1979 20' ma 140 suzuki

[Blue_Heron]

Originally Posted by flyingfrizzle

I was wrong in my post earlier, I did some checking around and found this: "2005 Suzuki 140 hp - Specks: 185 psi to 242 psi with a 14 psi delta maximum between all cylinders" So I guess they are doing it some how with low octane fuel???

Interesting. Are the Suzuki 4 strokes direct injected?

The whole problem with compression is knock caused by pre-ignition, right? If you time the injection of the fuel charge so it coincides with the spark timing, you won't have pre-ignition. Maybe that's how they're doing it.

Dave