- Break in of 4-stroke engines
- Glow Plugs in a converted Gasser???
- CDI ignition question
- Old Quadra 35...where to get replacement coil?
- New ASP 52 dripping fuel out of front bearing
- Fuel Consumption rates for Robart R780 or any other Radial Engine
- ASP 52 Series 3 and in cowl silencer
- Extremely hard starting OS55ax in the cold
- What is Schnerle porting
- HP rating vs actual power
- twin magnum 70 fourstrokes
- HP on an airplane engine (TESTING)
- issues with os 52 4 stroke engine
- One valve "Dryer" than other on sideways Saito?
- Saito crankcase vent - Putting a tube on it?
- Does the O.S. .25la have a fair lifespan?
- my os 46 sf is having trouble at high end
- OS .70 fourstroke idle adjust help please !!!
- Carb for GMS .47
- Spark plug boot for 1/4 - 32 plug?
- OS .91 4 stroke valve adjustment
- Got Gaskets?
- gasoline engine blueprint
- Prop size for FS .91 with large (radial) cowl?
- os 91 fs mystery tube
- lowest four stroke idle
- Convert a two stroke methanol engine to fuel
- YS 91FZ Hatori 674 pipe
- smoke system
- mm engine bearings
- Old OS engine, restarting precautions
- Gas Tank Questions
- ASP 52FS Timing problem
- How to disassemble a g-51 supertigre engine??
- Muffler for a ENYA 40X???
- Gasket for muffler worth the trouble?
- OS and Tiger Shark
- Can Ethanol Be Used In Model Engines
- Air intake
- Which oil to use for own-mix fuel? (UK)
- OS .46AX muffler question
- Flying in Orange County, California.
- OS 120 needs a retune
- Cold Weather glow plug selection
- tank location/height.. help!!
- SupreTiger GS-45
- Thunder Tiger GP 28
- compression tester
- O.S. .48 4-stroke Manual and Carb Adj.
- Need help w/Saito 150
- YAY!! got me a new engine!!
- Fuji gasoline enfine kill switch
- When was the first four cycle/four stroke for R/C?
- OS .15 CV-X Hyper
- Stallion .35 RC .......attic find
- Saito 72
- super tiger 3250 help?
- Why my OS15LA is easy to shut down or works unstable?
- Engine Chioce?
- What does O.S. stand for?
- American engines
- 4 stroke custom muffler inquiry
- Just bought OS .61FX break in help
- saito muffler
- 3 or 4 blade WOOD props...
- Need help for Saito 82
- Prop for YS 120, for 3D flyin
- Saito Bearing?
- port timing
- Evolution .46NT
- 5% oil + 5%nitro = O.K?
- do fp parts fir the la engines?
- weed eater engine
- Setting up and running OSmax .40 engine.
- Vintage Whirlwind 6 engine info required please