- YS63 slows down
- Congratulations to Team YS
- ys110
- YS 91-AC idle
- YS 110S crankshaft
- Rethreading shaft
- 110 air effects
- Valve cover
- DZ160 Fuel Clunk
- ys fz 110-s in stock any where anyone know
- YS 170 HP
- Ys 110 Air chamber leaking?!?!
- Ys 110 valve cover gasket?
- Bad front bearing?
- Mid range problem on YS 91FZ
- YS FZ110 tuning ???
- YS DZ160 pumping air & fuel
- SPA engine options
- ys 110fz overheating
- CP 30% HP heli for break in?????
- ys110s or ys140
- Winter storage
- Simple question about YS 110
- Ys 110 prop rpm
- YS 110 weight w muffler
- Ys 63 FZs
- YS 63 FZS
- rebuild off a DZ 160
- YS 45 not picking up fuel
- FZ 53 setup and run issues
- YS 110-S
- Just wondering
- Q about YS 1.10
- New 110 with pressure problems! wont start
- YS 110 weight w muffler
- YS casting quality of 1.40 Sport
- YS 110
- Castor oil and YS engines
- YS50st problems
- YS 1.20 NC
- YS 1.40 prop choices for 72" 10 lb Aero works Yak
- YS110 prop for speed
- ys 45 basic question
- YS50 ST
- Does pressurized tank overcome attitude?
- 110fz reassembly help
- YS160DZ Cutting Out
- Air Filter?
- Raw Fuel
- Throttle Barrel seal reapair on a YS 63
- YS 63 valve adjustment
- 120 SF Prop Choice
- ys 110 possible pressure problem
- YS fueling
- Idle
- where to buy used parts for 110fz?
- YS140 FZ prop
- YS 110 fuel consumption
- Ys 140dz muffler
- FZ110 fuel issues
- Cool Power for YS
- YS 110S?
- Fuel tanks
- YS 63 question
- Which Dave Brown mount for YS 1.10?
- Prop Position
- YS 1.10 crankshaft size?
- 110 idle
- YS 110 High End Set Screw Thread
- New flat YS45 diaphragms?
- YS 63 FZS RPM
- inverted YS 1.10
- Need YS120NC Help
- 140l quits when idling down
- Thread size for YS160 DZ prop nut
- Where is this site at now? www.ysperformance.com
- YS50st has lost compression, send it in?
- YS 140 DZ Timing
- Starting the 160DZ
- YS91AC gas port mod
- Ys 110 throttle barrel tight/binds
- YS140 Manual
- YS 160 Prop size????
- YS 110 regulator retrofit
- seized 1.10 FZ
- I have a problem!
- ys 110 won't start
- YS service team
- YS 140 wont start?
- FZ 110 idle
- YS 1.10FZ - Clean Up Help
- Fuel flow in YS 120
- Can't start YS engines
- YS 63 S Fuel Consumption
- Trouble with 1.40FZ and 1.10FZ
- NMP Velocity stack
- 170 problems
- Header for 170
- 160DZ Cam
- F-120 idle adjustment
- new FZ110-S more power?
- FZ110 idle of course
- YS110FZ inverted / upright
- YS110 or general YS question
- YS 120 first start up of the day
- glow plug heater
- 110 parts
- YS 140 Sport help
- YS FZ110 continues vibrating!!
- YS DZ160 LS/Pump setting
- New 110FZ advice
- YS60 needle valve socket
- YS63 new engine running issue, help needed.
- YS 63 FZS repair
- YS 63FZ S
- YS 45 RPM limit
- YS 110FZ tunning problem
- Regulator question Ys 63 FZS
- YS .91AC Issues
- Recommend a 3-blade sport prop for YS .91FZ
- YS 140 FZ pressurization
- Tappet Clearance Adjustment
- YS 63 FZS rich setting
- YS 60 FR prop?
- Hatori 821 mount for YS 160DZ
- YS FZ120 RUNS RICH IF LEANED OUT STALLS DIES
- New YS 1.10 Leaks Fuel at Throttle Valve
- 110 FZ S
- 1.60DZ Very touchy nv setting
- Remote Glow Adapter on Inverted YS
- YS110 cracked crankcase
- 140 L leak
- YS 45FS needle valve extension?
- Possible Air Leak in YS53 4-stroke
- YS 45 Exhaust Dimentions
- 110 Idle
- YS 110 low comperssion
- ys 120 sf.... rpm at WOT?
- Just got home
- Dear YS Parts & Service
- 160DZ - Fuel Draw Issue
- pistons-are tight tolerances a must?
- YS F-120 stops with A/C in roll or knife edge
- reinstalling intake/exhaust valves
- quick question on 140 sport
- GREAT SERVICE
- What engine mount to use on inverted YS63?
- YS 91 trouble after crash
- YS 110FZ Inverted Problem
- YS Performance Service
- YS160DZ Fuel Draw Problem
- YS 110 fz ????
- YS 170
- ys11o nose up trouble
- YS Parts Availability
- Changing Fuels
- Fuel Injected YS1.70 ?
- YS 110 Muffler Loss
- Pipe for YS 160DZ
- YS-140L tuning
- Bubbleless fuel tank with the YS 110
- YS160DZ power down and a lot of oil
- YS 110 Sleeve
- DZ pump parts
- ys 110 prop size
- YS160 Problem
- ys 110 Diaphrgam
- Ys 110 - working temperature
- YS After run oil
- 140 fz issue
- Which fuel for 1.40fz-sport
- ys 110 presure problem / engine dies
- Sending in for repair
- 140 L running lean
- YS 1.40 FZ Won't Keep Running
- YS 120 Gas Conversion question
- 3D Prop for YS 1.40FZ
- Seperate DZ140's disc valve
- YS Service Phone Number
- Status of my engine in for warranty...
- Cracked piston. Why?
- Ys 63 FZS losing power
- New Ys 63 s over heated
- YS-110 help
- ys.45
- Running YS110FZ without muffler?
- Need help-120SC regulator
- 63-S Fuel spraying out of carb?
- YS FZ 110 Prop Nut Thread Size
- YS 53FZ running problems
- Dingo Setup Questions
- YS140L gets rough at idle
- Central Hobbies Big Hub
- YS 1.10 idle help
- YS .91 Questioms
- pressure pump fuel
- How well did your YS run after sending it in for service?
- YS 120 cyl sleeve removal?
- Splitting Fuel Tanks
- YS 120SF Regulator
- POwermster DZ 30% fuel
- Fuel Tubing YS
- YS 63 Problem
- YS 110 Midrange Adj
- How smooth should a FZ63 idle??
- After run oil
- YS Dingo Break In
- YS 63 compression
- FZ63 Exhaust
- Setting up the idle YS SC 120 -- Help
- I have a YS 63 that surges at idle
- Need Diagram for 140FZ
- YS 140 muffler keeps coming loose
- YS 1.10 FZ Rod Breaking
- YS 45 FR leak....
- Anybody home at YS?
- YS60 plunger
- YS 63 Diaphragm, How do you open regulator assembly?
- 120ac question
- 140 Dz prop
- 140 dz valve problems
- Gone on a trip Until 24 July
- Idle problems with my 140 sport
- Think I got a lemon...
- YS FZ110S won't stay running...
- YS velocity Stack
- YS FX 110 idle troubles
- YS .61S thrust washer?
- ys 140 sig extra 300xs
- YS110 FZ Front Bearing Oil Seal
- YS 140 DZ Fuel Delivery System
- YS 61 AR Manual...
- ys 110 idle surge
- new to ys and new owner
- YS 110 Running Backwards
- YS service response and repair times?
- 160DZ Crank End Play
- starting 63s
- another 110 FZ
- Sudden loss of compression YS63S
- 140 Sport transition problem.
- Ys 160 DZ tuning
- Attaching an exhaust deflector
- Oil for dingo 140
- New YS 110 FZS
- DZ160
- YS 63S problem at high rpm's
- YS50 Heli Engine Availability?
- 140DZ
- YS 63 FZS No throttle response