Just Did the "L" & .22 cent Mods - Kawasaki KLR 650 Forum
1987 to 2007 Wrenching & Mods For maintaining, repair or modifications of Generation 1 KLR's. 2007 and earlier.

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post #1 of 55 Old 05-31-2009, 01:39 AM Thread Starter
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Just Did the "L" & .22 cent Mods

I have been meaning to do these , but just never got around to them. I have to say they are just as advertised. First of all the KLR is a very difficult bike to work on, very tight spaces and nothing is easy to get to. But I just took my time and was able to move things around and get where I needed to be. The "L" mod was easy, just cut an L shape in the top of the airbox. The .22 cent however was not as quick and easy. The carb is in there very tight, but I managed to loosen it and rotate it where it needed to be for the work. The diaphragm was luckily easy to get back in with really no extra effort, the mixture screw was a little more diffucult to get to, but I did. Once everything is off and where you want them to be, it goes pretty fast.
After I finished and buttoned everything up, i fired the bike up and went for a little cruise around the neighborhood. First thing I noticed, the response does not seem any quicker, but is is much more effective. Meaning the bike really wants to move and does it much better, no more sluggish acceleration. The thing that surprised me the most was how easy the front end came off the ground in 1st gear, really with very little effort, unlike before, where it took a great deal of effort to raise the front end. I like that alot, thats what a big single sho to do, with out really trying. It is noticibly louder, not obnoxious loud, but noticible. I turned down the idle a bit, it was idleing a little high, but that was expected. I will go out tomorrow and really see how it does in other areas, but my first impression is there is a difference, and it is very noticible. I have heard others give some pretty high raves to the mods, and they are not earth-shattering, but they are definately worth while. You will notice a substantial difference at first twist of the throttle, no doubt. You won't be throwing it up in all 5 gears, but 1st easily, 2nd maybe, 3rd nope, sorry.
Go ahead and do it, it's cheap, not to difficult, and is worth it for sure.
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post #2 of 55 Old 05-31-2009, 08:14 PM
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Did you drill the slide?
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post #3 of 55 Old 05-31-2009, 10:19 PM Thread Starter
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Originally Posted by BIGIRON View Post
Did you drill the slide?
Yes I did, did I forget to say that?
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post #4 of 55 Old 06-01-2009, 05:11 PM Thread Starter
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.22 Mod **UPDATE**

Went for a ride today and yesterday afternoon and I just wanted to add acouple of things. First, the mid range power has a marked improvement. 3500 to 4000 RPM's is the biggest improvement I noticed, it really starts to pull hard in that range, big PLUS. Second the improvement from a dead stop is even better that i first thought. When I had a chance to stop and go many times, there is definately a big difference. The lugging has all but stopped, and the pinging on acceleration has also stopped. I got to say do these mods if you have not already done so, the more I ride it the more I notice things that have improved. High speed riding on the freeway has improved as well, the bike responds to a twist of th throttle with good acceleration, no more flat spots, just a smooth nice pull throughout the RPM range. Roll-off acceleration is better also, now there is not so much of a struggle for power, just a nice steady pull across the RPM range. I really can't believe the what a big difference such a small change has made in this bike. I am sure MPG's will suffer, but I average 50 MPG, and if I am in the mid to low 40's that is good, it is still beats the 15 my truck gets around town. I'm gonna keep track of the MPG and update when I have a couple of fill-ups.
I'm not big on making recommendations, but these are two that you should without question do. Now I have done the .22 mod, the "L" mod, and the PCV mod, so I really can't say if it is a combination of the 3 or if it is just one or the other. So I guess do all 3 and you should get similiar results, I hope.
I also posted earlier that I put Pro-Taper ATV Hi bars on, I would recommend that as well, very comfortable, and a bit wider for stability. With the wider bars the handleing on the freeway is much more stable. I've had a lot of fun the past couple of days tinkering with the bike,the small changes have really made this one fun bike to ride all over again.
I added an Okie riser to my bars last night and brought them up about an inch, I have found the sweet spot for me. The ATV Hi bars and the small riser is the perfect height, feels as though I could ride all day long without arm and shoulder fatigue.

I have an exhaust, front SM fender, KLX Needle, lowering links, mini dash, new chain, front & rear sprockets, and a few other cosmetic items that should arrive this week. I can't wait to get this bike finished, it looks great now, but I have a few color scheme changes I am going to make that if the picture in my head is accurate, should look great. I am going with black front and rear fenders, radiator covers are going to be black, and I am going to re-paint the fairing, and side covers red to fix the sun faded current color. This red is a bit brighter, or maybe it is what they looked like originally, but slowly faded out. I also put mini stalk turn signals on the front and rear, and really like the streamlined look, they look much better than stock.
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post #5 of 55 Old 06-01-2009, 06:49 PM
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I agree about the L and carb mods. Confused on one point...you just did the .22 cent, but you're going to put a KLX needle in? Or did I miss something.

At any rate. I have a KLX needle in my 08, did the L mod. I agree. Wouldn't undo it for anything.




"In a car you're always in a compartment, and because you're used to it you don't realize that through that car window everything you see is just more TV." R. Pirsig

PPMC #1.
Soon, we ride.

AKA JD Mader or you can call me "Dan" just not early for dinner.

Click my handle for a link to my homepage/blog...which has nothing to do with MCs. Free literature and music! Viva La Revolucion!
-------------------
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post #6 of 55 Old 06-01-2009, 07:34 PM Thread Starter
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Quote:
Originally Posted by Lockjaw View Post
I agree about the L and carb mods. Confused on one point...you just did the .22 cent, but you're going to put a KLX needle in? Or did I miss something.

At any rate. I have a KLX needle in my 08, did the L mod. I agree. Wouldn't undo it for anything.
The KLX needle was recommended for the Supertrapp Exhaust I bought, due to the taper, it is said to give a little better performance. I'll wait until I get the exhaust and tune it from there. The .22 Mod may be enough, but I had bought the needle before doing the .22 mod.
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post #7 of 55 Old 06-01-2009, 07:40 PM
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Gotcha. You should put the KLX needle in IMHO. It's nice.




"In a car you're always in a compartment, and because you're used to it you don't realize that through that car window everything you see is just more TV." R. Pirsig

PPMC #1.
Soon, we ride.

AKA JD Mader or you can call me "Dan" just not early for dinner.

Click my handle for a link to my homepage/blog...which has nothing to do with MCs. Free literature and music! Viva La Revolucion!
-------------------
2008 KLR 650
RIP DM - Soon, we ride.
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post #8 of 55 Old 06-01-2009, 08:08 PM Thread Starter
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Quote:
Originally Posted by Lockjaw View Post
Gotcha. You should put the KLX needle in IMHO. It's nice.
Are you running an after market exhaust? or the stocker and the carb mod?
I have heard from many that the KLX needle is one of the best performance enhancements for the stock carb. But I had also heard so many rave about the .22 mod that I just had to try it. I guess the worst case is I get a KLX needle for my carb.
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post #9 of 55 Old 06-01-2009, 08:16 PM
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Yeah, you're stoking. You can choose. I bet you'll go with the KLX...it's a nice piece of metal. Makes the stock needle look cheap.

Just did the carb mod. And the airbox mods. That was as deep as I wanted to go. I kind of like the way the stock exhaust looks anyway.




"In a car you're always in a compartment, and because you're used to it you don't realize that through that car window everything you see is just more TV." R. Pirsig

PPMC #1.
Soon, we ride.

AKA JD Mader or you can call me "Dan" just not early for dinner.

Click my handle for a link to my homepage/blog...which has nothing to do with MCs. Free literature and music! Viva La Revolucion!
-------------------
2008 KLR 650
RIP DM - Soon, we ride.
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post #10 of 55 Old 06-05-2009, 11:06 AM
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Info on L and .22 mod

Just new to the board and needing some information on the L and .22 mod. Is there any other location to purchase the KLX needle than the dealer?

Thanks


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