- OLD OS 10 MAX R.C need info
- OS FS120 III Question
- OS 46 LA problems
- Where to buy OS .18TZ
- os engine burning plugs
- OS 46 SF Max
- OS-120E - Bax?
- FS-120S II
- OS FS-120 II
- OS46AX with tribladed prop
- 91FX Air Bubbles in fuel line between needle & Carb
- OS 120 III pump help!
- OS 46 AX Idle Issues
- OS 91 I vs II Same Power and specs?Differences/Changes
- Bissson OS .61 pitts mufffler for OS .91 fx
- OS Marine engines
- OS 46 SF ringed or ABC/N ??
- OS 46 AX High Speed Problems
- OS 120 SE
- OS FL-70 Four Stroke issues
- OS FS-91 with pump tank pressure line
- Old OS FS40 Timing
- OS 50 SX PROBLEM
- .91 Surpass & flex pipe
- BAX: Am I in trouble?
- OS FS-120 II setting for low end
- ABL Technology ?????
- O.S. 91 FX Help !!!!
- os tuned pipes
- What parts needed to upgrade FT-120
- OS 120 Surpass III with pump.
- OS 70 FX 4 stroke manual
- OS 1.20-4 intake manifold - where to buy?
- os FS-91S
- O.S. 1.40RX Header Pipe
- OS 46FXi rear bearing
- OS 61 VF
- Need "O" ring for old OS 90 FS
- FX 46: Liner lost its coating
- Removal of Gudgeon Pin
- 60 FX
- tuned pipe muffler
- Fuel for os 70 surpass
- FS 52 S
- My 1.08 is sounding bad and not running right
- target rpm for 50 sx
- OS 140RX Fuel lines
- bgx1 and tuned pipe
- OS 46 FX
- vspec fuel
- New Os 18tm carberator leeking
- low needle setting on 91 Surpass II..?
- OS Twin 300 throwing rods!!
- FT-300 fuel consumption
- FITTING
- new sleeve and piston???
- Fuel for OS Gemini 300 Twin
- Damaged 120SP
- OS .48 valve adjustment specs.
- O.S. FS-91S II w/pump - tank positioning
- breather nipple in OS FS-120S-E engine
- OS FS 70 SURPASS CARB ?
- OS FS 70 muffler pressure
- OS TM leaking fuel from crankcase
- How Many Throttle Lever Set Screws ?
- BGX-1
- New OS 30 FS Question
- car big block please?
- OS FS-70 Surpass II RPM changing
- V-spec bearings?
- OS 91 surpass 4 stroke Prop 15x4 APC
- OS .46 fx what rpm range..high+ low?
- 16% oil content ok?
- tightening engine screws
- MOVED: 1.60 FX-FI - product review
- os .18 help
- 120 III pump rpm's
- OS Max .61 FSR ABC
- FUEL FOR OS 18 CVRX
- O.S. FS-70 Ultimate Set up question
- Gemini 160 idle mixture
- OS 7L carb
- Substitute of Nitro-methane: Nitro Benzene
- OS 1.60FX
- Break IN for NIB 160 twin
- OS .18tz replacement piston/sleeve when?
- o.s. 32sx fuel leaking past throttle rotor
- *New OS .61 FX Wont Start*
- old os engines
- OS 91FS question
- 120 surpass pump problems
- 91 FX
- OS 50 SX Ringed
- Choke valve
- FT-300 exhaust
- O.S. 18TM Tuning
- 70 ultimate pump question
- O.S. FL-70 RC 4-Stroke
- 46 OS FX repair
- 46FX liner problem & 46SF problem
- Cleaning up OS 46 LA
- .37 OS Heli engine questions
- O.S. Max FS-70 Ultimate question
- Can I use roto start on OS 18TM?
- 46 fx with bisson muffler - lack of presure?
- MOVED: OS Max .46 DX-DF Fuel consumption
- os 18 tm and tz questions
- OS 40 LA Issues
- 52 Surpass: Low end idle
- 52 Surpass: Low end idle
- 120 Surpass w/pump
- .40 LA engine
- OS rear-mounted fuel pump
- What tuned pipe to use with a CV-RX .18
- .91FX Decibel Reduction
- FS-70 Surpass II
- TZ parts in TM ?
- Disassembly / Reassembly Instructions Requested
- 18TM Mid Needle Adjust
- OS52 Hole in crankcase
- Tuned pipe for O.S. TM .18
- FL-70 sounds weird
- os 18tm trouble starting engine
- i reciev.18TM Break In
- Hanno Special MK1 .61
- OS 1.60FX 3D prop question
- OS .12 CV-RX Question
- O.S. FS-120S setup????
- 108 old style carb
- OS 91 & 77 VRDF ABC or ABN???
- OS61FS RUNNING PROBLEM
- Follow-up on older OS 91 parts
- Can I burn 30% Heli Fuel in my O.S. 70 4-Stroke?
- 1992 OS 91 Surpass Torque Spec's.
- Woodruff key
- Older OS 91 Surpass parts
- So, Bax, about these parts. . .
- O.S .52 Four Stroke Inverted?
- OS Max 40FP Instructions and Gaskets
- .10 max power output?
- OS 61 FSR instructions
- FS-120S-E silencer
- OS 52 Surpass rpms, throw
- OS .18TM crank into a TZ being done?
- replacing the valves on a O.S. Surpass 70
- os 61 sf
- How to setup camshaft timing at OS FT-160??
- OS MAX 40 LA
- *OS .61 FX Presure Fitting Size*
- OS 120 Surpass II
- picc/ofna.21max
- OS18TM Break in help
- Temp range for O.S. 18 CVRX?
- OS max FP40 issues
- FL 70
- Engine gurus please look at this!!!
- FS70 Ultimate Pump assembly...need help
- Gasket set for 45 FSR
- OS .18TM in Revo issues......
- help needed for os fs 120 with pump
- O.S. 91 FX Surging Etc...
- New OS 37 heli
- surpass consults on prices of 120 parts you siries
- OS FR5 300
- OS .61 MAX Parts?
- OS Surpass 61 carb
- os 46 fx bearings
- 61-RF PUMP ISSUE
- Replacement Camshaft for FS-61?
- .21 tuned pipe for O.S. .18 TM?
- Hey Bax! Do you know...
- OS 91FX target RPM?
- OS 26 Surpass
- header pipe for .18 TZ question?
- os 40 vf
- dtx 18
- OS FS52 Crankcase/Exhaust Thread
- .18 TM tips, etc..
- os 40 sr and 40 sf pistons
- OS .52
- OS 46 FX
- OS 91 & 120 Running 30% Heli Fuel
- OS 46LA
- OS .91FX and 15 nitro
- 18cvr fuel economy
- Different FP-40
- 46FX quitting after short flight time
- OS Gemini 300
- Cylinder head assy for older fs120 surpass
- OS 26 FS vs OS 20 FS
- 120 pumped , bogs when give throttle
- O.S. .15cvr pull start conversion
- Best performance air filter for .18TM/TZ
- os50sx ring install
- O.S. .91 FX
- .61 OS Max
- Surpass II Valve Cover
- Tach reading for O.S. 40 FP w/APC 11x7
- O.S. .50 Sx-h Hyper Questions...
- Need "blanking plugs" for OS Ducted Fan engines.
- FS-120SP Surpass Thread Size
- OS 40 FSR weight with muffler???
- OS .18tz for Revo?
- In flight mixer
- online buying parts for os 46 max
- OS 1.60 RX?????
- 60 degree header pipe for OS 120 III muffler.
- OS 50 sx - engine Quits - throttle opening
- FL-70
- timing of Fsr1.08
- 40 LA new sleeve is different?
- FS 120s SP problem
- os .61 fsr
- OS 91 Surpass II
- OS FS 46 Carb to a OS FX 46 Question
- OS Engines Storage
- FT-160
- Fitting new piston and Ring to OS FS120III pumper
- Older 1.40RX
- OS 91 Surpass
- OS 50-SX Prop
- OS 108 head gaskets...
- SF..FSR exhaust opening..same?
- Revo Header
- OS 1.08FSR
- super charging os 91 fs
- 160FX fuel flow rate and Max prop size ?
- OS .61 FSR-H prop shaft thread size?
- OS 1.08FSR Pressure
- rebuilding a 32 F question..
- 50 sx rebuild?
- os 45
- O.S .91 FX Surpass ...starting problem
- Replacement carburetor
- OS120FS w/pump
- OS 300 Super Gemini Twin Questions...
- updating os max 20 sp
- Drive hub OS-FS 120
- OS 18TZ Backplate P/N
- O.S. .70 Prop
- diff between DTX .18 and OS .18CV
- Fuel Line Length for OS46FX
- O S 1.60
- OS 18TM Oil Percentage
- os fx 160 keeps deadsticking?
- OS 1.40 FI
- OS Pipe for 18TM
- Where can I get piston ring for an old OS45FSR..?
- OS FS 40
- OS 1.08 in a Funtana 90 - What prop to start with