- Ys 110
- Fuel tank position
- F120 will not lean
- YS 50 question
- YS Service
- YS 91AC plumbing?
- Old YS 120 - where to drill the hole
- 170 dz
- YS 91 & 110
- 160 DZ
- How to change throttle arm position ?
- YS FZ 110S Propeller
- YS 110 S fuel system
- YS Performance file
- camshaft timing on ys 140L
- camshaft timing on ys 140L
- 30% heli fuel
- using an FZ63s regulator for the FZ110
- valve ys160DZ
- YS-140 FZ idle issues
- YS 160 starter and mount
- YS Check Valve Bouncing On Head
- YS 63 FZS breaking in
- First throttle up (tank pressurizing) leaning on YS63
- ys 110 pinch test
- ys 110
- Gone until June 11
- another 110 with problems
- YS 140DZ, gets no fuel
- YS engine mount
- Dingos - Routine Maintenance
- Differences between 140-sport and 140 DZ
- YS 63 S
- 110 Loading up
- spare parts
- swapping mufflers on 140 and 110 OK?
- YS 120 NC
- .63 Question
- engine ys 63
- YS engines exhaust less oil?
- YS .63 high idle issue
- YS 60 for pylon racing
- YS160DZ Rocker Valve gap
- 140DZ fuel consumption
- YS160DZ: Chaning the crank shaft.
- Nitro Up - Fuel - Where?
- YS 63 and OS .55
- Y.S. 170 power comparison question
- 110 FZ wont hold rpm
- gas ported a 53
- check valve
- RPM's on the 110FZ
- ys 110 muffler
- YS-120 Plumbing
- fuel for 1.10fz
- More 110 Problems
- routine maintenance question
- Attending an Event, will return 5/21
- Presumably Damaged YS 63 S
- Ys 140 difference between the fz and dz
- 110 Diaphragm and Exhaust help
- Magnum #2 in 160DZ
- YS .63S prop for high speed
- F120
- YS60FS
- operating recomendations
- header nut
- Happy with YS service
- 110FZ Messy
- How to tell if you need new bearings
- YS-110 Storage
- YS 110 will not idle inverted!
- Fuel Question about a YS 61 ST2
- Muffler Pipe Thread Size
- Wild Cat Fuel for YS Engines
- Needle Settings for YS .63FZ-s
- 110 Mid-Range
- YS 140L
- YS 1.60 3B prop
- YS 160DZ SETUP
- 110S
- YS 149 FZ
- YS Mount
- ys 110
- YS 140 FZ - Valve Adjustment
- New 160 DZ - Excessive oil
- YS 160DZ nitro
- YS 160DZuel
- YS 120F
- YS 160DZ Prop F3A and 3D use
- My first YS 160 DZ
- YS 63 problem
- 120 SC
- YS63FZ fuel Labema
- End of flight procedure
- YS 120
- ys 140 not running right
- Wildcat Youngblood Performance 30 for the YS
- YS Engine Physical Sizes
- YS110 will not throttle up
- Newbie Break In Confusion
- Valve adjustment...uh oh...
- Fuel changes
- ys 1.60
- YS .61LS Exhaust...
- Gone to a contest return on 4-15-07
- FZ 110 fuels
- New YS FZ110S
- ys61 header
- New YS 110 Full Throttle Trouble
- diference 140fz and 140 sport
- YS 110 dripping
- YS 110 that vibrates much
- YS 45 FS
- Bad flat spot at ~1/4 throttle on 1.10
- Help Please. YS60 disassembly question
- .63FZ Was Low On Compression
- DZ 160 Exhaust "Pop"
- 140DZ for a 73 Somenzini Yak
- YS 110 FZ Vent and Fuel Hook-up
- YS 110FZ Questions?
- YS 140 Sport prop dilema
- YS 63FZ Problem
- YS 140S Prop
- Check valve in vent system
- Broken 1.10!
- .45 regulator parts?
- 110 problem
- YS 63 FZS prop
- ys 45 help please
- Some questions about 110FZ
- What YS do I have?
- ys 110
- YS-140FZ Plumbing Diagram?
- YS .63 S
- YS160 Cuts
- Need some simple help with YS 140 Sport.
- YS 45 tune up
- Trouble running after sitting up
- Problems with new 160DZ...
- YS Engine mount
- YS 63 - Carburation advice requested
- Need YS Advice!
- question about fuel?
- master airscrew 16x8 3-bladed prop too much for 120 sf ?
- 110FZ - Does this sound right?
- Torquing screws do or don't
- FZ 91/110 Bearing Removal / Installation
- Dz140
- 120 ac diaphram question
- Information.......
- Gone for a Couple Days
- 110 tuning question
- FZ91 Crankshaft Replacement
- Questions on YS 110
- YS 110 Fuel and Such
- 160 DZ head trouble
- YS63s - cam timing
- YS FZ110 Break in problem
- YS 120 identification
- YS1.60 that refuses to start.
- truturn product
- Idle & Fuel level
- YS 63 Barely runs?
- Alternate fuel for YS 1.10
- YS engines and Mobil 1 as after run oil
- YS160DZ thread
- 160 DZ pump presure
- YS 140 FZ Starting problem
- YS 140 FZ Starting Problem
- stripped threads on exhaust port
- CrankCase Pressure on a YS 110
- DZ 160 READINGS AND MODIFICATIONS
- YS110 sluggish transisition
- YS Decals
- 63S valve adjustment how-to
- ys 45 se
- YS91 needs a new sleeve
- YS FZ110 Backfiring Question
- Need help with fuel dripping and lean outs caused by air in carb line
- Where to order parts from??
- YS troublesome?
- H
- 3 Blade for the 110?
- Still having issues with my YS 63FZ-S
- Unavailable until next week
- YS110 FZ - Will Not Idle
- YS 45fs Muffler
- Need YS-120 F NC settup help
- YS-120,Seems to be surging
- no compression new 140fz
- 160DZ Regulator Question
- the instructions ys
- suitable 3 blade prop for a 140-sport
- Ultrathrust??
- YS logo's
- YS 63 FZS issues.... help needed
- Where to buy a YS61 ST2 heli engine
- YS 110 break in question
- With 30% of nitro...whichever % of oil???
- '56' F1258 Throttle Stop Screw "ys63fz"
- YS 110 = power
- Bearings of the YS
- YS 45 and glow plugs
- 140 Sport
- 63S Startup pressure issue
- 160 injecter
- My 110 died, no warranty from my LHS:-(
- Prop for YS63s/Reactor of GreatPlanes
- Exhaust Deflector for YS 110??
- YS 140 DZ Tuning
- Getting Confused here
- Model Number progression of ys 1.20's
- YS 140 DZ problem
- marine 4-strokes?
- Thanks, Troy
- YS 63 fuel leakage!
- Prop for YS 110/Funtana 90
- Straight Pipe for FZ110
- After Run Oil
- glow plug YS 110
- Sticky Horse Power
- Sig Heli 30% Good or Bad?
- New Forum Answer guy
- 16-7 APC for 110
- fuel for YS 110
- ys 110/extra 300
- Dave Shadel no longer answering ? on this forum.
- YS 120 Problem
- Info on break in...
- Rebuild
- 110 Exhaust
- YS Decals
- YS Header Pipe and Muffler
- YS Parts and Service Web Site
- Parts for YS .61's?
- prop size
- hyde mount
- Regulator and valve adjustment
- YS-63 for twin?
- 140 Crankshaft question
- Dave, can you identify this engine? And do you have a manual for it?
- YS61ST2 and prop?
- Thanks
- Motor Mount Question
- YS 63-S and 160DZ
- 53 fz
- question for Dave Shadel,
- what to check after storage?
- YS-140 Sport Prop Selection????