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I'm no expert but i recently had a 'no start' problem with my 749s that I later diagnosed to be faulty fuel pump connection. It would be worth...
Mot this afternoon ... Back on the road... bl**dy great .....
Been two weeks since I wrote so thought I'd tell you what happened. Tracked the problem to the pump so removed this from the tank and began to dig...
Checked feed TO the pump and perfect 12.8v - Eureka ! Now going to rig up a 12v supply to the pump and confirm the final diagnosis - I need a...
Antonye, assume this is the 20A (yellow) located on the face of the batt box. Yep all checks out ok Chrisw, yes pump side... I realised once...
The plot thickens ... I have the tank raised from the frame so that I can fully access the 4-way connector. I've checked for chaffing and signs of...
Chris, thanks... I take a good look and see what I find. Feels like I'm homing in on something .....
Thanks for the advice Gliddofglood ... I'm probably 2 miles from my nearest hill. Great for cycling, crap for bump starting !!!
Charged the batt and even when inst display is reading 13.2v, still no fire or fuel pump priming noise. So.... If the fuel pump is not priming...
Thanks .... Will do
On the case.. Will put on my car charger on overnight to see. Still not sure about why the fuel pump doesnt audibly prime but let's try the...
Been out to check again and when I switch on the ignition, there is NO SOUND from the pump. Complete silence !!!
Can the priming noise be heard and felt coming from the pump module flange at the rear (underside) of the tank ?
Question ..... When you turn the ignition on and the FP relay clicks into action, should I be able to hear the fuel pump prime and pressurise the...
Update... Bought a new FP relay from Duc Cov and fitted this evening ... Still won't start although I can now clearly hear (and feel) the relay...
Cranks ok and the voltmeter indicates a healthy charge. I keep the bike on an optimate and the battery is only three years old so it doesn't feel...
..... Story so far.... Removed the battery and cover revealing all the electrical relays and connectors behind the heat shield. Now need to work...
Thanks... Will keep you posted tomorrow night. Thanks again, Martyn
I'll get the covers tomorrow night and have a poke around. Bl**dy annoying as i was working yesterday and was really looking for a spin out today....
Thanks for the responses..... a great help as always ! Will check the relay, I did notice the usual 'knocks and whurrs' sounded different today...
