1999 Johnson V6 150 looper

[awe1979]

I am thinking of buying this motor the compresion readings are

90 87
90 90
89 90
Is this good. I thought they needed more that 100 psi?

 

[Dhadley]

Re: 1999 Johnson V6 150 looper

You're good to go. Don't worry about the actual number, just the difference. Should be a great motor, a used one for sale is a bit rare.

 

[jonesg]

Re: 1999 Johnson V6 150 looper

I am thinking of buying this motor the compresion readings are

90 87
90 90
89 90
Is this good. I thought they needed more that 100 psi?

I have a 94 V6 looper, readings are similar and they're good, the service manual doesn't quote any compression numbers but 90 is fine on these, they designed it that way.