- Engines in General
- Yes you can repair your damaged fuel tank. OUCH
- Super Tigre G-90 RPM performance?
- Poor running Webra
- OS91FX and PERRY PUMP
- ST 2000 needle valve settings HELP!
- Prop Size For A Rossi 53 Ducted Fan On Diamond Dust
- Need front to back mounting specs on Saito 72!
- Inverted YS need onboard glow?
- OS 1.20 Surpass III with pump sort of trouble
- How do you mount your engine?
- Pitts-style Muffler for Tower .75
- Saito 56 air cleaner??
- mds 76,
- YS FZ120 Any Good?
- PROP for MVVS .91 ?
- OS46SF - Engine Noise
- Saito 72 prop / rpm
- OS91fX RPMs question
- 4-stroke 120..OS and Saito
- merco 49
- How to get a muffler for OS Max .19
- Velocity Stack for a 2 stroke?
- YS91 questions
- Cline vs Perry Regulator
- Saito Engine Parts ??
- .50 - .61 engine choice decision
- .72 Saito Running backwards...
- OS Max H40P engine
- Four cycle plugs in a two cycle...
- MVVS 1.60 glow ?? vs OS 1.60
- Starting the engine after 6 months storage
- Prop size for OS 1.08
- Smoke Systems?
- Anyone heard of Maloney gas engines
- Super Tigre Gs .40 Test Results
- OS .91 Surpass II (no pump)
- Magnum Xl .46 Idle Mixture
- Tunning procedure for OS .46FX
- Need more power? How about a mini V8
- Taurus engines
- O.S. 91Surpass with or without pump?
- OS SF engines.. info requested.
- Hobbico Superstar -Plastic or WOOD
- Help With plane talk
- ROSSI 45 opinions
- MDS FS 58 Pro
- Piston Rings
- FZ Compression -- update!
- OS 160 Tach Readings
- Johnson engine - how old??
- tt .61 PRO
- Saito pressure fitting
- muffler for norvel 25
- running saito 180 without the muffler - input?
- how thirsty is a YS 91
- supertiger 90
- Cut Finger Priming Saito .72
- Tank
- Super Tiger .90
- MDS FS 58 Pro
- os91fx...2 LEMONS
- can you identify?
- Rapiring a Hole in a Fuel Tank
- How to install piston ring w/o breaking
- Gotta Question
- How Break -In Saito 65 engine?
- Pitts Style Muffler for an old K&B 40??
- Slow My Plane Down
- OS vs. TT Opionins wanted
- To Pressurize or not to pressurize ...
- Where to buy Nelson Mufflers/Pipe
- After run oil on a cowled engine?
- Extension for Tower muffler on OS 46FX?
- YS 63 RPMs problems
- Source for Thunder Tiger parts
- hello?
- Satio 100 Input/starting
- Pulsejet engine
- Who manufacturers this motor mount
- zdz 80 break in question
- Mecoa .32 transition problem
- ys piston vs os piston
- Engines - Prop / RPM
- sportster .45
- looking for the best .75 2-s!!
- Pipe couplings on Rossi 45 SE
- Inverted wrap around muffler for FPE
- Does anyone know where I can get parts for this engine?
- Distributors for Laser Engines in the US?
- webra 32 or os 32sx on sig wonder
- Need specs for Moki .15 Rc engine
- Magnum/ASP 4-stroke Problems solved ? Who likes them ?
- Is it ok to run an APC 9 x 7 with a Thunder Tiger .46 Pro??
- Glow Plug....Bullet
- Saito .80 prop size
- YS and Fuelers/Dots?
- Conversion of glo to gasoline
- Installing a Perry Carb on an Enya 50CX
- irvine 61
- BGX Detonation ?
- Saito 50 bearing Repair
- Cheap Pump/regulator system
- Webra 120
- Pumps and OS 32
- Switch to a 3-blader?
- O.S 160fx troubles!!!
- Saito 1.80 and fuel pump?
- Webra Engines
- turbocharger...
- Saito .91 or Saito 100? What's your opinion?
- OS52 overheating; help......
- Tuned Muffler for mvvs 45?
- Engine cleaning
- On Board Charging systems?
- YS 140L and 18x6 Majzlik
- Prop for OS 25Fx
- YS-45SE, what the hell...
- Lets Talk "Fuel
- Am I the only idiot with a MegaTech M-46
- Jet 50
- Plastic spinner on four stroke?
- What size 3 blade for Webra 120
- 4 Stroke choice
- 3 and 4 bladed prop rules huh what mean
- ST 3000 carb assy
- ST 3250 Repairable?
- Removing bearing shields
- Saito 100 Props / RPMs
- What prop for Sig SE and TT Pro .46?
- thunder tiger 46 and 11x4
- K&B .45 First Start
- Black oil residue in piper OS .46fx
- O.S. 46 FX Worn Out? 11,400 rpm with apc 12.25 x 3.75
- Have an OS 40 Surpass... Any good kits?
- Smoke conversion?
- Enya 120 Fourstroke-help me here.
- What engine for the 4*40
- Max 60SR won't run!
- Cowl "supercharging" my engine?
- Webra 1.20 (old carb vs: TNII carb
- Perry Carbs
- how to cool the RCV engine
- High Altitude Prop Choice
- OS 50 SX Not on OS web page?????
- Thunder Tiger Pro .46 ?
- Prop Size on 46FX for T-34 Racing?
- Best 3d Prop For Os 108
- Tuning O.S. 46 w/tuned pipe
- Engine dies on hard loop.
- Max 60 SR won't run?
- irvine .53 VS os .50 sx
- OS 26Surpass Overhaul
- OS Max 50
- Problems with an OS 1.6FX
- ST2300 Questions - Help Please!
- Fuel Pump Required ?
- TNC Tachometer
- OS 4 stroke silencer
- Magnum .91
- Thunder Tiger 1.20 PROBLEM ??? HELP !!
- What size brass tubing do average size tanks come with?
- kill switch
- OS 46 Clogged Needle valve
- Moki 1.35
- OS 91 FS (problem)
- St 3000
- Magnum XL 40A Problems
- Decision time: Saito 72 or YS 63?
- Determining in air engine speed
- MVVS 215 gas engine?Anyone have experience or knowledge on it?Are they good?
- Which engine YS91FZ or Saito 100??
- Scared man.....
- O.S. 46 fx Upside Down Mounting
- os 91fx muffler
- .40 Size P-51 w/FS.90 or 2stroke .90
- Davis Diesel Heads
- How to disassemble a GS45 Tigre and OS Surpass
- Using a Digital Tach
- Engine Cutting out.,.
- Saito .56
- OS91fs P is leaking fuel all over...
- Thunder Tiger 1.20 Problem....Help!!
- engine mount for mvvs 1.6 gas engine?
- K & B 35 outboard glow engine
- Saito 80 valve spring
- Saito 72 ran great
- Is it a YS 140 L or a YS 140 FZ
- Mecoa .46 ???
- Which version of OS .32?????
- difference? YS 120NC vs. YS 120SF
- Cox Tee Dee .15 (I think)?
- TT Pro 46
- Enya 4 sroke 90 won't full throttle
- A10 Perry pump
- MECOA 120 -Mag 120 information?
- Tuneing for dummies
- Bearing replacement
- Manual for YS1.2FZ
- MECOA engines any history
- Twin Glow Plugs???
- bigger bearing problem
- I'm Baffled (Irvine .53)
- Best plug for an inverted magnum 61?
- enya 50 cx engine
- Saito 120
- AP 15 Yellow Jacket Engine vrs OS 15LA
- Uav Webra Bully Engines
- O.S. BGX Test Reports
- Anyone have an idea as to how to turn a microswitch on/off with throttle servo?
- 4C engine maturity
- Super Tigre X .25
- OS 160 twin rpm
- Mini Tuned Pipe made by Irvine
- K&B .61 Twister
- YS45 Exaust
- Horizon - Fixed Saito in three days
- Can't find a CMB .45?
- Clattering and lost power in OS 70 FS
- Lanier F-4 ARF engine?
- Enya 90 4-Stroke (Remove Post)
- Gas for glow
- Brand new .46 fx
- OS91FS vs Saito91
- Ultra Sport 1000 set up for ST2500...or is it?
- New Magnum 61fs-clickity clack?
- part for pro tt 46 where?
- OS 50 SX rpms?
- YS .91 AC low speed needle valve setting??
- What pipe for OS 46 FX
- Super Tigre 2000 ring
- Saito 72 Low end
- ThunderTiger PRO 36H Prop
- OS 46FX with Tower muffler
- removing rear bearing
- YS-45RE vs Rossi 45?
- Partialy Inverted & Saito 72 vs OS .46 FX
- Where to get 1/2" prop reamer?
- Upside down OS70 4 stroke
- MDS 48 Saga
- installing engine bearings
- Engine cleaning advise needed.
- fuel consumption?
- Tuned pipe for ST61
- engine surging
- 3w24
- Four-Stroke Valve Clearance
- Saito 91 or 100