First Post chain drive to shaft drive

so valve lash is 004 to .008. Double checked and It's .004-.008. Not great but will that make the compression bad also?

sKZballs wrote:

so valve lash is 004 to .008. Double checked and It's .004-.008. Not great but will that make the compression bad also?

It won't help but I doubt that alone is giving such low readings (you need around 100psi for combustion to occur cleanly) what shape is your battery in ? it needs to spin the motor effectively to build pressure - also where you holding the throttle wide open when testing ?

Just in case you have not already done this, please read and memorize everything on Lou's website, then download it all, and maybe print it all just in case.

s3.amazonaws.com/gpzweb/CamsKZZXZR550500...KZZXZR550500400.html

It wa a new battery with throttle closed.  I let it crank a long while to reach it's peak pressure. 

Texas, I will recheck my lash using those procedures and see what I have.  Thank you

Compression should be checked with a hot engine and throttle wide open.