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2011 Hisun 700

JimS409

By JimS409
in Hisun UTV SxS Forum

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JimS409 Newbie

JimS409

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Posted

I picked up this Hisun 700cc for a good deal. no crank no start unit 1900 miles on it. Put a new battery and starter solenoid fired right up but sounded rough some kind of rattle/clunk noise.  Does anyone know what this noise could be? Couldn't get a better video of it running as i don't want to risk doing more damage. Drained the oil it looks good no metal in it. 

 

aefron88 Community Regular

aefron88

Posted
Posted

Can't really tell from the video, but it's not uncommon to "stretch" the timing chain and have it jump timing. It would run poorly and make a rattling from the chain case.

Can you check the timing? There are manuals in the download section.

Most timing chain stretching is due to wear on the chain pins, probably due to bad lubrication or excessive wear metals in the oil.

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