spray the seal with carb clean while idling, if the idle changes you know the seal is bad.
That will only test the clutch side, you need to pressurize the engine ands see if you loose pressure to check the mag sidespray the seal with carb clean while idling, if the idle changes you know the seal is bad.[/b]
what about if you took off the starter ,cooling fan and then sprayed behind the mag would this workThat will only test the clutch side, you need to pressurize the engine ands see if you loose pressure to check the mag side[/b]