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| Glow Engines and Power Discuss engines and power here |
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08-12-2008, 05:15 PM
| #1 (permalink) |
| Flyin' Around  Join Date: May 2008 Location: Sweden Age: 28
Posts: 6
 |  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
| #2 (permalink) | ||||||||||||||||||
| YEEAHH   Join Date: Aug 2006 Location: australia Age: 23
Posts: 380
| Re: YS 1.10 problem
__________________ Big Yellow and Red Yak powered by a Silver Engine  Smaller Purple,Red and Yellow Extra Powered by Silver Engine Guided by a silver box with 2 sticks that has Futaba badged on it | ||||||||||||||||||
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08-12-2008, 06:24 PM
| #3 (permalink) |
| Flyin' Around Join Date: May 2008 Location: Sweden Age: 28
Posts: 6
| 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
| #4 (permalink) |
| That Was a Close Shave!  Join Date: Oct 2006 Location: USA
Posts: 548
| 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
| #5 (permalink) |
| Low and Slow Baby!!  Join Date: Feb 2008 Location: Glyndon, Minnesota Age: 38
Posts: 450
| 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
| #6 (permalink) |
| Flyin' Around Join Date: May 2008 Location: Sweden Age: 28
Posts: 6
| 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
| #7 (permalink) | ||||||||||||||||||
| Bad-ass Super Contributer!  Join Date: Jan 2006 Location: Tucson, baby! Age: 33
Posts: 3,641
| 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
| #8 (permalink) |
| Flyin' Around Join Date: May 2008 Location: Sweden Age: 28
Posts: 6
| 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, 02:55 PM
| #10 (permalink) |
| Bad-ass Super Contributer! Join Date: Jan 2006 Location: Tucson, baby! Age: 33
Posts: 3,641
| 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, 05:32 PM
| #12 (permalink) |
| Bad-ass Super Contributer! Join Date: Nov 2006 Location: Vicksburg, MS Age: 62
Posts: 532
| 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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