- to smoke or, not to smoke.. that is my question
- Piston #2 let go
- Which motor?
- OS91SZ cline or OMI mod
- YAMADA YS 50 ST
- Changing back and forth between 30% and 15%.
- Engine gearing??
- Having a prob with a OS 70 SZ-H
- Piston question but not in a heli..
- Serious Issue- Can't even hover with my new pumped CSPEC
- cracked crankcase
- ys web site?
- Vibration in OS 50 Hyper
- OS50 hyper with New MP5
- Bad clutch?
- Engine leak
- MP5 Pressure Fitting.
- evolution .52
- OS 32 running too rich
- How to reach James O'Neal (OMI Mods)
- Hard to start OS 50 Hyper
- YS91SR Needle settings
- eating a head gasket
- carb o-ring placement
- Hatori SB 50 mounting.