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Old July 23rd, 2019, 03:18 PM   #3
59096
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Name: Garry
Location: Bungendore Australia
Join Date: Jan 2019

Motorcycle(s): GPX250 1989 model and 1990 model

Posts: 98
Quote:
Originally Posted by DannoXYZ View Post
Were those two valves on same cylinder?

Most likely whoever did adjustment didn’t have cam rotated to fully closed position when they measured clearance.
They were both the inside inlet valves on each cylinder (one inlet valve on each cylinder) so if the outside inlet valves were at the correct clearance (which they were) the cams should have been set up OK? I’m wondering if he got confused and used a 0.013” feeler thinking it was a 0.13mm (0.004”) one? Again why on only these two valves?

It got me worried so I rechecked my adjustment again this morning just to be sure I didn’t do something stupid but all OK with all exhausts at 0.005” and all inlets at 0.004”
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