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Old 04-22-2011, 09:31 PM   #33
Brtp4 OP
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Joined: Sep 2006
Location: Bend, OR
Oddometer: 1,975
Breathing Part 2

One of the disadvantages of older 4 strokes is poor throttle response. Newer bikes have light flywheels, and carbs with accelerator pumps, and the extra snap helps immensely.

I was thinking about a Keihin FCR 35 and Sudco listed a kit for the XR. So I ordered it up.

Side by side with the stocker:



Bend, OR

Brtp4 screwed with this post 10-03-2014 at 10:18 PM
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