- Idle screw adjustment the easy way?
- DL50 posting on another board
- OS break-in question
- OS 1.08 inconsistant running ?
- does this look normal to you?
- Zenoah G-38 EI electrical connections?
- gasoline engine extensions?
- Anybody ID this engine?
- can i bend the stand pipe?
- TT PRO .36 won't quit
- O.S. 46AX Muffler Leaking
- Can you answer this one??
- Good plane for OS 20 Four Stroke
- Are there any "Pitts" style mufflers for .15 engines?
- Thrust of a OS 30FS?
- Need info about R120
- Setting Timming on Saito
- Connecting rod info for Rossi 60 Speed 10 RRV Engine
- Quadra fuel/oil mix
- Got a deal today
- prop size
- Prop Colour
- HP 21 rotary valve timing
- Os .40 La
- Os 4 stroke question
- OS 46FX w/ Pitts Muffler
- Irvine 150 Questions
- Glow Fuel
- Magnum .91 4-stroke
- Do glow engines have the equivalent of KV on electric motors?
- Deezil Diesel engine
- "Cheap As Chips" .40 Size Motors
- Help with 4 stroke
- New Enya site
- Zenoah problem
- Bisson Pitts muffler for OS 61F-SR
- OS70 SZ-H - tips for use in an airplane?
- RCV 130 - Any updates?
- What website for Y.S. Engines
- Honing an OS 91SX Cylinder
- Glow fuel to gasoline conversion?
- OS H80 R/C crankshaft Bent
- propellor questions
- How do i clean this engine?
- Saito 100 help?
- Trainer Engine Always upright?
- Cox .049 spares U.K.
- 4 stroke newbie questions
- ST 40 muffler gasket replacement
- Nothing but problems with my ST 2300
- O’Donnell Racing Accessories TGX1™ Infrared Temperature Gauge with Stopwatch
- Magnum .91 four stroke
- I need your expert advice here!
- Magnum .91XLS tachometer numbers?
- OS 70 FS won't hold needle setting
- 55AX & Pitts mufflers
- 4 stroke fuel
- in line fuel filters Good or Bad?
- Magnum .91 Four Stroke problems
- Friends of William "Bill" Robison........
- Two Blade to three blade conversion
- Engine ID
- Pitts style muffler for magnum pro 45 engine
- Muffler extender
- Magnum 91 XLS 2 Stroke
- Fill me in, please.
- OS Motor Question on Nexstar
- Saito 82 please help
- Pitts Muffler Diagram
- YS 120FZ buble problem
- Texas Hurricane
- Unknown gas engine
- Black oily residue from muffler
- Quadra 75 manual
- push-pull engine settup