- low power OS 1.60FX
- 91fx
- Older OS .46 VRM Marine
- Runs and Quits "tip of the week"
- Need Help With OS 120 III with Pump
- OS 1.20 W pump inverted?
- Need gaskets for OS 40 SR
- os 91 fx
- Reverse Rotation Crankshaft for older OS60/61 FSR
- OS50 'sneezes'?
- 160fx prop 3d
- what is the size of thread for the nipple in OS 46fx muffler?
- OS .50 SX - Won't die?
- .91 FX Props
- OS 1.60FX detonation in the midrange
- OS and Thunder Tiger story
- OS 50 SX Aircraft
- Prop size questions
- OS max 40 Sr Engine
- out of touch for a little while
- OT: GP 1/3 Scale Pitts tech notice.
- 3 blade prop for .61FX
- Os Cz 15
- tip of the week: tuned pipes
- Dynamite TNT .12R
- OS 160FX Cuts out 2/3 tank
- Too rich idle
- Remote Glow Driver cap wont fit.
- Mounting .91 FX horizontal
- OS160FX Piston
- os 52 surpass
- OS CV troubles
- Os 50 & CY MP 30%
- manuals, expl view, parts lists, dimensions, pricing and more!
- O.S. .15 LA from LHS w/o instructions?
- 15cvr with 10a carb
- A must read!
- Os 46 Vx D/f
- OS 61Fx Muffler
- Best prop for fx160
- Os 70 Surpass Runs Eratic At Full Throttle
- os max .35 needle valve needed
- OS .91 Surpass Problem
- OS max FP 40
- os 70 surpass throttle postition Q...
- In-cowl muffler for OS 91 FX
- Out Of Town Notice
- OS91Fx air bubbles in needle valve fuel line
- Glow plug reaches ??
- 91 fx air leaks
- OS1.40RX (first series) low end?
- Please read before posting...........
- OS 160 Shortening stock muffler
- The baffle - what's it for?
- cleaning .46 FX
- OS 1.6 FX Starting question
- OS .61 Hanno
- O.S. .91FX Lemon (Revisited)
- best prop for os bgx
- Problem with OS .61RF-ABC-P
- Problem with OS .61RF-ABC-P
- Parts available for older engines?
- Thread questions for carb and glow plug
- os 46 fx
- Re: os fs 120 sp
- OS 46FX Muffler
- OS Max .34 F question
- O.S. .91FX Lemon
- OS300 troubles
- O.S. 4-Stroke Headers
- 46Fx Warrenty Question
- SMOKE -1.60 FX any mufflers out there???
- NEW: Ask your O.S. engine questions directly here