- YS 1.10
- I am the Mole!
- YS .91AC tired and not responding
- DZ lost compression
- 0.63 & 1.10 fuel, crank, and bearing questions
- Woodruff key for YS61
- YS 91 AC parts?
- YS-110 Drive Washer
- New YS-140 Problems????
- Tuned Pipe for YS 91!
- YS 61 ST-II question
- YS63 & YS110 Temps
- ys 120fz
- YS110 exhaust upgrades?
- Ys 110 Fuel?
- 3D prop for YS120 A/C?
- Not getting fuel
- ys 110 low end tuning
- 140L carburetor gasket
- Official Dave Shadel Thank You Post
- Ys 110 putting it in my Funtana 90
- YS 80 Heli Engine
- YS 63FZ on Wildcat 20% Heli?
- Carb Body
- odd idle characteristic
- YS63 Fuel feed problems
- Pitting on Cam
- ys91fz muffler
- ys120 nc
- 91 to 110
- What Morgan Fuel do you recommend for YS?
- YS .63 Shaft Size
- Bearing Break-in
- Dave I have become a traitor. BUT not all the way
- YS 63 FZ fuel setup
- Dave Shadel out from 8/16 to 8/25/04
- YS 140 Sport - Fuel??
- 110 Low/Mid Range
- Air box cracks
- ys 110 FZ engine help-won't stay running.
- Prop, glow plug and fuel for a YS F91AC
- YS 61ST2 cracked crankcase....loss of power
- YS 1.40 FZ sport engine problem
- YS .53 ,Should I update it ?
- Dave,
- Glow plug longevity
- Fastest prop for a YS45
- YS 61 STII
- YS 120 FZ eating plugs
- YS 1.20 Backplate Nipple
- YS63 FZ question
- DZ140 prop sizes?
- YS 110 MID RANGE - HIGH END
- Many thanks Dave!
- 160DZ
- YS 63 Problem again
- YS 45 loads up
- YS 1.20 throwing props
- YS 140 Sport weeping alot of fuel
- ys63 check valve
- YS 63 problem
- YS 63S Carb Problem
- Strange (lean) settings required
- 140L Noise
- when to overhaul a YS ??????
- YS1.10 Mid-Range Problems
- ys 63 going deadstick
- How to change O-rings for YS 140
- Need Help new YS 110!
- YS110 does not run
- Diaphragm
- Thanks Dave and your staff!
- YS91AC very small hairline crack
- Thanks Dave Shadel!
- YS63FZ is awesome right out of the box.
- YS 140 Sport - Tuning
- YS 140dz - prop nut.
- 63S Sticky valves?
- 1.10 Mystery
- ys 1.10 muffler baffle
- where can I get a YS 110??
- YS 50?
- 140L
- New 140FZ Sport will not run
- Need Daves Wisdom on 91 AC and 110
- FS45 Fails in midrange
- Compression
- PHOTOS WANTED
- 110 FZ 3 Bladed Prop
- Seamless tanks or NOT?
- YS91 AC Muffler
- Where to send for service?
- YS 61 rpm question
- YS .63FZ problems
- ys 140l 3 blade prop size?
- 91AC flameout
- brand new 110 weak compression?
- 63FZ idle problems in hotter weather
- YS service in Australia ?
- YS Stickers?
- ys63fz
- YS 63 idle adjustment
- Pipe/muffler reccommendation for YS .45
- YS 140 throttle barrel leaking
- 63 tuning issues
- MOVED: NEED INFO FROM SOMEBODY !!!!
- YS 120 SF Overheating & TDC Marking Question
- 91AC - worth repairing?
- YS60 2-stroke
- 140 DZ Fuel pickup
- ys 120 fs poors fuel out of carb
- 63FZ problems, 63S is great!
- YS 61ST2 Front Bearing came sealed w/covers...
- YS 63 Low RPM's
- Muffler Coming Loose On YS 140 DZ
- YS 63S
- Need YS web site address
- YS .63 running lean
- Y/S 110 FZ
- Thanks Dave
- YS FZ 63 Muffler?
- Older YS-45
- YS-120 Help
- YS 61ST2 heli engine surging....
- 45 fuel and pressure lines
- Fuel advice for YS63s
- Y/S 110 FZ questions from a NEWBEE
- Ys 110 help
- No Success with YS-91FZ
- dave i need some help here
- 91FZ puzzle
- YS91 broken exhaust pipe weld
- 140L compression
- prop for a ys 110
- 91AC with no compression
- Thought it was a big problem but wasn't!
- YS 140L service.
- Inverted YS's smoking?
- YS Performance Repair Question
- 120FZ
- YS 110 Crashed
- YS Parts/Service
- 3-bladed prop on 120 AC
- YS 63 Problem
- YS 63s Breaking in?
- 120 AC compression
- 140L "Air Leaks & Spiitting Fuel out of the Carb"
- YS 110 fuel setup
- y.s. 120 woodruff key
- YS53 - which way round does regulator go?
- YS 61 FR - sensitive/worn needle
- YS 91 AC Carb loading up
- Fuel with YS Engines
- YS 110, NEED TUNING HELP
- Tune pipe for YS .61 R 2 stroke
- YS63 flooding at idle
- FZ110 Air Leak
- YS 45
- 140L v 140FZ
- What kind of After-Run Oil?
- Prop For a YS63FZ
- New .63 "S"
- YS .91AC exhaust
- YS 110 fuel choices
- Broken exhaust valve YS 91
- YS 140L - broken conrod
- YS 110 HELP!
- YS 110 FZ Repair
- YS 1.40 Dıngo Service need!!!
- YS91 FZ Midrange Boggle
- Fuel tank for YS .63?
- YS 63FZ quitting problems
- Ys 63 problem
- Service
- 140L
- Y.S. DZ 1.60 WHEN DAVE?
- Little promotional cowl stickers?
- A starting problem with dingo.
- YS 61 AR needs bearings?
- ys110fz pour low end and fuel leak around the rear air chamber
- YS Fuel Mix
- YS 63 cutting out
- YS 91 Regulator!
- ys .63 pre-ignition???
- YS 45 Rear Exhaust
- Which plug?
- YS53 versus YS63
- 140DZ Inverted Problem
- YS140DZ
- YS53 problems
- Help with ys63fz please..!
- 120FZ pushrods
- ys 63 keeps quiting
- YS120 Disc Valve Pin
- Remote Glow
- bearing replacement
- YS 1.10 and ES carbon pipe
- YS .45 2stroke
- YS110 broke screw
- Throttle opening for idle
- YS 50 heli comming?
- 91 FZ.. Broken connector rod
- YS63FZ Thread Size
- YS91FZ Top End Help!
- YS120 AC HEAD Valve guides
- 140L
- YS 63FZ and UCANDO 46
- YS 53 Self-Help
- Regulator Plunger
- 91 AC Which prop?
- New to 4-strokes and YS - props for the 110?
- YS .63S and YS Performance - Outstanding!
- 120 AC First Flights
- YS80 MK2 Heli Service Availability?
- Fuel line length for 140DZ
- DZ140 wirst pin
- dingo down on power?
- YS 63 Problem
- .63 VERY SENSITIVE NEEDLE VALVE
- New to the YS engine...
- Erratic when warm! (YS 110)
- YS FZ 110
- YS 91AC
- YS 63
- Nitro content YS 63- UK cheap skates!
- YS63 Loading Up
- YS 63 Trouble
- Service info.?
- 91AC Valve question
- Gas Porting revisited
- Stripped thread in crankcase
- More 91AC exhaust questions
- FZ 120 idle problem
- Midrange richness
- YS 1.20NC tuning problems
- YS 63 Help
- YS 63 Safe to run without Muffler?
- YS 53 detonation
- YS53 air leak
- YS 91FZ
- 120 AC
- YS .60 RC
- FZ 140
- DZ 140 Muffler ??
- Sticky throttle YS45
- YS 120 FS Header Threads
- YS 140FZ flooding
- YS 63
- Crashed YS-91 now runs poorly.
- YS .61 AR