- instructions for old OS engines
- .12 cv os max and a 10L carb
- O.S FS-91
- OLD OS 70 SURPASS
- o.s. 18 cv
- OS FS crankcase breather
- OS 48 Rebuild Help
- OS FS91SII Bearing change trouble
- Pig in a poke??
- .61 FSR
- 61 FSR Rebuild
- O S 46FXi dies on takeoff
- Header and pipe set for .18 CV-RX (s) rotary carb
- 91FS Exhaust outlet pipe
- 46AX DOES NOT SOUND GOOD AFTER 10 FLIGHTS? HELP!
- OS-120 proper prop?
- os 46 needle setting problem
- Urgent- which clutch set for a .18CV-RX ?
- Extension part of E-4020
- FS 40 Surpass air bleed screw?
- OS 61 FS rebuild
- FS 61 Cam Bearings
- FS 61 Timing
- OS 18 CVR pull start problem
- I can find this part PA-102 pump system
- 1.08 Carb sleeve
- easy 1.08 question
- .12? carb
- os 1.6 fx overheating in giles 202
- FS-120Surpass II
- Need OS 52 FS manual
- 91 surpass no exhaust
- How do you break in an os 40 Fx
- OS 46 AX is it good or not
- OS91fx question
- Break-in prop for .91 FX
- .30 engine mount
- Fuel for a BGX?
- 1.08 bearing replacement surgery
- 46FX---AX help
- 140 RX... what glow plug?
- OS 120 Surpass I - Pump leak
- FS-70II RPM and exhaust questions.
- OS FS70 Ultimate
- OS 140 RX pipe tuning procedure
- OS 140 RX FI
- surpass backfire
- OS 120AX????!
- OS 61 in P-51 ARF
- OS.18cv-rx problem
- RUT ROH! .18TM gone??
- FS 120 w pump
- OS.18cv-rx problem
- os fs61
- OS 160FX FI
- OS 46 AX mid-range
- OS 200 4-stroke
- 2 questions
- 2 stroke piston orientation
- OS 160 factory settings
- OS .12 TZ 3port with HPI roto start?
- OS FS-91, bearing replacement.
- Weird OS40 LA Problem
- os91fourstroke
- OS part # 23882900 help
- OS 1.20 Surpass W/pump fuel line hookup?
- New OS LA 15??
- FS 90 trouble
- ball bearing replace on fs91p
- OS FS 26C II
- OS 160 Low Compression
- cam timing on OS-91 FS surpass
- 46la needle setting
- FT-300 Compression
- Os 160 muffler
- OS 50 bearing,,,
- FS 91 SII Head gasket?
- OS 70 Ultimate Regulator Issues
- OS 50SX weight?
- OS 60 FP Idling Problem
- FS 120III w/Pump Flooding
- How much blow-by is to much?
- 61 FX vs 61 SF
- OS FS-70 Ultimate and APC 13x7
- FS 120 surpass III w/pump
- 3D prop for OS 160 FX
- OS 1.60 ABL?
- FS-40 Surpass FS-40S
- os 160 flame out
- surpass 3 120 with pump is good for pattern?
- 65 la
- Are they still in good order ?
- Air bubbles in needle valve on OS 1.60FX
- Inverted os 1.60 muffler
- *OS .91FX Neddle Valve*
- OS FS120?
- Starter options
- OS .21 VZB V-Spec will NOT idle at ALL
- NEW MAX-120AX RING !!!
- OS 70s II
- New O.S. 180 rear exhaust
- !.60 fx shortened muffler.
- OS FS 70 S Carb body Q
- 46FX Midrange Problem
- *OS 1.08 Prop*
- what is shaft length
- OS 46 with tuned silencer
- OS 120 AX
- OS 90 FS carburettor
- OS FT300 Muffler
- new OS 45 la engine
- tightHow to remove Stubborn drive washer
- Old OS 90 fs cam timing
- .18 cv-rx
- O.S. Carburetor 70-B
- OS 46 FXi frustrations
- O.S. .60 FP Needle Valve Setting
- 91FX solutions?
- FT 160 INVERTED??
- OS 35 CC 2ST
- pullstart on .18 cv-rx
- OS FS120 II W/pump NEED HELP
- Back plate on 46FX
- 4S FRUSTRATION!!!!!
- FS-91 FI ECU voltage
- OS FS 70 Ultimate
- Thanks
- 4-stroke tank plumbing
- Choking the Surpass II 120
- os 120 pumped wont pump
- OS160FT problems
- FS-70 S II questions
- OS .12 CV help
- OS .25FX
- OS 46 FX carb problem/question,,,
- Overheating in a OS 160FX
- OS 91 problems
- Noisy OS 61FX
- OS91CSPEC running rich issues
- Engine ID??
- New 120
- OS FS90
- os 91 Ducted fan
- engine cleaning
- Surpass 120 III/pumped sent for service
- OS .12 Need Help Here Badly
- 91 FX gets blistering hot
- O.S. 91 FS Tear Down/Inspection/Referb
- FS 70 Ultimate question
- OS 40 FP not well!
- Pump replacement
- OS 70 FS
- Finish on OS engines
- Address for requesting manuals
- OS 45 FSR engine
- car to marine conversion
- 46LA issues
- .46 VR-DF
- 46 LA Piston pin
- modified OS 1.40 RX
- Fuel Leakage?
- OS .91 FX muffler
- Recommended pump for OS 91FX
- OS 91 FX rattling sound
- OS 61 FSR Geared Engine
- 91 four stroke fuel
- OS 3.20 Pegasus RPM's
- OS FS-91 Idle problem
- OS 120 pumped quits when vertical
- OS Parts source?
- Inverting 120 Surpass 4 Stroke
- OS 26 for racing
- MOVED: Header/muffler for OS 140 RX
- "46FX" how long to brake-in ??
- OS FX61 muffler
- TM crank into TZ?
- MOVED: OS Max 40SFR muffler problem
- OS FP .10 head gasket
- tYPE OF PUMP FOR 1.60FX
- pump for os 108fsr
- os .18 cvr needle settings
- OS 120 pumped problem when high revs
- OS 46FX problem
- OS .18tm loses air filter
- 1.08 FSR problem
- os 61 locked up
- pipe for 18cv-rx and glitching
- OS50SXH rear bearing again & gasket?
- cv-r series needle settings
- OS50SX - Hissing sound around piston ring
- Surpass Valve Lapping
- Overhauling a Wankel
- inverted O.S. 65 problems
- os 91 fx gets hot ??
- OS 160 Fi trouble
- os vspec repair
- OS FX61 muffler
- 120 Surpass III pumper woes
- .91 fourstroke and 25% nitro
- os 15 cv x
- OS FS-70 Surpass II RPM Surging
- OS FS120II Pumper conversion to OS FS120E
- os 120 surpass
- FS-91 Surpass II and 14x8 prop
- Choke valve replacement for OS FS120E
- OS 50 SX
- Fp-40 problems
- Lower Compression
- O.S. 46
- Trouble with OS 46 FXi
- teather car wankel
- What happened to OS FS-70 Ultimate???
- Need Help Tuning Older O.S. 91 FS Surpass
- Prop Recomendations
- OS .18TZ head shims
- Can the Wankel be reversed?
- OS.18 TM Needle settings? Max. temp.?
- 1.60 needle settings
- OS 120 ll with Pump.... Inverted
- OS91FX RECOMMENDED PROPPELLER
- O.S 18 tm trouble Please HELP!!!!
- OS 160 FX inverted flame out
- what prop os 91fx
- OS FS 30 Surpass tuning
- 91 surpass leaking fuel
- Rebuild OS 46 FX
- Missing Screws
- Bax! Help FL-70 crashed!
- OS 91FX ejecting glowplugs!!
- os .61 too lean
- Arizona HEAT
- Clicking on OS FS 120 Surpass II Pumped
- OS FS-91 under-powered.
- plug for .61 FX??
- O.S. 70-FS Ultimate
- OS 120 FSIII W/ Pump
- OS 1.60FX, great engine but...
- OS 46 SF. Cleaning
- engine running hot
- Broken Needle Valve Holder OS .40LA
- factory needle position
- What OS will fit?
- CV series is getting old!
- OS FL-70 problems?
- O.S 18 TM
- OS 120-E Into Surpass III Pumped?
- Sleeve Material
- OS 120 S w/pump
- 120 fs parts needed
- OLD OS 10 MAX R.C need info