kingtut
Expert
Did a compression test on the apex and got 30psi on cylinder 1, 2, and , 4 and 120psi on cylinder 3. This to me seems like an intake/ exhaust valve problem. I assume I just have to pull the head off and soak it with some carb cleaner and put it back together.
Anything I should know before taking off the cams and head?
Anything I should know before taking off the cams and head?
KnappAttack
24X ISR World Drag Racing Champion
- Joined
- Feb 19, 2004
- Messages
- 4,673
- Location
- Welch MN
- Country
- USA
- Snowmobile
- 2023 Sidewinder LTX-LE
2017 Sidewinder LTX-LE
They corrode up over the summer when not run. See it every summer with the Apex engine. It should come back to life if this is what it is after running it hard, seems it always takes a tank or two of fuel before it's back making RPM and good power again.
kingtut
Expert
It's been a long journey. The sled hasn't run in 3 years. Last time it ran I had a quarter size hole in the exhaust before the turbo. I'm assuming I ran way too rich, the. I proceeded to shut the sled off and let it sit for a long time. Attached is a pic of one of the intake valves. It's pretty rusty, is this passable? How could I get the sled started without taking this head off. It looks like a huge pain in the groin area.
