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    Tech Help on 06 600 HO Fusion--

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    9 replies
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    • Member since
      November 2005
    Tech Help on 06 600 HO Fusion--
    Posted by Tundrahog on Saturday, December 26, 2009 1:55 PM

    While riding at a high RPM (7400ish) the belt blew and the engine shut off--(I assume their is some type of rev limiter which shuts the engine down)...Now the engine runs but doesn't sound quite right? BUT, after checking the compression BOTH cylinders show 100PSI (120 should be normal correct?)...My question is what would you think would be the issue since both pistons DO NOT have holes or seem damaged at all--We checked with a camera inspection device (very tiny and thorough) so we are certain that there are no holes.  I'd appreciate any ideas or suggestions of what I should consider doing next--

    Thanks for your help...

    TH

    • Member since
      November 2009
    Posted by a1fastxc on Sunday, December 27, 2009 9:18 AM

    your crank is twisted,,,,,,,,get out the wallet

    • Member since
      November 2009
    Posted by a1fastxc on Sunday, December 27, 2009 9:24 AM

    100lbs seems kinda llow also

    • Member since
      July 2005
    Posted by jasper on Sunday, December 27, 2009 9:33 AM
    a1fastxc

    your crank is twisted,,,,,,,,get out the wallet

    a1fastxc

    your crank is twisted,,,,,,,,get out the wallet

    Yeah, I'd have to concur. Thinking when the belt went bye bye it locked up the engine causing the crank to go out of phase. Not good.
    • Member since
      November 2005
    Posted by Tundrahog on Sunday, December 27, 2009 3:31 PM

    Appreciate the feedback--The sled runs and will go maybe 55 MPH...Would an out of phase crank be able to hit that type of speed?  I have digitron guages and the exhaust temps seem to be normal in each cylinder...Very odd that this sled can be drivin but something is clearly off--

    Appreciate the advice...

    TH

     

    • Member since
      July 2005
    Posted by low rider on Sunday, December 27, 2009 7:33 PM
    check crank seals,sometimes the belt will cause a leak, spray a little ether on it while running if it raises rpm's you have a bad seal not necessarily a crank. Bad seal or not you do need to dial indicate the crank to check phase.
    • Member since
      November 2005
    Posted by Tundrahog on Tuesday, December 29, 2009 10:59 AM

    Next question--I've wanted a little more grunt from this machine for awhile...Does anyone have any experience with HTG Big Bore kits?  I'm considering the 660 or 701 and wonder what the HP difference is from stock and what thought's other Polaris owners think of these--

    TH

    • Member since
      August 2005
    • From: MILTON,NY
    Posted by ALPINE SPORTS RACING on Saturday, January 2, 2010 3:40 PM

     my buddy blew a couple belts on his 600 ho fusion, running off a little at the end of last year, i checked compression 120 across, sprayed either on pto seal no rise in rpms

    carbs clean, still ran badly, motor not in clutching for sure

    so this past weekend she blew up, thru the bottom of the case!

    2-STROKE TRIPLES FOREVER!! WWW.ALPINESPORTS.MYSITE.COM
    • Member since
      November 2009
    Posted by a1fastxc on Sunday, January 3, 2010 8:31 PM

     

    yea thats usually what ends up , with an out of phase crank, either that, or melted pistons! "blown belt"
    • Member since
      July 2005
    • From: upstate NY
    Posted by 99xcr800 on Monday, January 4, 2010 10:09 AM

     I have an 06 Fusion 700 complete bottom end.

    www.oscarsmotorsports.com

    Now selling the css ridelite. Keep the trails safe.

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