- Engine starting trick,does this work ?
- Screw thread of the propeller
- Diesels????
- magnum 4 stroke
- anyone used this before?
- How to clean balck/ brown dirt off engine?
- Why Was This Done ????
- Torpedo .40?
- correct hookup for pressurized fuel tank
- Funtana and RCV engine?
- Old Thunder Tiger .40 Problems
- Engine Conversion
- How much is a used DA 100 worth?
- OS 120 FS fourstroke need help
- O.S. vs. Super Tigre Engines
- Which ignition?
- OS Engine Parts
- Engine starting trouble(ish)
- OS 40 LA or Thunder Tiger GP42
- G26 timing question.....
- What is an HP.49 VT 4-stroke worth?
- looking for o.s. sf46 parts
- Saito fs60T
- Mecoa Engines?
- Glow engine size estimator
- How do I ID my planes' engine?
- Diesel Question
- constant fuel pressure?
- First 4-Stroke
- stripped cam saito 65
- 3w Engine size verification
- Looking for RCS 140 & 180 owners
- rossi 60 /tight afer it is run
- Gas versus glow
- Rossi .90 opinions wanted
- Identifying ABC vs Ring on an old OS ?
- Bisson "Pitts" smoke manifold?
- Irvine Q40 piston question
- engine header
- Brat .28?
- Os .90 4stroke Quitting
- Pitts Muffler decrease power??
- Where Is the Best Place To Buy
- Saito or OS 4 Strokes?
- Where To Buy
- Anyone know anything about MFA engines?
- Os Engines Were To Buy
- Webra Blackhead 10cc help
- How big is this?
- Four Stroke upgrade
- fuel for magnum 61 engine
- Engine for GP Ultimate
- Irvine or OS FX/SX
- best .40-.46
- Hi folks
- Used engine parts
- OS 52, NIB, For Sale
- Engine and prop advise.
- gasoline filter
- MAGNUM 180 Questions...
- Irvine .72 Low End Irratic - Help
- Anybody here ever scratch-build an engine?
- Owners Manual
- engine starting or instruction sheet
- HB 40 with Perry Carb
- Enya 15 IV - Need help reassembling!
- OS Gemini 120
- Radial info needed...
- Header out of Moose can for Thunder tiger .46?
- Need Help Giles Gas engine?
- Fun Fly Hots with an OS 40 LA
- Engine Worrys.
- Engine recommendations for Magic Extra
- OS 120 Surpass/Pump
- O.S. 91 unstable needle valve setting