Betik
Jetboaters Admiral
- Messages
- 3,723
- Reaction score
- 4,432
- Points
- 352
- Location
- Frisco, TX
- Boat Make
- Yamaha
- Year
- 2012
- Boat Model
- SX
- Boat Length
- 24
I was doing end of the season maintenance today on 2015 MR1 ( non HO) engine that has 74 hours on it.
The spark plug gaps were 0.7 for all of the plugs and the compression was
Cylinder 1 at 120
Cylinder 2 at 120
Cylinder 3 at 115
Cylinder 4 at 120
So that I believe is all good, but when I decided to stick scope down the spark-plug hole, I started to get a bit concerned. It could all be poor image quality and wrong angle on the light, but I don't have much room there to wiggle around anyway.
Should I be worried ?
The spark plug gaps were 0.7 for all of the plugs and the compression was
Cylinder 1 at 120
Cylinder 2 at 120
Cylinder 3 at 115
Cylinder 4 at 120
So that I believe is all good, but when I decided to stick scope down the spark-plug hole, I started to get a bit concerned. It could all be poor image quality and wrong angle on the light, but I don't have much room there to wiggle around anyway.
Should I be worried ?
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