fisherman15
Recruit
- Joined
- Jun 28, 2016
- Messages
- 3
i have just aqquired a johnson 20hp 1967, that has been sitting in the back of a garage for 10yrs, it pulls over well has got good sparks on both cylinders, but when i try to start it all it does is trys to start and konks out straight away, and when trying to start it it backfires on me, i have changed the leads around but still does it , could it be carb thanx