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08-12-2008, 05:15 PM
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#1 |
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Flyin' Around
 Join Date: May 2008
Location: Sweden
Age: 31
Posts: 27
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YS 1.10 problem
Hi there. My YS 110fz has a problem that I just Can't figure out. When i have the throttle in a position just above low idle (around 2500rpm) it just dies, it runs at low idle but when i increase throttle a little bit it dies. It runs fine at higher rpm.
I know these engines pretty well so it is not that i turn the low end needle the wrong way or something simple like that. I have tried adjusting the regulator but nothing seems to help. Anyone have any ideas ? |
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08-12-2008, 05:38 PM
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#2 | ||||||||||||||||||
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YEEAHH
 
Join Date: Aug 2006
Location: australia
Age: 26
Posts: 918
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Re: YS 1.10 problem
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08-12-2008, 06:24 PM
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#3 |
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Flyin' Around
Join Date: May 2008
Location: Sweden
Age: 31
Posts: 27
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Re: YS 1.10 problem
Thanks for the tip
 , I have recently adjusted the valve clearence but i went and checked it anyway and it seems good, but i found that the valve cover gasket was pretty bad! Maybe that is causing the problem ?
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08-12-2008, 08:08 PM
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#4 |
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That Was a Close Shave!
Join Date: Oct 2006
Location: USA
Posts: 657
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Re: YS 1.10 problem
Valve cover gaskets are one of the main points of leakage.
Remember, the system doesn't need to just hold some pressure, it has to hold exact pressure. Even the smallest leak will cause an upset.
__________________
You're a Notch And I'm a Legend TEAM Drunk, Broke, and Stupid! |
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08-13-2008, 12:58 AM
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#5 |
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Low and Slow Baby!!
Join Date: Feb 2008
Location: Glyndon, Minnesota
Age: 41
Posts: 925
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Re: YS 1.10 problem
Mine was doing that also I put in a complete gasket set and problem was solved. All the adjusting in the world only moved the problem to a slightly different rpm.
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08-24-2008, 04:49 PM
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#6 |
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Flyin' Around
Join Date: May 2008
Location: Sweden
Age: 31
Posts: 27
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Re: YS 1.10 problem
I changed the valve cover gasket and the problem is still there, but I found that I also have an airleak in the front seal.
Tested with soap to find airleaks and it worked great..
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08-25-2008, 07:23 AM
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#7 | ||||||||||||||||||
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Bad-ass Super Contributer!
Join Date: Jan 2006
Location: Tucson
Age: 36
Posts: 5,229
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Re: YS 1.10 problem
I had the exact same problem as you and was instructed by Richard Verano (a YS tech rep) to do this and the problem was gone... |
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08-25-2008, 01:29 PM
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#8 |
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Flyin' Around
Join Date: May 2008
Location: Sweden
Age: 31
Posts: 27
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Re: YS 1.10 problem
OK thanks, I will try that and see what happends. But there must be something wrong it the idle needle has to be all the way in ? I mean it has not been like that all the time so something must have changed...
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08-25-2008, 02:41 PM
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#9 |
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www.hcmodelers.net
Join Date: Jun 2007
Location: Ft. Wayne, Indiana
Age: 53
Posts: 2,109
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Re: YS 1.10 problem
In that pic, are those cracks in the crankcase casting just behind the regulator housing with a chunk missing...???
Scott |
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08-25-2008, 02:55 PM
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#10 |
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Bad-ass Super Contributer!
Join Date: Jan 2006
Location: Tucson
Age: 36
Posts: 5,229
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Re: YS 1.10 problem
D'oh!!!! I responded to this on my blackberry and didn't see that pic! Dude, your engine has problems and needs to be sent in! That definitely looks like cracks to me...
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08-25-2008, 03:57 PM
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#11 |
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Flyin' Around
Join Date: May 2008
Location: Sweden
Age: 31
Posts: 27
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Re: YS 1.10 problem
It sure looks like there is a crack in it on the pic but its just something from the casting. What looks like a missing piece is the flat surface for the regulator.
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08-25-2008, 05:32 PM
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#12 |
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Bad-ass Super Contributer!
Join Date: Nov 2006
Location: Vicksburg, MS
Age: 65
Posts: 1,320
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Re: YS 1.10 problem
Bodywerks is correct! It definitely looks like a major crack in the case just to the right of the bolt. Try putting some of your soapy water on the "crack" and see what happens when you turn the engine over.
TDD aka Bobby |
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08-25-2008, 05:40 PM
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#13 |
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Team Aerotech R/C Models
Join Date: Oct 2007
Location: clinton, ia. usa
Age: 37
Posts: 5,149
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Re: YS 1.10 problem
send it in... they are quick and great to deal with!!!!! you can guess at these forever or you can send it in and get her back good as new in no time and get to flyin' again!
__________________
www.AEROTECHRCMODELS.com  Nothing flies like a HyperLITE!!! Special thanks to: Team HITEC Cactus Aviation |
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08-25-2008, 06:17 PM
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#14 |
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Bad-ass Super Contributer!
Join Date: Jan 2006
Location: Tucson
Age: 36
Posts: 5,229
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Re: YS 1.10 problem
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08-25-2008, 08:42 PM
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#15 |
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Bad-ass Super Contributer!
Join Date: Jun 2007
Location: Los Angeles, CA
Posts: 303
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Re: YS 1.10 problem
Are you sure about that? It looks like a crack in the pic.
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