- Muffler-Old Fox 25-35
- Cox throttle
- Help(opinions) on O.S. 50sx
- Rossi .40 replacement muffler ?
- O.S. 4 stroke motor FS-90
- Carb Problem
- Os Fs-90 & Fs-70s Help
- Seized engine--HELP!
- converting old control line motors to RC
- I can squeeze your sleeves for 15 bucks a piece.
- Silicone muffler seal
- Engine allways quit
- Weedwacker balancing
- Engine collecting?
- Saito engines?
- Cleaning Enya 46 4stroke
- What's this?
- .........46 advice
- OS LA Engines, any good?
- Newbie needs some help starting engine?
- O.S .03 Rotary Wankel Input wanted
- Saito FA130T questions
- Seized Bush!
- Broken nipples.
- What's the best fully R/C 1/2A engine?
- Magnum XL .52 4 stroke
- AP .09 Hornet??
- Need engine specs for Norvel and Webra
- dirt filled engine
- max. prop size on os. 10 FP
- I need help!
- Engine Identity?
- Enya Ss40bb
- Need help disassy. OS 61 4-stroke
- OS Pegaus
- History of engines
- YS 140 sport vs Saito 180
- 2 stroke vs 4 stroke
- O.S. .40 FP and TT.25 Troubles
- ringed vs. nonringed
- MiniFan 480 with a 1/2 gas engine?
- MiniFan 480 with a gas engine?
- Thor Spark Ignition Engine-ebay
- Fuji BT50
- What RPM to expect
- Passing of another pioneer
- 4-stroke..sideways/upside down?
- Norvel AME .61 R/C A6R
- Os 25 Max Fp
- need help ..........
- 4-Stroke YS .91 or OS .91 on Sig 4*60?
- Review Saito FA182TD (Twin)
- Problems with OS50 sxh (any comments are welcome)
- Problems with OS50 SXH
- Os Max 60
- Walbro Carburator Help
- Saito FA-100GK/ FA-100
- Post flight liquid in muffler?
- It's glow but ...
- Engines at Harrogate ME Exhibition 2003
- 3D propeller for YS91?
- Re: single cylinder at Harrogate 2003
- Glow Plug Failure
- engine for 90 size Edge 540
- engine for 60/90 size Edge 540
- 30???
- Electric starters for larger engines
- Calling all Webra 91 owners...
- Old OS
- Engine choice for Kadet LT-40
- K & B 40 and noise level/DB question.
- on board glow?
- Irvine Web site
- Norvel .061 r/c engine question
- Model weight (AUW) for OS .20 FP