stock sj compression??

[km550123]

does any one know the compression for a stock 650 superjet?
1990

 

[The Timmer]

well the 701 is 150 both cylinders so id assume around there and as long as your within 5 percent on each cylinder you should be fine

 

[The Timmer]

i just did a thread search for you it should be in the oem yamaha repair book says 134 each cylinder but remember guages can read different depending on age,brand, and quality

 

[km550123]

thanks