540 SRV snowmobile motor
I noticed last
season a clean area on the case which indicated a case
This test proved
Sealing the intake ports
(bicycle tire inner tube material)
Sealing the exhaust ports
Motor - compressed air connected to the pulse line
Notice the air bubbles / clean portion to the bottom left of the
These are soap bubbles caused by a seal leak.
On the intake side a second leak was found - circled in green
The power take off seal looks good - no bubbles.
I'll not bother testing the magneto seal right now - both seals will be
replaced anyway. They'll be tested after replacement.
M1V, 990KB, 8 sec