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Go Back   DCSportbikes.net > Sportbike Operation > Test and Tune

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  (#1)
Zombie apocalypse yet?
 
DAYUIZ's Avatar
 
Posts: 1,086
Join Date: January 11, 2004
Location: South of DC, North of Richmond
September 19, 2004, 05:38 PM

My bike has been having issues lately and I'm pretty sure that its an electircal short. To make a long story short, I push started it (which is the only way to start it right now) in front of my house, made a u turn and attempted to ride back up my drive way when the circut breaker popped. Thats what's making me thing its a short somwhere.

The long story: My bike has a 2 position choke, and when she's cold she always needs the choke open to the first position to start. If she's warm and I start her, say at a gas station right after I gassed up, she doesn't need the choke at all and will start right up. I just wrote this off to the fact that she's 13 years old, no biggie.

However the last two weeks that I've been riding her, she's needed the choke every single time I start her, no matter how warm/cold the engine is. Then finally, no matter how much choke or gas I give it, she won't start. The starter motor turns over fine, but the engine just won't catch. If you push start the bike, she starts right up and runs fine. There has been no noticable lack of power anywhere in the RPMs.

I took all the spark plugs out and cranked the motor to check for spark, and all four plugs have spark. The plugs are only 2 months old and they don't look fouled at all. I can smell gas from my pipe when I try to start it. And like I said, the starter cranks like normal, and you can push start it without any problems. It just won't start normally.

And then today the circut breaker popped. Thats the first time that's happened. I suck at electrics. I do have a brand new multimeter, but I'm like a 12 year old with a porn star when it comes to using it; I just don't know where to start.

So, would anyone be willing to help me out? I've got lots of beer and Pappa Johns is only a phone call away.


-Steve

Quote:
Originally Posted by deviousR6
I walked in on Steve while he was in the bathroom once, it was glorious...
2015 Grom
2013 Hayabusa
2006 VTX 1300
2002 Sportster 883 (for her)
1998 TL1000R - Sold
1991 GSXR750 (second one) - Sold
1991 GSXR750 - Sold
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  (#2)
Ballaugh Bridge
 
CrazyMotorcycleGuy's Avatar
 
Posts: 6,871
Join Date: September 29, 2002
Location: VA
September 19, 2004, 07:14 PM

Your ignition switch wiring has probably worn through and shorts on the frame. That's where I would start. My GS500 had that problem in the end of its days. Another timeI even fried a good part of the wiring loom . Suzuki wiring sucks.


'08 MARRC Expert Racer of the Year
2009 #3 Combined Overall Championship

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  (#3)
Zombie apocalypse yet?
 
DAYUIZ's Avatar
 
Posts: 1,086
Join Date: January 11, 2004
Location: South of DC, North of Richmond
September 19, 2004, 07:50 PM

I'll check that out tomorrow. I've got the whole day off. Thanks Travis.


-Steve

Quote:
Originally Posted by deviousR6
I walked in on Steve while he was in the bathroom once, it was glorious...
2015 Grom
2013 Hayabusa
2006 VTX 1300
2002 Sportster 883 (for her)
1998 TL1000R - Sold
1991 GSXR750 (second one) - Sold
1991 GSXR750 - Sold
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  (#4)
boxing twins
 
hayabusafiend's Avatar
 
Posts: 581
Join Date: April 6, 2003
Location: Northern California
September 19, 2004, 09:11 PM

Your first step is to remove all fairing plastics and inspect every wire and electrical connection, concentrating your eyes where wires rub anything, including each other.

I'm a little confused how you can get the bike to run by push starting, but not using the starter motor. Electrically there's no difference other than electrial load on the battery as the stater motor turns the engine. You already tested good spark, which has me at a loss.

I'd follow Travis' recommendation, combined with my recommendation above, and also use the suzuki service manual and follow their troubleshooting steps.


-- Chris
BMW R1100s
(previous rides: '82 KTM250, '95 CBR600F3, '98 Buell S3T, 2000 Hayabusa, 2008 R1200R)

"Any sufficiently advanced technology is indistinguishable from magic." -- Arthur C. Clarke
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  (#5)
GP Champ
 
Twiggy6's Avatar
 
Posts: 2,115
Join Date: December 27, 2002
September 19, 2004, 09:20 PM

check battery with multimeter and make sure you are putting out 12.6v. The added amperage your starter draws may be pooching your coils during start up. Push starting it obviously circumvents the starter. It's possible your battery has a cell that's dying. Try seeing if the bike starts right up while being jumped.


If you drink and ride, I have no pity for you. At all, ever.
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  (#6)
Zombie apocalypse yet?
 
DAYUIZ's Avatar
 
Posts: 1,086
Join Date: January 11, 2004
Location: South of DC, North of Richmond
September 19, 2004, 09:53 PM

Quote:
Originally Posted by Twiggy6
check battery with multimeter and make sure you are putting out 12.6v. The added amperage your starter draws may be pooching your coils during start up. Push starting it obviously circumvents the starter. It's possible your battery has a cell that's dying. Try seeing if the bike starts right up while being jumped.
Yes I'm getting 12.6V. Yes the starter works with jumper cables, though the bike still does not start. The battery isn't even a year old, maybe 10 months. What does "pooching" mean?

-Steve


-Steve

Quote:
Originally Posted by deviousR6
I walked in on Steve while he was in the bathroom once, it was glorious...
2015 Grom
2013 Hayabusa
2006 VTX 1300
2002 Sportster 883 (for her)
1998 TL1000R - Sold
1991 GSXR750 (second one) - Sold
1991 GSXR750 - Sold
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  (#7)
GP Champ
 
Twiggy6's Avatar
 
Posts: 2,115
Join Date: December 27, 2002
September 19, 2004, 10:02 PM

Quote:
Originally Posted by DAYUIZ
Quote:
Originally Posted by Twiggy6
check battery with multimeter and make sure you are putting out 12.6v. The added amperage your starter draws may be pooching your coils during start up. Push starting it obviously circumvents the starter. It's possible your battery has a cell that's dying. Try seeing if the bike starts right up while being jumped.
Yes I'm getting 12.6V. Yes the starter works with jumper cables, though the bike still does not start. The battery isn't even a year old, maybe 10 months. What does "pooching" mean?

-Steve
not working.


If you drink and ride, I have no pity for you. At all, ever.
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