K1200RS fuse problem - K-Bikes.com - Excellence in Motion
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post #1 of 24 (permalink) Old Jul 28th, 2019, 4:56 pm Thread Starter
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K1200RS fuse problem

I keep blowing out my #2 fuse on my K1200 RS. This fuse controls my fuel pump. I put in a new battery earlier this summer and it ran fine. I got the bike out last week and it will not start. I thought maybe I had a bad fuel pump, but I checked the fuse first and it was blown. Each time I put in a new fuse it blows out in seconds. Anyone have any ideas where the short maybe coming from?
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post #2 of 24 (permalink) Old Jul 28th, 2019, 9:27 pm
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Either fuel line disconnected? As in one of the QDs (Quick Disconnect) popped off?That blows the fuse rather quickly.

Benelli 50cc at 14
Yamaha RD 200 at 16
Yamaha RD 350 at 17
Honda CB 750 F at 18
Honda V45 Sabre at 24
BMW K100RS at 27
BMW R100GS at 34
BMW K1200RS at 53
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post #3 of 24 (permalink) Old Jul 28th, 2019, 9:31 pm
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Any chance you my have pinched the harness when replacing the battery. Always go to the last thing you worked on...
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post #4 of 24 (permalink) Old Jul 28th, 2019, 11:10 pm
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What year model?
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post #5 of 24 (permalink) Old Jul 29th, 2019, 9:44 am Thread Starter
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What year model?
It is a 2003 K1200 RS.
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post #6 of 24 (permalink) Old Jul 29th, 2019, 9:54 am Thread Starter
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Any chance you my have pinched the harness when replacing the battery. Always go to the last thing you worked on...
Thanks Doug, I actually took the battery back out and reconnected it already. I didn't see any pinched wires. Fuse still blows out.
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post #7 of 24 (permalink) Old Jul 29th, 2019, 10:01 am Thread Starter
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Either fuel line disconnected? As in one of the QDs (Quick Disconnect) popped off?That blows the fuse rather quickly.
Thanks, I will check the QD's again. One quick question though. I keep thinking my fuel pump could be bad. If i disconnect the fuel line QDs and turn the key on, fuel should spray out or will the QDs lines right? or does the QDs prevent that from happening?
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post #8 of 24 (permalink) Old Jul 29th, 2019, 6:51 pm
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The QDs will prevent fuel from flowing.Pump usually squeals loudly and maxes at +85psi then blows the fuse when a line is disconnected.

Disconnect the line at the fuel rail?
Forward line at the rail is the pressure/fuel feed and should circulate fuel if the pump isn't seized thus blowing the fuse.

Benelli 50cc at 14
Yamaha RD 200 at 16
Yamaha RD 350 at 17
Honda CB 750 F at 18
Honda V45 Sabre at 24
BMW K100RS at 27
BMW R100GS at 34
BMW K1200RS at 53
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post #9 of 24 (permalink) Old Jul 29th, 2019, 6:56 pm
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And btw......very common GS problem the seized fuel pump after a period of storage and they have the same type of pump.

Benelli 50cc at 14
Yamaha RD 200 at 16
Yamaha RD 350 at 17
Honda CB 750 F at 18
Honda V45 Sabre at 24
BMW K100RS at 27
BMW R100GS at 34
BMW K1200RS at 53
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post #10 of 24 (permalink) Old Jul 29th, 2019, 6:56 pm
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And btw......very common GS problem the seized fuel pump after a period of storage and they have the same type of pump.

Benelli 50cc at 14
Yamaha RD 200 at 16
Yamaha RD 350 at 17
Honda CB 750 F at 18
Honda V45 Sabre at 24
BMW K100RS at 27
BMW R100GS at 34
BMW K1200RS at 53
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