tube
Veteran
I'm curious , how does oil affect compression ratings?Yep that not bad but i found out penzoil had better compression ratings than mobil 1
sideswipe77
Expert
- Joined
- Nov 7, 2014
- Messages
- 241
- Age
- 54
- Location
- Michigan
- Country
- USA
- Snowmobile
- 2012 Yamaha apex se
2011 Yamaha apex se
When oil is fresh it works good but after time it breaks down. You get the pressure in the cylinder trying to keep piston rings to hold up on these high revving engines.