Compression

Post by **alanworland** » Wed Oct 21, 2009 1:33 pm

Raining today - so can't finish the patio!
Been meaning to check the compression of the sidevalve for a while, just to see if anything might be amis - so today seemed a good time.
With a warm engine all cylinders measured 130/132 psi, I can't seem to find any information on the figure expected.
Has anyone got figures?

Post by **mike.perry** » Wed Oct 21, 2009 4:22 pm

The manual gives the low comp. 7.5:1 1098 as 130psi so I recon if you are getting the same out of your s/v that's OK. Can you leave rubber when you drop the clutch at 4000rpm?

Post by **alanworland** » Wed Oct 21, 2009 5:15 pm

Probably leave the gearbox!!!