John McFarlane
Petty Officer 2nd Class
- Joined
- Jan 14, 2005
- Messages
- 116
I have a 2.5hp Yammy 4 str I use for trolling and an emergency motor on a 14foot Savage Envoy, but most of the time it is spent chugging the boat along at 3kph.<br />Should I run the next hotter plug? They seem to foul after a couple of hours use.<br />And at what gap please.