Thread: Valve shims
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Old January 19th, 2022, 04:39 PM   #5
Triple Jim
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Name: Jim
Location: North Carolina
Join Date: Jul 2016

Motorcycle(s): Ninja 250

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MOTM - Oct '18, Aug '17, Aug '16
Quote:
Originally Posted by shspvr View Post
The right value in the manual for 88 thru 07
Valve Clearance:
Intake 0.08 - 0.13mm (0.003-0.005 inches)
Exhaust 0.11 - 0.16mm (0.004-0.006 inches)

The right value in the manual for 08 thru 12
Valve Clearance:
Intake 0.15 - 0.24 mm (0.005 - 0.019 in.)
Exhaust 0.22 - 0.29 mm (0.009 - 0.011 in.)
The reason for the diff is the cam has a slight taper so valve bucket can rotate
This is a Ninja 300. The clearances for the 250s are not the same.

Your intake clearance for the '08 to '12 Ninja 250 should be 0.005" to 0.009" (not 0.019)
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