Poorly running s4r 07'

Started by TAftonomos, May 05, 2011, 01:52:30 PM

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badgalbetty

I know this sounds silly but what kind of spark do you have? Things I would check are : plug wires,clean plugs,coils,charging system and use the proper battery as they use a lot of amperage,check and clean battery terminals.Check that you have a good ground from the battery. 90% of electrical issues are a shitty ground.
Wish I was there to offer more stupid advice and drink all of your beer..... [laugh] best wishes.
BGB
"Its never too late to be who you might have been" - George Elliot.

Moronic

In case it helps, my 07S4Rs (same engine):

- usually starts within a couple of cranks, and with the throttle left alone.

- had a voltage regulator go bad, so that the battery went flat and wouldn't start the bike. For irrelevant reasons, I rode it about 50 miles like that, push starting twice (no fun!). Bike ran fine on the highway but would die immediately if revs dropped to idle levels.

Good luck with finding a fix.

TAftonomos

Is there a procedure to test the voltage regulator?

I would assume that if the battery is getting 12.5-14V while the bike is running, all is OK. ?

Speeddog

Quote from: TAftonomos on May 07, 2011, 11:43:08 AM
Is there a procedure to test the voltage regulator?

I would assume that if the battery is getting 12.5-14V while the bike is running, all is OK. ?

IIRC, Howie has linked to a charging system checkout procedure....

I think this is it:
http://www.ducatimonsterforum.org/index.php?topic=46857.msg852380#msg852380
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TAftonomos

Cool, thanks!  I'll get on this and report back tomorrow with what I find.

Moronic

Quote from: TAftonomos on May 07, 2011, 11:43:08 AM
Is there a procedure to test the voltage regulator?

Telltale sign for mine was discoloured insulation on the wires coming from the regulator, obviously from overheating.

It seemed to me your bike's symptoms were different from mine. So I was thinking your problems probably were not (just) down to battery/regulator issues.

The rest could have been merely bad fuel tho.

I'm looking forward to hearing how this monster rides ...  :)

liquidsmile

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