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by theshmoo
Tue Jun 20, 2006 4:07 pm
Forum: Tech Tips
Topic: YFZ 750 r compretion test readings.
Replies: 2
Views: 2153

YFZ 750 r compretion test readings.

I have just compretion tested a yzf and the readings are 1.= 70 psi 2.= 60 psi 3.= 90 psi 4.= 70 psi the bike was red line to 14k rpm by mistake now she is running really poorly and has a back fire. On all other bike I have tested i beleave you should get about 150 psi per cylnder. I do not have a l...