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Discussion Starter · #1 ·
ok guys i was new to adjusting the valves on the raptor and i followed the DIY write up and after everything was done I put the valve covers back on and reinstalled the gas tank and fired it up. Some reason the motor sounds noisy when I started it up. The valves were really tight so I loosen them up to around .012 intake and .018 on the exhaust side. Im going to go back and recheck them today. Any input would be helpful thanks.
 

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The UK's fastest Raptor
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hello bud,

looks like you might be a little out on your clearances.

Manuals says:

intake 0.09 - 0.13mm (0.0035 - 0.0051 ins)
exhaust 0.16 - 0.20mm (0.0063 - 0.0079 ins)

Ez
 

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Looks like maybe you got the inch dimensions mixed with the metric. You are in the range for metric but those are .12 & .18 MM, I bet you set them in INCH. That is easy to do, don't ask how I know.
 

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Discussion Starter · #4 ·
damn. I think was reading metric. I can't believe i would of done that..ok thanks very much ill recheck it.. and let you know what happens.
 
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