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over heating very quickly

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Old Feb 15, 2010 | 08:13 AM
  #1  
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over heating very quickly

I just bought another super hawk needs some work I got it running last night had all fluids up to level and the rear cyl. got hot like right now and turned it of. Were should I start looking ??? Thanks for your time
Old Feb 15, 2010 | 08:53 AM
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Check to see if any of the radiator hoses are clogged, the fan is working, and the fins on the radiators are not clogged. Then check the water pump.
Old Feb 15, 2010 | 10:37 AM
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When I bought a '98 new in '99 it overheated the day I took it out of the crate. It's a long time ago but I'm pretty sure the dealer said the thermostat switch was bad and replaced it under warranty. Apparently not a common problem but my bike only had 50 miles on it...Is the fan turning on at all? Obviously you may have another problem though as my bike can idle for awhile and not get that hot.
Old Feb 15, 2010 | 10:49 AM
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And there could be air trapped in the cooling passages. That prevents passage of coolant, causing overheating.

Just the rear cylinder? I'd look at blocked passage in a hose, or a kink. Check the routing.

The fix is free or cheap. Just information and effort. I envy you.
Old Feb 15, 2010 | 01:01 PM
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or your thermostat could be bad. wait we have a thermostat right? it's stuck closed sounds like
Old Feb 15, 2010 | 01:04 PM
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don't forget to check the radiator cap!!
Old Feb 16, 2010 | 05:26 AM
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Thanks for the help I will post when I look at these posabilitys I only can work on it late at night!!!
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