Author Topic: Overheating Question  (Read 1222 times)

Dirty

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Overheating Question
« on: September 09, 2008, 08:23:17 PM »
I recently rebuilt my FL400R engine and am now unable to get it to run for more than a few minutes.  It will be going fine, then just dies - like it is seizing, but will turn over immediately - just won't restart.  It won't restart until many hours later, and then it acts like it is not getting gas, but it is.
Any ideas?

Weed

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« Reply #1 on: September 09, 2008, 09:12:50 PM »
How far did you go into the rebuild?  Top end.....and lower end?  Did you do a leak down test on it before you started it?  Did you replace the crank seals?

It sounds like....to me that you have stuck the rings or semi-seized the motor and it will only start after it will cool down.  This could be caused by a lean condition from an air leak.

I always recommend a Digatron to monitor exhaust temp so you can prevent un-nessisary rebuilds due to an air leak or improper jetting.

Weed...

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