 12, 2005 - 10:47 PM


Maybe not what you're wanting to hear...Kawasaki sells the KLR with about as much power as you're going to get. Other than some minor carb tweaks to enrichen the overly-lean mixture, you will find that virtually all owners admit that there just aren't any reserve ponies in the old girl. It's a 20-year-old design, tried and true and reliable as hell, but if you're looking for a bunch of power, it's not the bike to choose.

Search the archives here and on KLR sites and you'll see for yourself. No doubt though, it's a fantastic machine with a huge worldwide cult of loyal followers (many of whom also own other bikes to satisfy their speed/power needs!).

  • tenntomatohead

    TT Member

31 posts
Location: Tennessee

Posted April 13, 2005 - 06:43 AM


I have a 650 and I got the supertrapp muffler and pipe, took out the baffles, loud but seems to have some more performance. I am interested to find out about the sprocket change. I want to go to the 16 in front and drop 2 teeth in the rear. Give me some input.

  • MainLine

    TT Member

25 posts
Location: California

Posted April 13, 2005 - 05:36 PM


So...
...not really too much more that I can get out of her huh? that's a little disappointing but I still love the ride. Anyone know about how much more there is to get out of it with jetting, airBox / filter mods and aft. mkt. muffler? is it not even worth it?
thanks,

  • Pro_Marinero

    TT Silver Member

848 posts
Location: Washington

Posted April 13, 2005 - 10:36 PM


http://www.thumperta...ad.php?t=243490

Improved pull throughout the band

  • manitoujoe

    TT Newbie

23 posts
Location: Colorado

Posted August 31, 2005 - 07:46 AM


I exchanged the 15 tooth sprocket up front with a 16 and the higher gear ratio is just what I wanted on pavement. Now I'm turning 5Krpm at 80mph instead of turning nearly 6K and wishing I had another gear! :D
If you go one tooth extra up front and two less in the back, you will have a very much higher gear ratio with much less "jump" :D in first gear.
Good luck,
Joe :D

  • velosapiens

    Get Help Now

5,280 posts
Location: Idaho

Posted August 31, 2005 - 09:03 AM


i put a supertrapp on mine. by the time i got back from lapaz the noise was bugging the crap out of me so i sold it and put the stocker back on. i was not overly impressed with the quality of the supertrapp unit either.

  • JMC

    TT Silver Member

535 posts
Location: Michigan

Posted August 31, 2005 - 07:20 PM


Where did you guys get a 16 tooth gear? My dealer says he can't find one.

  • bigfatgreenbike

    TT Bronze Member

221 posts
Location: New York

Posted September 05, 2005 - 06:28 AM


Sunstar makes one. Sprocket Specialists makes one. My experience was that dealers know nothing about the huge aftermarket for the KLR.

Try here (check out the site then call. Don't order online as you miss out on free advice/ tips, all these folks are good about answering questions)

arrowheadmotorsports.com
dual-star.com
happy-trail.com

Devon

  • manitoujoe

    TT Newbie

23 posts
Location: Colorado

Posted September 18, 2005 - 11:08 AM


I did a "buy it now" on a set of new case-hardend sprockets and X-Ring chain (added one tooth to the drive sprocket) from a terrific seller on eBay. Great communications, great price, terrific service, and fast shipping! Couldn't be happier with the "kit"! You might want to check out my "garage" for additional info.

Here is what old "dirtparts" (Greg Herpin) has to say about the "kit" which he sells for $87.99 plus $8.00 S&H via his eBay store:

"This "buy it now" is for a complete RK Chain Kit for your KLR650. This kit includes the highest quality chain and sprockets available today. Kit Includes a RK 520 XSO X-ring chain for maximum durability and ultimate strength. X-ring technology insures the least amount of chain stretch and maximum oiling protection. Rk chains also offers a one year warranty against breaking and stretching, what other manufacture offers that?? Kit also includes both front and rear case hardened steel sprockets, so you can stop changing your sprockets like your underwear! This auction is for standard gearing, other gearing options available please email with needs. DON'T BE FOOLED BY OTHER AUCTIONS OFFERING NO NAME CHAIN AND SPROCKETS!!!!"

Trust me, Greg ain't lying! :banghead:
It is a great kit for a great price.
Here is Greg's email address!
Greg Herpin <dirtparts@yahoo.com>
He answered every one of my emails quickly and he knew what I needed before I did plus he takes PayPal credit cards which was a plus for me.
:applause: safe man!

  • lmi675

    TT Newbie

4 posts
Location: Florida

Posted September 26, 2005 - 02:09 PM


I want a quiet aftermarket pipe and looked at the SuperTrapp IDS2 Quiet Series. Was yours the IDS2? So far I like the FMF Q Series the best though. Just can't find anyone who's had experience or encounters with either. I would appreciate your opinion. (95 KLR650)

  • north88

    TT Newbie

9 posts
Location: Alberta

Posted April 06, 2008 - 07:51 AM


I've got an 07 KLR650 with the folowing:Air box opened up with snorkle removed,Supertrapp IDS2 Slip on exhaust(no discs installed I like the sound),dynojet kit is installed but with the following:clip on middle groove of needle,stock(148)main jet,slide drilled to 7/64ths,pilot screw at 2.75 turns out....this is at 2300ft altitude the bike has way more bottom end and runs perfect..patmanracing.com is were I got some info at.

  • north88

    TT Newbie

9 posts
Location: Alberta

Posted April 06, 2008 - 07:56 AM


I've installed the Supertrapp IDS2 it's quiet with the minimum 4 dics installed....too quiet for me (not much over stock)so I run it with all the (12) discs.
Watch when you install it, put spacers in to keep it away from rear fender or it will melt, but overall it installs very easy

  • Dirty Don

    TT Newbie

7 posts
Location: Arizona

Posted June 05, 2008 - 09:00 PM


i just picked up my 08 klr last saturday ive put 400 miles on so far i live in tucson should i richen the mixture with out changing the exhaust i does seem like it needs another gear on the highway but it also seams alittle bogging in the dirt my last bike was dirt only drz400e with a t1 pipe wich was great in the dirt but not freeway rideable i planing a 1000 mile weekend round trip in september is there any mods i should do too the klr before that big of a trip
THank You Dirty Don

  • Ducati0551

    TT Newbie

2 posts
Location: Florida

Posted June 07, 2008 - 02:59 PM


I bought my 2008 Red KLR 650 in Nov 07 still only has 229 miles on it.. I went in today and ordered a Big-gun Evo X complete exhaust system, K&N air filter, and FMF stage II jet kit.. I am looking to see if anyone has any advice on this set up I am trying..? I am aware of the airbox modification.. Thanks..

  • Inquisitive

    TT Newbie

5 posts
Location: Other

Posted June 15, 2008 - 10:56 PM


i just picked up my 08 klr last saturday ive put 400 miles on so far i live in tucson should i richen the mixture with out changing the exhaust i does seem like it needs another gear on the highway but it also seams alittle bogging in the dirt my last bike was dirt only drz400e with a t1 pipe wich was great in the dirt but not freeway rideable i planing a 1000 mile weekend round trip in september is there any mods i should do too the klr before that big of a trip
THank You Dirty Don


Dirty Don, I recently rode 1162 miles in eighteen hours, then a few days later the same back, though in nineteen hours. Not exactly my idea of fun, more out of necessity / practicality. All of my traveling was I-5 from Seattle to Anaheim and back. I would highly suggest you add a throttle lock! I did, saved my arm for sure! I also had 70 pounds of gear with me, all secured / supported from the factory 22 pound rated cargo rack... If you will be traveling "fast" I would suggest checking your oil at every stop. My 08 used 3.5 quarts round trip. 1.5 of 10W-40 and 2 of 20W-50. Admittedly I was traveling well above the speed limit, and for extended periods of time (one leg of the trip went 100mph for an hour, got 30.5mpg that leg of the trip).

  • Old_Man_Time

    TT Addict

3,721 posts
Location: Washington

Posted June 16, 2008 - 03:01 PM


Hello,
Looking to get a little more umph out of my KLR. Considering Carb jetting, airbox mods & air filters (uni vs. K&N?) and exhaust. I changed out the front sprocket to a 16 tooth to get some more top end and it made a huge difference but now i need some more power captain! Does anyone have any thoughts on the jetting, air box & filter and the exhaust? Not looking to spend a fortune on a laser or big gun etc... the SuperTrapp seems reasonably priced though?
thanks for your thoughts,
biGjOhn
a.k.a. MainLine
a.k.a. SuavGato


Try this link out. They review a couple of pipes for the KLR650 and claim that they do improve the bikes performance.

http://klrworld.com/...d=97&Itemid=137

  • Piveteau

    TT Newbie

8 posts
Location: Texas

Posted June 17, 2008 - 07:11 PM


I just got thru doing the Airbox Mods(pulled snorkel, Uni filter) drilled the slide, shimmed the needle, and adjusted screw out on the bottom. My muffler is a John Deere replacement from Tractor Supply. Got a local muffler shop to build me a mid pipe, it fits and breathes great.

  • guns_equal_freedom

    TT Silver Member

697 posts
Location: Washington

Posted June 17, 2008 - 09:16 PM


I've installed the Supertrapp IDS2 it's quiet with the minimum 4 dics installed....too quiet for me (not much over stock)so I run it with all the (12) discs.



Do you have the quiet or the race core?

  • dtrides

    TT Newbie

4 posts
Location: California

Posted August 18, 2008 - 07:55 PM


Check out the FMF Q2 pipe. Much quiter than W/B E-2 pipe although maybe a little less top end.





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