kopecky58 - Kawasaki KLR 650 Forum
2008+ KLR650 Wrenching & Mod Questions For repair, maintaining or modifying discussions related to the newly updated 2008 and beyond, Generation 2 KLR650 Motorcycle.

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  • 1 Post By pdwestman
 
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post #1 of 3 Old 03-20-2017, 04:04 AM Thread Starter
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Join Date: Mar 2017
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kopecky58

Hello,

I have KLR650 year 2015 and I did carburetor modification ( 7/64 hole, #4 washer for needle). I was following instruction for new bike ( no more then 4000 RPM for fist 1500 miles etc). Now I have 3800 miles on and I am not able to go faster then 65 mph ( downhill with wind in my back), my rpm dont go over 4500. Looks like I have very little reaction to my throttle after I reach 3000 rpm.
Anybody has any idea whats wrong?

Thanks Lubos. WA
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post #2 of 3 Old 03-20-2017, 09:44 AM
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Join Date: Nov 2009
Location: Lander, Wyoming
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Yep, I do.
You pinched the rubber lip on the throttle slide valve diaphragm and created a vacuum leak, when doing the .22 mod and enlarging the vacuum air lift hole.

That is up to a$170.00 error, for OEM part# 43028-1062.
Possibly under a $100.00 for a HD Sportster 1200 equivalent part. Possibly under $20.00 for an aftermarket TwinPower Bikers Choice #482841 diaphragm only. Available thru Tucker Rocky/Bikers Choice dealers.
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pdwestman
Modify at "YOUR OWN RISK"!

Still riding my 1987 KL650-A1. 85,000+ miles & counting
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post #3 of 3 Old 03-20-2017, 12:18 PM
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Join Date: Jun 2014
Location: Western Washington
Posts: 23
Here is an Amazon listing that may work too...in the reviews someone used it on a 2011 KLR.

https://www.amazon.com/Twin-Power-Ke.../dp/B00AC5DJ7E
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