RE: compression

81 Yamaha XJ 750 Seca discussion forum:


RE: compression

RE: compression 
Jeremy said 2005-09-07 01:38 
 
I´ve done some more research and haven´t found anything but the UKs specs. These are what I´ve used and it seams too be fine. Well now that I put an new head gasket on! Use these as a guide line.
cylinder compression (at sea level)
Standard 156psi (11.0 kg cm2)
minimum 128psi (9.0 kg cm2)
Maximum 171psi (12.0 kg cm2)
Max Difference between cylinders 14psi( (1.0 kg cm2) 
 
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