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post #1 of 11 (permalink) Old 12-04-2012, 07:20 PM Thread Starter
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Minitwins
Main Motorcycle: Sprint ST
 
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Wont run

So, went to leave work today, bike wouldn't crank, so I got a jump from my friends jeep. Ride the bike most of the way home, get an ABS light about 1.5 miles from home, 1 mile from home bike quits. Push it to the nearest gas station (thankfully these things push easy), call my friend, throw a jumper on it, wait a few minutes, gets it to re-fired and book it back home. About when I pull in the ABS light comes back on. Won't re-fire. Put the charger back on it, get it to fire, no voltage rise, in fact running around 11V.

I'm thinking charging system, but not quite sure best way to check? and anything else I can check?

OHHHHHH, just had a Sprag Clutch issue (was able to fix that one, the plate popped off the back) and checked the valves. Bike has about 23k miles on it.
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post #2 of 11 (permalink) Old 12-04-2012, 07:57 PM
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I'd guess that your regulator/rectifier has failed.

I'd start with this thread for diagnosis:

http://www.triumphrat.net/speed-trip...r-upgrade.html


2008 Sprint ST 1050 ABS - Pacific Blue
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post #3 of 11 (permalink) Old 12-04-2012, 09:35 PM
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Make sure the ground cable is nice and tight on the battery, give it a good charge and go from there.
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post #4 of 11 (permalink) Old 12-05-2012, 10:11 AM
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And make sure your stator connector is not burned.

This guide is great too:

http://www.electrosport.com/media/pd...ng-diagram.pdf

Fred

Last edited by fredsprint; 12-05-2012 at 10:42 AM.
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post #5 of 11 (permalink) Old 12-05-2012, 06:32 PM Thread Starter
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Minitwins
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Thanks i'll go through that. By the way, anyone know where the charging fuse is?
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post #6 of 11 (permalink) Old 12-05-2012, 08:21 PM
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Quote:
Originally Posted by redrider7202 View Post
Thanks i'll go through that. By the way, anyone know where the charging fuse is?
There is no "charging fuse" on a late model Sprint. There is a 30 amp. main fuse located next to the starting relay under the seat.
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post #7 of 11 (permalink) Old 12-06-2012, 07:41 PM Thread Starter
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Minitwins
Main Motorcycle: Sprint ST
 
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Location: Worcester MA
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Probably not that then since the bike will start and everything just is running off the batt. Oh well I took tomorrow off so I'll have some fun trouble shooting tomorrow and will keep things posted here

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post #8 of 11 (permalink) Old 12-11-2012, 08:26 PM Thread Starter
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.... yup R/R... now OEM or refit to the MOSET unit? I had making choices.
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post #9 of 11 (permalink) Old 12-12-2012, 01:26 AM
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The MOSFET unit will likely last longer and work better, and it's $100 cheaper to boot. Easy call, if you ask me.

Cheers,
-Kit
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post #10 of 11 (permalink) Old 12-12-2012, 04:34 AM
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MOSFET rules, shunt OEM can be bought cheap on eBay but I wouldn't bother...mine left me stranded and humorless 250 mi from home (after just 18k total miles).

I still don't crank right away when the engine is cold. Perhaps stator was cooked?I was warned.


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