- Is this a fuel draw problem?
- OS FS61 Questions
- os40fp why would it spin off a prop
- Odd fuel requirements for Magnum 52 XLS
- Need help with Saito 180
- Boca's Ultra Seal Bearings ?
- sig norvel service
- Webra 61 Carb Dual Screw Adjustment?
- Question on Inverted TT Pro .46
- Help on saito 72!!!
- Saito 1.20 thread size
- Aviastar Engines
- OS 91 FX
- Webra Speed .50 on Tuned Pipe
- Nelson 0.40 vs. Jett 0.46
- Seidel Radials back in business! Spread the gospel!
- Opening the crankshaft and bearing.
- Tuned pipe OS 61FX??
- magnum xl91rfs question
- O.S. FSR 50 Needle Valve
- which 15 for SSC
- Y S ENGINE REPLACMENT PARTS
- engine cleaning
- Anyone ever used this "qiet pipe"
- 3 blaed prop and spinner SAITO .91
- mvvs 91
- Need muffler
- Newbie needs help
- I need help with bearing sizes
- Perry Pump backplate mounting.
- OS .46FX head gasket leaking
- H9 Four stroke glow plugs
- Perry pumps with 2 strokes engines
- O.S. .46 FX or TT Pro .46
- saito 72 dead stick help!!
- Opening up an engine
- Supertigre 2300 or TT 120 fro GP Gee Bee?
- Saito 180 with Perry Vp-30 pump
- A bit longer?!? What gives
- Irvine 72 vs OS 61 Fx, Irvine 39 vs OS 32
- MOVED: K&B Diesel fuel
- Inferno mp 7.5 sport GS21R Temp. Quest.
- Best .91 Budget 4 Cycle
- o s 25fx with jtec muffler
- Rusted engine.
- How do you avoid flooding?
- ENGINE SWAP---ANY MAJOR PROBLEMS
- Vmax .46 engines good or bad
- aftermarket cooling head
- changing nitro % and brand
- Will this slimline pitts fit.............
- prop for Enya 120R 4-cycle
- Magnum engines
- Saito 1.80 Help
- NEED HELP ON ADJUSTMENTS OS 61 SF
- .061 fuel tank size?
- WTB OS 140RX Cylinder Head
- royal-46 problem?
- fema on board starter?
- Info on MVVS 35
- GMS Engine ???
- Pitts style muffler for Saito 4 stroke?
- Enya 60-IIIB T.V.G-8
- Dave Brown Disc Lock. Does it work ?
- 3D prop for YS 61 long stroke
- Saito FA-80
- I don't know anything about engines
- OS Surpass 91 question
- OS 46 SF FUEL PROBLEM
- Broke needle valve... help!!!
- ST 3000 question
- Very Old O.S. MAX .49
- Glow Plugs
- Magnum Engines
- Saito 150 problems
- Saito 300 twin thrust
- How do you set the idle?
- Gap setting for a Magnum four stroke 80?
- Saito 40 New one, Which Spinner Nut Size?
- New OS Ultimate 70 four stroke
- 3D prob for Saito 1.50
- Saito 100 Idle Question
- K&B
- what propeller is best for Magnum XL 120 ?
- irvine .46
- SMT clutch bell question
- prop size guide
- Questions about my O.S. twin
- Norvel Big Mig .25 break-in questions
- Bullet Model 100
- Can A Saito 100 Spin a APC 15x8?
- Information On MDS 2.18 Please
- Magnum 40 XL idle problem
- OS FS-52S Exhaust Pipe Extension
- GMS engine ?
- Forte props
- TT46+Jett Muffler Quit at full throttle-HELP
- Are ASPs good engines?
- New Style of GMS 47 muffler from tower
- Fuel consumption: OS1.60FX vs. Moki 1.8
- Enya 35V Model 5225?
- os engines Vs mvvs,moki an other european engines
- MDS and Perry carb
- OS 160fx mounting on 72" ws Katana
- how much thrust does O.S. .4 engine produce?
- Banyam Engines?
- K&B 40 with Irvine carb
- ys110fz
- Is Tru-Turn safer than spinner nut ?
- evolution engines
- About header tanks and helos fuel setup on airplanes
- Header too short on Tower .75
- OS 46 SF
- Moki 1.35 to replace ASP 1.08?
- Norvel Big Mig .25 What Plug?
- OS FS40 parts (pre surpass)
- WHAT PLUGS TO USE WITH AME/BIG MIG .15???
- What's the best bang for the buck in a 1.5 plus or minus ci 2 stroke?
- Engine starving for fuel with cline
- Tower .75 / U-Can-Do
- Pitts Muffler for TT Pro 46????
- Os 40 4 stroke
- Advice Regarding 4 Stroke engine for a Sig Kadet MK II
- Super Tigre 61 General Questions
- .25's GMS vs. O.S. vs. Irvine
- Saito 80 inverted
- Header Tanks on Planes??
- Best petrol car engine?
- Saito 180 Good Vibrations........ Not!!
- Engine Version - New or Old??
- Help With Saito 72
- Sharing my fuel mixing spreadsheet
- 2 or 4 stroke
- muffler for fox78
- Thunder Tiger and Magnum 4-Strokes?
- Saito FA-80 GK
- Smoke muffler - Need to buy special?
- Anti-Freeze for cleaning engine
- Rossi 45 with Mini Pipe - Fuel/Plug Comparison
- .46osfx verses .50osfx
- webra 3.5 glow star
- Engine Question
- OS 40 LA
- OS Wankel vs. 4 stroke for top Flite DC-3
- TT 46 Pro - Loose low needle?
- Saito .91 - Saito 1.0 or OS .91?
- Saito91 muffler
- 91 Saito, fully broken in, best fuel???
- exhaust sealing
- Flooding Inverted ST2500
- Questions on Selecting an Engine
- Newby Question - day to day pros and cons - 2 stroke vs 4 stroke
- flame outs
- OFNA P4 .21 Piston Orientation?
- 3 blade for a saito 72?
- 4 Stroke same dimensions as 46fx?
- prop size?
- saito 300T vs G-45 gas
- HB .12?
- Need OS 45 FSR Gasket Set
- MVVS 49 4-stroke cycle mode
- OS BREAK-IN, CALLING ALL EXPERTS!!!
- YS .91 Question
- O.S. 1.20 Surpass Question
- O.S. Surpass 91 w/pump-its now toast
- TT Pro 46 Thrust Washer Removal
- Fuel consumption
- how to burn excess fuel at end of day?
- Webra 80 fan engine
- OS 46FX Performance Increase
- Sig LT-25 with an OS FS30.
- what do you think of the os .46 la??
- Some positive Super Tigre comments.
- TT Pro36 for Heli
- aviator engines
- Irvine Engines
- Reducing engine noise at home
- slipping pull start
- Calling All K&B 65 Sportser Experts
- o.s 91 fs pump
- ys53 is not running help
- TT 42 GP carb retaining bolt?
- Cox TeeDee .020 throttle sleeve
- ENYA 90-4C
- what is the worst that can happen with ys 140dz with this fuel?
- Air bubbles in OS 40 fuel lines
- Expert On-Board Digital Glow Driver
- Dead stick w saito 72!!
- Engine hesitates a bit.
- Is there a formula??
- Prop Choice?
- m.v.v.s. 45 crankshaft
- generally most powerful engine brand
- trx 2.5
- Saito FA-72 Crankshaft
- MDS 2.18
- Inverted 4-Stroke
- How do I adjust low end setting?
- Urgent
- Tower Hobbies engine problems
- TOWER HOBBIES 46 OR OS46 FX
- TT91 kicks prop off
- Mufflers for satio 90T
- flame out
- Best Plane Cleaner for Castor Based Fuels
- No Line to Muffler / What to do with Fuel pressure line?
- Thunder Tiger .91 Four Stroke
- My First YS Four Stroke-WOW!
- MVVS 40 GFS/R Exhaust Bolts!
- Motor for the SIG Kadet Senior
- Idle question
- Anybody using a Gemini 1.6 carb on a Magnum 1.60 twin?
- what 40 size engine to get?
- HP engines
- Saito 1.20 or 1.50 vrs Saito FA130 Twin
- inverted os 46 fx
- Could I have bought 5 bad glow plugs?
- Tartan 77 twin
- Any glow plug manufacturers to avoid?
- The synthetic oil used in glow fuels is the normal one?
- Weird mixture problem
- can you put a remote glow fueler valve in a YS 140 DZ?
- Whats a Saito 100 w/Slimline Invert Pitts Muffler look like?
- WOOD OR PLASTIC PROPS FOR BREAKING IN A NEW ENGINE?
- O.S. 91 FX Solutions
- Saito 72 on 30% nitro, is it worth it?
- Repairing a engine head
- MDS 68 muffler baffle
- HELP SAITO 2.70 ENGINE MOUNT?
- no mid range on OS MAX .91 FX
- Spinner size for Saito 1.20
- Taking advantage of 72, big prop?
- Saito 40 or OS 40?
- Where does OS rate on the food chain
- Royal 46 Trouble
- Fox 45 & 46 BBRC lube
- Maggie 40 XLS or T.T. 40 Q 500?
- Novice glow plug question
- TT Pro46 fuel questions
- Seidel ST 770 Radial: Help Needed Please
- gms 75? better than os fx?
- This Dummy Needs Engine Help!
- Trouble on the brake in; Saito 90T
- O.S What does it stand for.....
- O.S. .61 SX-H Heli Engine HEIM Mechanics Question
- Saito 91 Muffler Problem
- How much does the MDS 1.48 weigh?
- O.S.Max 40 model FP??
- os 1.20 surpass--to tap or not to tap..
- OK MDS Fans and Experts