Bike cut out

[Ian J Hartley]

The easiest way to check the fuel pump is to disconnect at the tank connector and feed 12v direct to the pump. 12volts (green/white) earth (brown)

What happens when you initially switch on is that 12v is applied to the fuel pump relay for about 2 seconds. Fuel pump primes, audible noise. The motronic then removes the supply to the fuel pump relay. And doesn't apply it again until the motor turns and the hall sensors signal rotation. If you measure the voltage at the point of switch on you should see a momentary 12v pulse. After that it would appear as if there was no voltage.

The fact that fuse 6 had blown could be faulty fuel pump. Or the green/white wire has chaffed. Behind the fuse box on the right hand side tucked under the frame top rail is a small black connector, with two wires green/white and green/blue. It's not used but if the green/white shorts out. Your bike won't run as this wire also feeds the pump and the injectors.

 

[fbpmc]

The easiest way to check the fuel pump is to disconnect at the tank connector and feed 12v direct to the pump. 12volts (green/white) earth (brown)

What happens when you initially switch on is that 12v is applied to the fuel pump relay for about 2 seconds. Fuel pump primes, audible noise. The motronic then removes the supply to the fuel pump relay. And doesn't apply it again until the motor turns and the hall sensors signal rotation. If you measure the voltage at the point of switch on you should see a momentary 12v pulse. After that it would appear as if there was no voltage.

The fact that fuse 6 had blown could be faulty fuel pump. Or the green/white wire has chaffed. Behind the fuse box on the right hand side tucked under the frame top rail is a small black connector, with two wires green/white and green/blue. It's not used but if the green/white shorts out. Your bike won't run as this wire also feeds the pump and the injectors.

Thanks for that I will look tomorrow, I do appreciate all your help in trying to resolve this problem. I think we are getting closer !!
I will keep trying whatever is suggested.

Regards Dave M.

 

[fbpmc]

BACK ON THE ROAD

Thanks for that I will look tomorrow, I do appreciate all your help in trying to resolve this problem. I think we are getting closer !!
I will keep trying whatever is suggested.

Regards Dave M.

OK GS1150 now back on the road !! Original breakdown was the coil which shorted / melted this I think goosed the Hall sensors and the Battery was on it's way out anyway.
The final problem was a mix up on fuse sizes ( Which was my fault counting from the wrong end. )
Have tested the bike today 40 miles staying close to home !! and it runs perfectly.
Thanks to everyone who has contributed to this thread and offered advice I have learnt a lot about my Bike thanks to you guys.
Much appreciated.

Regards FBPMC Dave M.

 

[cele0001]

OK GS1150 now back on the road !!
The final problem was a mix up on fuse sizes ( Which was my fault counting from the wrong end. )

Regards FBPMC Dave M.

Can you clarify this a little?

 

[Jon]

The final problem was a mix up on fuse sizes ( Which was my fault counting from the wrong

Print the pic off in this link, laminate it & stick it in the fuse box or on the underside of your seat

http://www.ukgser.com/forums/showth...-box-diagram&p=3532921&viewfull=1#post3532921

 

[Ian J Hartley]

Well done! A good result in the end. I've got my fingers crossed for you, hoping that it is finally fixed.

As you say, you have learnt a lot about the bike, and this knowledge will stand you in good stead if, heaven forbit, you ever get a similar problem in the future.

Happy riding