compression 1977 115hp

[freemotocr250]

what should be a good compression psi on a 1977 115hp inline 6

 

[Steven1962]

Re: compression 1977 115hp

Your compression numbers do not realy matter, what matter is that they are all close to the same. If you have more than a 10-15% diffrence then you have troubles.

 

[freemotocr250]

Re: compression 1977 115hp

what are good numbers though

 

[Steven1962]

Re: compression 1977 115hp

Every pressure gauge is diffrent every person does it a little diffrent The numbers do not matter. what matters is that they are close, within a few PSI of each other. does not matter if you are at 80 PSI or 140 as lolng as they are all close to the same.

 

[freemotocr250]

Re: compression 1977 115hp

ok thanks what is a good way to to the test, undo the plug wires and do one plug at a time, an crrank the motor over a few times?

 

[JB]

Re: compression 1977 115hp

Remove all plugs. Leave ignition off and turn her over at least 5 times on each cylinder with a jumper or remote start switch across the solenoid.