F4 getting moody on me - MVAgusta.net
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post #1 of 2 (permalink) Old 08-18-2009, 12:29 PM Thread Starter
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Join Date: Jan 2007
Location: Oro Valley AZ USA
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F4 getting moody on me

My '00 F4 750 has started getting fussy of late; in different ways, but maybe it's due to the same problem.

First off, it's stalling randomly during downshifts. Can't pinpoint if it's a heat related issue or not, but approaching a light and downshifting it'll stall; even with the revs where they should be. Only happens during downshifting. Idles fine, upshifts fine.

Second, I'm blowing fuses like crazy- the 7.5 one for brake and signals. Past Saturday I put in a new fuse to replace the one that blew on the last ride. Started the bike and tested them. Worked first time, blew it when tested a second time a minute later.

I'm hearing through research in the archives (sounds so Jedi council like) that the relay/fuse box is the culprit. Just curious if there's any additional stuff I should consider. Bike's long out of warranty I will probably do the repair work myself. Looks like an easy swap; curious what the part will cost though...

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post #2 of 2 (permalink) Old 08-19-2009, 06:54 PM
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Join Date: May 2006
Location: San Antonio, Texas
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I kept blowing fuses and lost my gauge cluster. It was due to a wire that was shorting out. I found and fixed it and the problem went away. I would see if something happened like did you put the blinker on or did the fan kick in. For example if your fan motor is bad or going bad it can itself cause a short. Which could be blowing your fuse.
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