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the trouble with tappets

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This maybe a cunning plan or just plain wrong, but here goes.  I had my electronic   ignition blow up on me this last summer and this led to an awful lot setting the white dots through the rotor in the old points position, checking  for 28 B.T.D.C through the hole in  primary case , forwards then backwards. It has occurred to me since " Is this the optimum position set the tappets ? First the left hand side then wind the engine round and do the same on the other ? Or has the Christmas break got to me?  Thankyou

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... set them at TDC on the compression stroke although I'm never sure if this is always on the base circle. What you suggest would be OK for the exhaust cam but the inlet may not have left the quieting ramp.

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I have always used the "get one inlet at max lift, then adjust the other', repeat for other cylinder. Do the same for exhaust. Unless you have a fancy crank, this way you will always be on the base circle of the one you are adjusting. 

Works for me.

Regards,

George 

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.. that gives you the base circlke position. I do wonder however if manufacturer specs are at compression TDC?

 


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