- Engine Cleaning
- 160 twin prop. size
- vspec problem
- OS RX-M Spare parts
- 30% Nitro- Do I Need A Head Shim?
- Help needed with pump on OS FS 120
- OS FS-200s
- OS FS 70 ll Surpass throttle
- I have a T-maxx 2.5 with many mods questions about O.S. engine
- Help needed with OS.fs-120III
- OS .18 TM wrist pin issue...
- OS peeling discussion over in glow engine forum
- OS .46AX CONROD BROKEN.
- FS120
- OS 55AX or OS50SX
- O.S. 1.20 AX Specs
- O.S 240 Pegasus problem
- O.S. RG idle carb problem
- max 18 cv r pull start
- OS 1.08 FSR help !
- O.S. 240 Pegasus
- Aquacraft 18 Engine - O.S.?
- OS 46 running Backwards
- OS 61 FX vibration
- which version OS 120 do i have?
- OS 25 fx question
- os vspec temperature
- O.S. BGX-1 3500 question?
- OS fourstroke overheating?
- RE:engine instructions
- OS BGX1
- Big time noob question
- OS #8 vs A-5 Glow Plugs
- 70th Anniversary Edition FS-52S
- .46fx bearings Play??
- running problems with OS 25 FX
- os fs 48 piston ring
- MOVED: la.40 hop ups
- New sleeve for OS .18 TM
- OS 40 FP yea, it's an older model...
- OS FS-61 intake manifold part number?
- 160 fx problem
- Rebate
- 50SX & Hatori pipe
- OS .18 TM disassembly?...
- OS 70 SURPASS HEAD TROUBLE-
- Pressure nipple for OS 120 AX
- 0.S 160FX FI
- 1.40 RX Bearings
- O.S. 46LA Engine Problems
- OS 160 Fx pipe
- sleeve honing procedure
- OS 1.6 FX for Dynaflite Super Decathlon
- Can I reverse the rotation of a 0.46AX engine?
- OS TG??
- 1.60 FX exhaust questions
- Sara's science project: prop vs thrust
- O.S. FS-91 II Surpass w/Pump
- v-spec
- OS RG Non-pull start?
- MOVED: OS 1.20 AX
- Thanks and experience with FX160
- This FL70 has a problem
- Adding After Run Oil in 4-stroke
- Crankshaft endplay
- 91FX with tuned pipe
- Starting problem on OS 70
- OS 91 Surpass
- EB Modified 12Tz vs 12Tz(p) speed tune
- OS .70 Surpass (early model) trouble
- OS 91 FS Surpass
- 26 FS dissassembly
- Two Valve cover FS 120
- newer carb
- FS 120 Surpass
- OS 91FX High Speed Needle Not Responsive
- O.S. 18CV-RX nitro and oil content
- OS .21 VZ-B V-Spec-T Break-In Questions
- Fuel for 1.60 FX
- O.S. .50F SR
- os engine for revo racing
- Re: Differences in the .61SF & .61SF-H
- Idle Stop screw
- 1.60 rear crankshaft bearing
- What modern OS 4-stroke engine has the same power as the OS H60F from the 1970s?
- OS 160 FX Mid-range tuning
- Inverted OS 70 Surpass II run problems
- Engine accessories
- Crankcase breather
- 91FX break in
- Long term storage 91FX
- Why did OS stop making hot 2 strokes?
- lack of engine compression
- OS FS-91SII-P Extreme Vibration
- OS .46LA carburator issue
- OS120AX
- OS 70 FS II Exhaust Header
- What's the difference between 120 Surpass (I), II and III?
- OS FS 120E Pressure question
- crank bearing removal and install
- 46SF ringed starving for fuel
- Need specifications for O.S Max FT-120 Twin Gemini ll
- Fuel for Surpass 70
- O.S 70 SURPASS prop question
- 50sx/50sxh bearing failures
- OS 0.25 FP engine running problems
- need book on 120 fs
- "effective adjstment range" for low speed needle
- *OS 120AX Sounds Rough*
- macs tuned pipe for os 61 fx
- V-spec piston skirt
- OS 91FX old engine
- OS 46FX Help
- Valve lash tool for FS-70 II?
- fs120 super charger.........need help
- OS 91 FS Surpass pumped
- ill,
- os max 120
- MOVED: Carbon Prop for 160FX
- Purpose of mixture screw on FS-70S II
- Throttle arm
- OS35 Parts
- VG 30 + 2060SC STRANGE ??? HELP
- SF 61 w/pump, help needed
- OS FS 61 disassembly question
- o.s 1.20 surpass fuel tank
- MOVED: one way bearing issue
- 1.60 FX
- .21 WM Flex Shaft Problems
- pulling out piston/piston rod/piston shaft
- Help fixing seized fly wheel or piston
- OS 160 ring
- os 46 low end problem
- max distance from tank to engine for OS61FX
- OS 50 sx two-stroke problem
- Resetting Mixture Screw on FS-70S II
- Easy 160FX Muffler question.
- OS Glow plugs-mechanical failure
- vspec shim or no shim
- OS .12 CV-X
- Looking for some manuals 45 FSR, 40 FP and FS 40
- OS 46 Sputtering
- OS .91 fx pitts stype muffler
- OS 70 Ultimate probs
- OS .18 cv-rx extremely fast idle at startup
- 0.S. Engine (help me)
- OS max 61 VR
- O.S. AA twist-lock glow ignitor problem!
- Vspec tuning
- looking for prop help
- OS FP .10 Piston orientation
- Can I convert my .15 CV-X recoil to electric start
- I need help with my engine
- OS .61 FSr ringed 7m carb
- v-spec carb
- OS 46 LA idle
- 160FX midrange
- pic of my revo
- 18tm eb mod and 18tm stock
- I need an O.S. engine!
- AX46 tuning problem,,
- CV-X noise
- 12 tz(5p) temperature
- .12 CZ-R
- .91 surpass pumped
- OS 91FX or OS 91 Surpass w/ pump?
- O.S. 160FX-FI set-up problems
- O.S. 91 Surpass valve spring replacement
- OS 120 Surpass III pumped
- How to replace needle valve
- OS 20 FP Muffler needed
- Replacement needle valve needed for original OS FT 120 Gemini
- OS 50 max
- O.S. 18 TM?
- OS 46 FX.... muffler extension
- OS FS 91 Surpass drowning
- Bearing replacement procedure for OS 1.40 RX
- OS 120 Gemenii Engine
- OS 70 Surpass II spinner nut...
- O.S. Engine Lost Compression...
- os91 4t regulator leak while runing
- OS 1.60 Compression Issue
- OS.50SX-H best fuel for this motor?
- Leaky 18tm on my REVO normal??
- piston ring
- OS .18TM Clutch Bell Install
- FT 160 Carb.
- OS .46 AX 'afraid to fly'
- O.S Max 60sr need specs.
- Losing cylinder on OS FT 160
- bx1 108
- old os .90 fs
- Can I use this in a airplane O.S. .91SZ-H
- os 18 cv-rx normal wear???
- OS .46FX Nose Dive Into Ground
- pls help(.18tz)
- .18 os tm heating too quickly HELP!
- OS VZ-B VSPEC Questions
- O.S. FL 70 2-vent setup
- aluminum spinner for O.S.50SX
- MOVED: OS 160FX
- *OS 120AX 2 Stroke*
- 91 FX overheating at idle
- 120 lll w/Pump Starting Prob
- 20% for the .61??
- 1.60 pitts muff
- OS FS91 II RPM PROBLEM
- OS 120 Exhaust Routing
- OS FL 70 info?
- General FT 160 question/s
- OS 140RX fuel tubing
- Quality
- 46AX Optimal Prop
- Prop for 1.08
- Engine Mount Help
- What the news on the 2.0 EF1 Akiba's been using?
- FS 120 Surpass
- FS-91 Surpass 35900
- running without nitro
- OS .21 VZB Rebuild problems
- OS 91 Surpass
- OS.46-LA - Putting it back together...
- Rich Runnig .91 fx
- OS 61 FX
- 60 C Carb on 65 LA
- scoring on piston
- O.S .50sx
- O S 65 LA ldle
- 46FX rear bearing won't come out
- Replacement screws w/ hex head
- 91 FX backplate New Design??
- Strange noise coming from 1.60 FX
- FX 160 RPM
- O.S. .18cv-r average running temps
- How do I get connecting rod off OS 50SX?
- Exhaust port diameter
- OS 70 4-Stroke Low Power/Compression ???
- FS 91 S11 Header
- break-in mixture setting
- OS 160 FX
- Thread size of exhaust port on OS 91
- tower 75 parts and problems.
- Is Wildcat 15% good for the .18cv-rx
- os max 21rf-b
- O.S. .18 TM for Jato
- Change bearings in OS FT-160 Gemini
- o.s. 1.60 four stroke
- max rz v01b ?
- O.S. Hub Size
- O.S .18 CV-RX help