Kiwioilboiler
346 Pic Examiner
- Local time
- 4:30 PM
- User ID
- 12322
- Joined
- Apr 20, 2020
- Messages
- 9,896
- Reaction score
- 65,575
- Location
- Marsden Pt, NZ

How was compression? Is it possible it's just fatigue from mega hours?What happened to this Yamaha TTR50 piston? The cylinder is just fine and I didn't find anything loose in the bottom end. The only suspect thing I found was a stretched cam chain.