- YS Engine Dimensions chart
- F-91AC question for Dave
- 63FZ Help.....
- YS-63FZ spare pats.Where?
- YS 120 SF vers YS 120 AC
- YS FZ63S regulator problem
- Running Settings 63FZ
- YS 63 FZ s setting
- YS 63 Valve clearance
- YS 110 8mm prop shaft thread Pitch??
- YS 63 Fuel?
- Dave Shadel
- What power to use, ME-109
- YS 160
- 63FZ-sport
- 140DZ good or bad
- Early 120SF crankshaft
- YS60FR running issues
- YS80 Factory carb settings
- YS 170
- YS 120 F Disk Valve Clearance
- New YS 63 Specs. ?
- ys 140fz plumbing
- 140 Sport questions.
- Regulator Ajustment
- YS 63-S Compression Down
- Crank case getting hot on ys .91fz
- YS-120 NC help
- YS 63 HELP
- Thanks!
- Presure regulater locationYS 63?
- YS 63 Leaking
- Exhaust timing YS60FS and YS91ST
- castor lube new engine
- ys 110
- YS 63 regulator
- YS 120 Muffler
- 140 sport
- new ys 110
- 140FZ VS 140DZ
- Original YS-120? YS-0070
- 120 FZ Screw in backplate hole fell out
- need BIG TIME HELP
- Bringing a low time 61-S back to life problems
- Brabd New Ys 100
- FZ110, 3 blade prop size?
- YS 63 FZs plug
- YS 110 problem - HELP!
- Rocker Arms Replacement?
- Happy new Year 2007
- need info on 45 fs
- 140DZ VS 140Sport
- 110 idle problem continued
- ys 110/extra 300
- What is the prop nut thread on the YS 45FS
- 140 FZ Cam Cover Removal
- Rough running YS-61S
- ys 110/extra 300
- New YS FZ110 Problem when inverted
- YS91-Prop Sizes
- New YS 110 coming out ?
- 160DZ Idle
- Once a year a message which is Not a problem...
- ys 45 fr info
- Muffler choice
- Rich setting
- YS FZ91 prop nut / jam nut torque?
- YS 1.40L Valve Clearance
- New YS110 Low compression...
- YS45 & YS120
- YS 110 problems. Help!!!!
- 140 Sport coming in for service
- Thumbs UP YS .63S on a warbird
- 110 finally running
- How do I tell the difference between 140fz and 140L
- ADDRESS FOR YS SERVICE
- YS 120AC Thrust Washer
- DZ Pump assembly
- DZ 140
- 120-NC part number
- YS 120SF Exhaust Valve sticks
- ys63 3-blade
- Santa came early!
- YS63FZ-S regulator
- YS 110 height
- Update on the muffler on the Mayhem...
- YS91 Manual & YS53 question
- YS-120F engine
- Tank Preasure
- YS-63S for Pilot Seduction Freestyle
- MOVED: ys 140 sport and yak
- Air leak in YS 91 AC
- YS-45SF header
- 140DZ Disassembly... HELP PLEASE!!!!
- YS .63 questions
- YS regulator
- YS 110 break in
- ys 53
- YS 1.10 in new Funtana X100, Amazing!!!
- my .63 only needs about 2 seconds of pressurizing....normal?
- YS-110 Loads up at Mid Throttle
- DZ160 question
- Need help with new 140 Sport!!
- Mayhem photos
- YS-63 Help
- YS 110 Oil content ?
- Why high nitro for YS Engines???
- YS F-1.20 Manual
- New YS-110 Lean after half a tank?
- YS160 muffler
- FZ-140 plumbing - extra fittings at back
- Custome Exhaust for YS 110
- How to unstick a sticking regulator, YS63?
- FZ110 Regulator
- ys 63 problme
- YS 60 problem
- Working on a YS engine myself....
- YS 140L SURGING AT IDLE!!!
- YS160 First start problem
- Using a starter
- YS 63 FZ S plug
- ys63fz
- Warranty question
- YS .61 parts?
- YS 160 wont peak
- Scale Muffler YS63FZ
- YS 160 PROBLEM
- RPM Limit
- 63FZ with 13x6
- YS 140 Sport Tuning Questions
- 140 sport
- Idles great but bubbles flowing .. YS 110
- transition question on the 110
- DZ 160
- YS 110 idle problem
- breaking in problem - fz63
- YS110 fuel lne has bubbles in line past 1/2 throttle
- Exhaust valve carbon
- instruction mannual for the YS 110 FZ
- ys 91 fa
- different fuel for YS91
- New YS FZ 110 S
- YS1.60 back fired now won't start
- new prop for YS 1.10
- YS Motor service Dave ??
- Wich YS engine for a 11-13 lbs plane?
- YS 61 on the pipe...prop?
- YS 140L
- What motor mount for YS140 Sport?
- YS 110 lack of respond
- YS 140 s problems
- Future of Yamada Engines
- What YS do I need?
- YS 120SC problem
- Run out of adjustment on 63 FZ-S
- Can't get YS 110 to idle well
- ys 63fz
- engine manual
- YS 110 fuel coming out of carb
- Cool Power 30% vs. 30% LS
- regulator vs idling adjusting for YS61
- Old 1.10 Problem
- 140DZ Idle Problem
- service time
- YS.45 Rear Exaust Tuned Pipe
- Explain---have some noise( knock) YS-63FZ
- YS 120 SC?
- YS 140L in a Balsa USA Nieuport 28?
- YS 63 and a 14 X 4 APC
- YS-63s Applications
- YS110FZ, crackling noise??
- YS 110 updated?
- YS .63s 20% to 30%
- foaming fuel on 110
- YS 110 RPM
- Regulator screw on YS .63s
- YS Decals
- Tappet clearance adjustment for YS-140s
- YS120 sc vs ys 140 sport/140l
- YS110 questions
- thread size for the prop nut YS61AR
- YS 110 new regulator
- Where is the best place to send a YS 140 to get rebuilt
- new 1.10 is sweet
- remote fueling setup for FZ110
- Ultra Thrust for .45FS?
- YS FZ63 trouble
- YS 160 fueling
- YS 91 problem
- YS 45FS
- YS 63 -S
- I'm breaking in my new 110
- castor and 4 strokes
- Misc YS questions
- YS53 Parts
- YS 140 sport is cutting out.
- Thrust #'s
- YS 91 AC
- YS 140 Sport starting advice
- Newer YS 110 regulator question
- 140DZ Muffler Recommendation
- YS140 S Break-in
- Best 120 YS
- YS 63 prop for break in
- RPMS/Prop for YS 160DZ
- 1.40DZ - What Bolly prop for IMAC and 3d?
- YS 53 FZ feedback needed
- YS-140 Sport Engine Transition Problem
- YS91ST
- DZ 140 check valve??
- ys fuel
- 63-S fresh out of the box
- My 110FZ history & question
- Test
- Diaphram for ys 61ar
- YS 63 FZS consumption
- prop for 3D with a 1.10
- YS Engine oz/min?
- 61ST2 won't start
- .91AC & .91FZ Needle valve compatibility
- YS 110 drive washer "stripped"
- YS110
- apparel and decals
- 110FZ Regulator Retrofit?
- 110FZ
- When to replace piston?
- 140DZ Idle Trouble
- Carb fuel leaking- 110
- YS 63 FZS prop
- YS110 conrod direction
- YS140 idle problem
- YS 110 runs lean on idle
- Prop Size??????
- Can my YS110 be serviced in the UK
- 91 AC versis FZ
- Why did YS stop making 2 strokes for airplanes?
- Y.S. Valve Adjustment
- Ys engines and nitro %
- Gotta Love that little powerhouse
- 63s regulator
- FZ110: new or old regulator?
- 1.40 Prop size
- spanner size
- CF Prop
- routine flame out of YS110
- used 91 AC
- 140DZ and a Tettra Tank
- YS 110 FZ Reliable???
- Valve clearance and tools for 140 FZ-Sport
- Install connecting rod ?