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2003 Vinson valve adjustment

  
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2003 Vinson valve adjustment

 
friedmullet friedmullet
New User | Posts: 6 | Joined: 01/14
Posted: 01/12/14
05:51 PM

How do you tell if the valves are intake or exhaust?
Is the front pair of valves the exhaust and the rear pair the intake?
Does lining up the line on the generator rotor (inside the TDC plug hole) with the mark on the crankcase cover guarantee the engine is at TDC on the compression stroke? Or could it still be off by 180 degrees?
I am checking the valve adjustment because the exhaust pipe coming out of the engine is glowing red. This is visible in the daylight!  

 
mikelm14 mikelm14
Guru | Posts: 895 | Joined: 07/09
Posted: 01/17/14
04:25 PM

Exhaust valves near the exhaust and intake valves near intake.
If you line it up tdc compression stroke the rocker arms will be loose. You will be 180 degrees off if you do tdc exhaust stroke. You should be able to tell before you make it to tdc by checking the rocker arms. Here is a link, you can slow down the animation if you prefer http://www.animatedengines.com/otto.html
Sounds like your running lean.  
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