Leak Test Issue

[fischer550]

Put new OEM crank seals in my motor, ran leakdown test with a mikuni popoff tester.

There is an airleak. I pump to 5 psi, all air leaves motor very slowly, all air gone in about 5 mins (so about 1psi per minute leak)

I checked every inch of the motor with soapy water, and zero luck finding it. It is not the crank seals, not the head, cases, exhaust, intake, nothing that I could see anyhow.

Is this motor ok to run? Any advice?

 

[fischer550]

Found my leak! I had the exhaust plate on the wrong direction, lol. Holds pressure now!

 

[thesk8nmidget]

i know you found your issue but another common problem can be the gauge itself leaking and usually people dont think to put soapy water on their gauge.

 

[Ochocoronas]

AH.....testing the test tools!

 

[fischer550]

Ya I tested my pump on a capped fuel line to check for pump leaks