- I need some exhaust deflector plugs.
- Needle valve
- tt53 low end needle valve
- What do you guys think of the new TT.53 motor?
- Is the fuel im useing good?Glow plug question too
- 91 SZ motor
- OS 50 Hyper starting
- YS50 Break In
- engine shuts off when i remove the glow starter
- OS50 rear bearing to YS50ST
- YS 91sr Not Starting
- Hatori Pressure Nipple
- I need compression chart
- I think I bought my last YS engine
- Supercharged OS 50 Hyper's From Japan!!
- Part of my MP5 - 90 fell off while flying my Trex 700
- Anyone using Wildcat 30% Helimix fuel?
- Zimmermann exhausts.
- First time Bearing replacement on OS50
- tt53rl tuning
- OS 50 on 30%
- Hatori Bobby Watts - model number?
- .50 Hyper high altitude question. To shim...or not to shim!
- Tuning a OS 50 - Help
- Which muffler for OS .61