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kx450f cams

10611 Views 5 Replies 5 Participants Last post by  masterp0606
I am going to put the dirt bike cams in my kfx but i have a few ?s first and wondered if anyone could help me out. Do i have to advance or retard the timing on either bike cam or can i use the regular timeing marks and will I have to change my valve clearances? If anyone no's of anything else ill have to do when i make the mod then please let me no. Thanx
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Quad. always use the kfx450(quad) settings. do NOT advance or retard the timing, first, bring the piston to the top-dead-center of its compression stroke to inspect the valve clearance (the position at the end of the compression stroke) just aline the TDC mark to groove in the inspection hole, as per service manual of the quad, (kfx450) page#2-21
useing the valve clearence of the kfx450(quad)

Valve clearance: between cam and valve lifter
Exhaust 0.17 to 0.22mm or (0.0067 to 0.0087in)
Intake 0.10 to 0.15mm or (0.0039 to 0.0059in)

if the valve clearance is not within the specified range, adjust it, by changing shims.

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