- Where to order Saito parts and service.
- YS 63S
- OS 46 AX running great
- OS Hanno Pump Parts
- 4-stroke engine valve sounds? HELP!!
- ST 23 repair
- engine cleaning
- Tuning the ES pipe on a Webra 1.60
- RCV90 Running in (starting) problems
- where to get thunder tiger 4 stroke manual?
- why can cause my magnum 91 4 stroke to die at half throttle?
- YS 91 AC Which prop?
- Thunder Tiger GP 42 Cylinder head
- I need a whole lot of help!
- Noel Jensen engines
- Evolution 46 more RPM
- 46fx & tuned pipe?
- Does braking on down lines make engine die?
- Proping Saito 180
- OS Carb for Magnum engine
- Saito 82 vs ys 63
- Performance Specialties Backplate Mount
- Strong .40-.50 engine
- do i need a tachometer for a 4 stroke engine?
- Enya 80 X Two Stroke
- Tuned pipe and Header
- Magnum .61 XL MK2 V's SC .61
- Saito 1.20 prop reamer
- O.S MAX - 46SF Mixture control valve problems
- Help with OS 40 FX idle
- perry carbs?
- Where should I purchase a remote needle?
- How should I take apart an ASP46?
- New OS91FX???
- Good Customer Service (Enya)
- Irvine 1.5
- Norvel .061 prop shaft broke
- Where to find best deal on YS engines?
- I need some basic info. on Enya .29 engine.
- are fuel regulators worth it?
- O.S. .32 SX-H Rebuild
- Magnum .70 4-stroke
- Muffler bolt pattern chart?
- 1967 0s 80 dual glow plug
- YS 45 muffler help.
- Saito 82a it's here!
- Glow plug current draw....
- Which is lighter: the OS .15 LA or the AP .15?
- YS FS91AC
- O.S. F plug in SAITOS?
- Saito 72 idle set screw
- Can you burn up an Enya 4-stroke?
- supertiger 60 prop 3D
- Irvines Who has the best price??
- Slimline Muffler for Saito 180
- OS 15 CV-RX Hot start problems
- rcv 4 strokes for B-17?
- MDS 148 STARTING PROBLEMS
- YS 120 FZ Replacement
- Glow Plug Coil
- OS-46FX & OS-46LA Same muffler?
- k series 4 stroke prop
- OS40FS
- O.S. EFI??
- 4 stroke muffler keeps coming loose
- os 91 4 stroke
- Slimline mufflers dimensions
- What Spinner for TT F91S?
- My first OS, leaves good impression.
- .61 engines
- why?
- O.S. .50 SX vs. Irvine .53
- OS Max 90 Muffler
- Engine Cleaning
- Irvine 39 heli engine runs very hot!
- Saito 100 & 13X10 APC Prop?
- Saito .72
- Big Block glow engines- which one?
- ST 2500 quits when punched ?
- magnum xls 32 anybody owned one
- Wanted-Reliable .91 2 Stroke w/ Pitts. Possible?
- 4-STROKE VALVE ADJUSTING QUESTION
- Are Super Tigres any good?
- Noise: 4-stroke vs. Electric (.30-.40 size)
- muffler pressure to keep a 4 stroke running?
- Irvine 53 - cylinder head leaks.
- Engine tempereature? for .46 size type?
- How much voltage can Sullivan starters take?
- Need OS 1.08/90 carb! for MDS 1.48
- Easy starter?
- Mixture Carb (MC)_What is it
- Broken Muffler- Magnum 61
- MDS 78 & Perry Carb ?
- Saito 100 Idle Question
- Any 4 cycle pros?
- New Magnum XL 61AII Powerfull but...
- Best Prop For MDS 78
- Magnum XLS91 Two Stroke
- Saito 180 strange noise-valve cover full of oil
- Looking for the best high performance .50
- Saito's don't have BB's ?
- Counter-rotating crankshafts for OS engines?
- Hatori dealer?
- MDS 2.18 glow engine
- OS Max .80 Rear intake
- .46 2 Cycle Recommendation
- Saito 180
- Almost working
- Too Rich....Too Lean...Just Right!
- rebuild 4 stroke ?
- carb tuning saito 56 for FAI fuel - need help
- Tank Venting - 4-Stroke Engines
- K&B 48 abc
- PRECISION EAGLE 4.2 ON GLO
- OS FS 70 Ultimate
- Thunder Tiger junk
- question @ supertigre 3250
- Irvine engine problem solved
- Backplate perry pump removal?
- How do you make a Saito 72 muffler stay put?
- Magnum gp 40 parts
- HELP with tank/carb unequal height!
- OS .46FX & .46AX..what's the diff?
- Leaking engine
- mounting instructions for a older Perry Pump
- correct oil percentage for OS
- FOX .15bbRC
- NORVEL .074 PROP SELECTION & WEIGHT
- Saito 56 vs OS 70
- prop for ENYA CX50
- How to make Saito 180 needle adustable through cowl?
- Magnum 52XLS Owners Please Comment
- Saito 300T vs TL?
- More Engine parts compatabiltiy ?s
- OS Surpass .48 FS Cam Timing marks
- loose needle valve suptertigre/como .51
- Saito 91 Exhaust Hole Damage
- Slimline Pitts vs. "Large Volume" Pitts?
- ST2300 Disassemly procedure?
- OS .61 MAX SF Problems
- saito 91 break-in?
- hangar 9 freestyle smoke system
- do i need a pump for a 4 stroke
- Marine engine in the air?
- Why is magum 91 4 stroke so underpowered?
- 20% oil need for SAITO?
- I'd Like To Find A Cox/RJL Conquest!! FOUND ONE!
- saito 1.20 prop, spinner
- Starting engine for first time
- Enya ... 80 X two stroke?
- enya 46-4c
- How Long?
- Saito 150 Needle setting?
- saito 100 t vs os i60 twin
- Magnum 52 XLS vs SuperTiger 51
- About nitro percentage.
- OS .46 AX inverted problem
- Satio 1.80
- Magnum 52RFS 4-stroke
- Magnum 91 Four stroke Thread size?
- I need a good .61 engine!
- Saito 150 muffler
- Broke in my Saito 180 today - RPM numbers
- GMS Engines
- 4 Stroke Newbie Needs Some Help w/TT F91S
- Saito 100 Idle Seems Rich
- Basic operation of motors....
- MVVS 49 Break In / What prop?
- MAGNUM .91 O RING SIZE?
- Rubber Muffler?
- NMP Muffler for YS 140L DP Ultimate
- OS 120 III pump recomended RPM's
- What did my 50SX consume?
- magnum engine que.
- Problems with Enya engines
- Do 4-strokes have a quick idle->full transition?
- OS 90 max FSR
- Strange noise from Saito 1.80
- Thunder Tiger TT Pro 46
- ST 23 repair
- Two clunk tank for Saito 180
- Magnum 120-4 muffler question.
- Wide open throttle
- MAGNUM 4 STROKE PROBLEM....
- OS 1.20 w Pump vs Saito 1.50
- Where to find nitro?
- Problem with OS .40LA
- .15-sized engines
- 4-stroke newbie, need help
- More engine problems. Help!
- O.S. 40 LA - quits in mid-air.......
- What about the YS F-120 SuperCharge??
- Saito 5 cylinder Engine and world models gs zero
- OS .46 SF engine info
- Engines?????? Help Please
- Saito 100 spinner
- How to adjust low end on K&B .40
- SUPER TIGRE GETS a AAA+++++
- semi-sweet saito .91 (continued)
- Dynathrust propellers, good, bad?
- What propellers do you use on your 4-Stroke? and why?
- saito 100"overflow" question
- Which 4-stroke brand for new UCD .46?
- Busted up my Saito 100 ...suggestions?
- GMS engine problems...... GARBAGE
- Enya 155R 4-stroke w/ Graupner 3-blade 16x8
- Feeler Guage For Valve Adjustment
- Evolution .46 Dimensions
- Glow Plug Color
- saito 60 twinn for nosen 65in champ?
- nose high flameout
- Saito 100 with too much power!
- Saito Idle down
- Who sells ASP 4 strokes in the USA
- Removing Irvine crankshafts
- Saito120 Help
- Tuned Pipes
- YS 61S
- Parts Compatability Between Different Engines?
- Saito 200Ti break-in issues
- MAGNUM 91-4ST WARNING
- MDS 58 weight need to know asap.
- Super Tigre G .90 Glow Plug
- Saito 82?
- iron piston fox 45's?
- MAG 52XLS-PITTS MUFFLER
- Magnum 75 with MVVS carb.
- Irvine engine problem update
- 91 Surpass smoking too much.....
- Thoughts on fuel for moki 210
- THANK YOU BILL ROBISON!!!!
- YS 91 4 Stroke Any Good For 66" VF Extra?
- Tuned muffler for OS61FX
- 1.60fx flameout question
- *SAITO 1.80 VS. YS FZ 140 SPORT* INSTALLED IN A DAVE PATRICK ULTIMATE BIPLANE*
- Timing OS61 RF-P
- A question about Magnum 91 4 stroke?
- Tightening a cowled 4 stroke muffler.
- GMS Engines
- Old .61 OS MAX-H Gold Head - make muffler?
- YS 120 Prop throwing problem
- Moki engine parts
- OS 46 AX prop's
- OS .46 AX Muffler flyoffs!
- Screw size for 40 size engine
- Saito 72 - 90* Bend for Muffler Pipe
- Saito 180 no pump solutions? HELP
- K&B 7.5 RE ducted fan
- twin engine for nosen 40 champ?
- Saito 72 Crank Breather