- FS-90
- os140rx
- OS 18TM crank for the 18TZ?
- os 40fp question
- FS-120 Surpass III Engine w/Pump questions
- Fuel for .46 FX Question
- OS61 fs
- OS Carb's
- OS 15 MAX RC
- OS 91 FSR (What Carb)
- Surpass 52 exhaust jam-nut repacements
- OS 46 ax Muffler
- OS Parts Question
- OS 61 RF
- .18 tm vs. .18 tz
- OS 18 CV-RX IDLES INCONSISTENT AFTER PORTING..PLEASE HELP!!!
- 40la vs. 40fp
- 4-stroke without muffler??
- Idle to high
- OS FS-70 Ultimate RPM Figures
- OS 91 FX bearings repair under warranty?
- OS 300 questions
- OS 46 SF
- Discontinued .12 TR (P)-T R-Spec?
- Older FS-120
- OS 91FX fuel vs. Prop vs. RPM
- OS 48 info and help
- OS 30 Identification
- 91 fx fuel supply
- OS46FX conrod bearing problem..
- bgx trouble
- os fs70 timing
- Carburetor 7L
- Muffler for OS 120?
- OS 160 Twin fuel question
- Question on OS40C Carb
- OS 46 AX Question
- Looks like corrosion but I´m not sure
- Combat is killing my motors. A few Q's
- 46 with short prop shaft
- FS91 Needle Valve
- 91 FX problems, still
- I need help fast!
- os 70 szh heli engine impossible to tune
- .46 ducted fan engine
- 18CV-rx (s) throttle arm
- OS FS 70 Ultimate Fuel Change
- OS 300 mounting template
- OS50SXH needle valve...
- 50-SX and 50SXH differences...
- OS FS-70 Ultimate
- O-ring (low speed needle) for 46 SF 4D carb
- bubbles in OS 50 sx
- OS 120s-sp question...
- OS 160 twin question
- Mufflers for O.S. 70 4-stroke
- OS MAX .61 SF WITH PUMP
- u can do by great planes with os 91fx
- Questions about rebuilt 25FSR
- 91 Surpass ideal rpm range and breakin question
- 40 FSR
- FS-120 W/Pump
- ID old OS 45
- OS wankel
- 91 surpass II
- O.S. FS 70S suffers delayed idle.
- 50SX Overheating - Carbon??
- OS 46AX - can it be mounted inverted
- A3 or #8 OS Glow Plug
- Effects of lower nitro on 91FX
- 46FX Cone Baffle
- OS 46 VX-DF Fuel Question
- 90fs w/pump ??
- old o.s. engine
- OS Fs40S
- 70A carb changes??
- ultimate 70 pump
- using a tach, where should one set a .46ax?
- OS MAX 60 SR
- 46 fx looking bad
- O.S. 91FX not having enough power
- help with OS carb 4a
- After-run procedures
- OS 70 Ultimate IDLE setting
- os 91sII - break in question
- OS DTX .18
- OS FS 70 Ultimate Adjustment.
- OS 5O SX BUBBLES
- OS 91FS Surpass Muffler
- FS 120 two covers
- O.S. .12 TR Pinging Sound
- Tank location for Inverted 46FX
- OS 120 FS Series
- New engine
- .18CV-RX
- O.S. 120 Type I Surpass w/pump Questions
- Leaking Afterrun Oil
- OS50 SX LOSS OF POWER
- Question on Post-crash Maintenance
- tank mounting on 91fx
- Timing an OS 91FS Surpass
- OS .91 Head Bolts
- OS 140RX
- OS FS 70 needle valve.
- 91FX Problems
- What size prop for a 46 FX
- FS-91sII-P
- Pressure Fitting for OS 1.6 FX
- O.S 120 SP
- 15 cv-x hyper, difficult to turn over
- OS .46 SF-P : what is this engine?
- 1983 FS-90 advise
- os70 surpass
- OS Engines
- OS BGX-1 Tuning
- what glow plug with 30% Nitro & 46FX?
- Typical OS 91 FX RPM Range
- OS 40 LA Carb Settings
- OS 160 FX
- After run oil?
- OS 52 Surpass won't idle w/o glow-plug
- I need parts for my Ft-120
- ALTERNATIVE SOLUTION OF 46SX-PISTON SLEEVE
- 91 FX bearing question
- Trouble starting/idling O.S. .15 CV-X
- New OS 70 FS power vs. LA .65
- Sensitive needle adjustment.
- MOVED: OS FS70 full throttle problem
- Damaged OS 91 Surpass w/ Pump
- FS70 Surpass 2 muffler question
- Which prop for 91FX pulling 8.5 lbs Extra?
- 1.6FX carb alternative
- OS- .50sx Surging at full thottle? Help!!
- OS 61 MAX RF and Hatori 650 pipe
- OS 45 FSR ABC Bearings
- MOVED: OS Radial
- Head Shims
- OS 61 FX / Mac Tune Pipe and header
- OS .46 FX Break-in
- Oilly mess or normal.
- OS 120 III pumped
- OS .46AX in Funtan S 40
- 40/46 LA Parts Pack
- regulator leak - FS 91 Surpass with pump
- 40/46 LA Carb
- Needle Valve for OS 120 Surpass I
- Supercharged OS FS 120 SP
- FUEL PUMP FOR O.S. BGX-1
- Need help tuning my OS61RF-P
- OS 7D carb
- 52 Surpass with Perry VP30 Pump
- Pressure nipple thread size
- Bearing replacement 0S 120
- FS 70 Ultimate won't run
- 91 SX-H & 91 FX rear bearing
- .46 FX won't stop running
- os .61vrm and cmb .90 tuned pipe
- Old Engine Instructions
- OS .61 SF (Ring)
- OS 1.6 FX W/PERRY PUMP(REGULATED)
- OS 61FX
- OS 70 - looks fine, won't start
- OS FT-300
- 0S.46 max in nexstar
- 1.60FX on FAI fuel
- OS-140RX-FI adjustments...
- 1.4 vs. 1.6
- cylinder liner not fitting
- 91 FS surpass
- % Oil suitable for OS
- 46 SF shuts off
- OS 1.20 with pump
- help to find parts
- OS 120FS III Breaking In?
- FS .52 reverse rotation
- OS 91 FX idle question
- OS .50-SX Air Bubbles Remote Needle????
- New engine
- Parts for O.S. .21EX
- 91 fx
- OS 7M carb
- my O.S RG .21 max will NOT Run
- 40FP/40LA carb swap?
- OS .52 four stroke over prop
- os .21 rg
- Kyosho mount for OS engine question
- OS BGX-1 Stock Muffler Question
- OS 120 FS with pump
- OS 300 twin problems
- Piston Corrosion???
- 50SX RPM ?
- breaking in a .12 cv-x
- FS-91S II vs. FS-91S II FI where's the benefit?
- 52 FS Surpass
- OS 120FS Surpass Type II
- osfs120 sc
- OS 61 VRM Specs and Info Please
- How to remove FS-120 piston
- 40 FP NEEDLE VALVE ASSEMBLY?
- 120 pump , is clogged, how do I cleaned?
- 2-needle carb for FS-26-C
- 61RF-P ABC Running in problems
- OS FS-70 Ultimate Idle Problems
- OS .61 FX problem
- OS 140 RX/FI starting problem
- OS FS-70 Ultimate Idle Problems
- OS 40 FP
- OS 70 Ultimate, Variance
- 46 SF Needle
- Another FS-26 question
- OS 1.60FX Muffler Problem
- Oils
- fan unit
- old engine
- 46SF lacking power
- Muffler swap? OS .91 surpass/ 1.20 surpass
- replacement o-ring help
- OS 70 Ultimate Running in
- 46 LA
- Replacing the stock muffler with a copper pipe
- Difference between FS-120 III, FS-120 II and the FS-120 Surpass? confused?
- 46 FX Runtime
- OS50SX Surging
- Exhaust options for the FS-26C
- os no7 glow plug
- OS FS-70 Ultimate Bubbles in fuel line
- OS 50SX Glo Plug Issue ?
- O.S. 91FSII bearings
- OS LA .46 CARB
- vz tuning chasing
- 25 LA factory air bleed setting
- 91 or 1.08 , Thats the question?
- O.S. 1.08 Problem
- O.S. Max glow plug
- FS 70 Surpass (not Surpass II)
- OS 1.20 surpass III w/pump fuel tank
- OS .21 RZ-V01b
- OS 120 Surpass-E exhaust header
- 21RG Temps
- FS-26c 4-stroke first start
- 120 Surpass
- 0s 140rx parts
- 91 FX Super Muffler E-4030 Baffle
- OS91 surpassII
- 4-stroke buggy motors
- Older O.S. 91 FSR
- OS 1.60 FX - engine stoppages
- OS Rotary
- OS .40 looses power...
- OS 300 Twin Prop/RPM