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spot the problem (Read 3,328 times)
 
JackDD
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Show the link to this post spot the problem
Mar 14th, 2016 at 11:40am
 
Here's a quick one...
Spot the problem with this very expensive .91 4 stroke...
Here's a hint, running ( ruff ) with no power....

I was told, by another modeler, there are only 2 problems with a four stroke..
the engine
the pilot
Wink
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« Last Edit: Mar 14th, 2016 at 11:43am by JackDD »  

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whitey
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Show the link to this post Re: spot the problem
Reply #1 - Mar 14th, 2016 at 12:53pm
 
I would guess valves are out of adjustment and most likely the exhaust valve. Should be difficult to start as well.
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Fingers
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Reply #2 - Mar 14th, 2016 at 2:08pm
 
looks like you might be missing one of the bolts there Jack. Hard to tell from the picture, but the surperfluous redundancy of extraneous crud and tar around the pipe made me look there first... but then again my eyes are almost as bad as my  Cry
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Show the link to this post Re: spot the problem
Reply #3 - Mar 14th, 2016 at 4:35pm
 
Sandy's right, a head bolt is missing.
Also, if that isn't a pumped 4stroke, then your carb line is in the wrong spot  Grin
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