How should I shim my kx250f

7/11/2017 4:00pm
Okay so my both exhaust clearences are 0.010 and are supposed to be 0.017-0.022 and the shims are 300 so what shims for exhaust? and the intake clearence is 0.06 on both and supposed to be 0.010-0.015 and shims are 290 so what shims should I put on there?
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rmoto003
Posts
926
Joined
2/26/2017
Location
Gulf Shores, AL US
7/11/2017 5:17pm
The shims being "290" and "300" sound like they are in mm

3.00 mm = 0.118"

2.90 mm = 0.114"

So by my intense calculations, sounds like you need

Exhaust - 275 (2.75 mm or 0.108")

Intake - 405 (4.05 mm or 0.160")




Although are you sure your intake clearance is 0.060" and not 0.006"?
Radfonz
Posts
145
Joined
1/6/2012
Location
AU
7/12/2017 4:33am
Put the 290 shims in the exhausts
And get 280 for the inlets

The Shop

Paw Paw
Posts
679
Joined
12/24/2011
Location
Benton, LA US
7/27/2017 1:28pm
What is you current valve clearances with the new shims?
Also see your other post.

Paw Paw

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