Glass_Darkly
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« on: November 12, 2011, 09:05:58 AM » |
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Hi everyone was riding home last week in the heaviest rain ever and bike came to a spluttery stop. Thinking it was water in fuel drained the tank, fuel filter and drained the carbs to best of my knowledge. I then filled it back up with fresh petrol, but she still doesn't start is there anything I am missing out ?
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Maximilian ! Ducati M750 Dark..... Getting darker
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ducpainter
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DILLIGAF
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« Reply #1 on: November 12, 2011, 09:24:04 AM » |
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If you're convinced it is fuel related try a little dry gas to get any remaining moisture. It will hide in little pockets.
I would check to make sure I had spark, and the general condition of the plugs too.
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"Once you accept that a child on the autistic spectrum experiences the world in
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Glass_Darkly
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« Reply #2 on: November 12, 2011, 10:02:08 AM » |
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yeah i am pretty sure its the fuel, after draining the water was sat at the bottom of the bottle i used, with the petrol kind of sitting ontop of it. will i have to take the carbs out and clean etc ?
Thank you very much for the reply !!!
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Glass_Darkly
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« Reply #3 on: November 12, 2011, 10:04:47 AM » |
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Also sorry what is dry gas ? thanks again
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ducpainter
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« Reply #4 on: November 12, 2011, 10:09:25 AM » |
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Also sorry what is dry gas ? thanks again
Dry gas is alcohol that absorbs water in fuel. Where are you located? I'd still check your plugs. When the thing stopped running they had stopped firing from the water and may be wet. |
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"Once you accept that a child on the autistic spectrum experiences the world in
a completely different way than you, you will be open to understand how that
perspective
is even more amazing than yours."
To realize the value of nine months:
Ask a mother who gave birth to a stillborn.
"Don't piss off old people The older we get, the less 'Life in Prison' is a deterrent.”
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Glass_Darkly
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« Reply #5 on: November 12, 2011, 10:22:49 AM » |
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okay awesome, im located in devon in the u.k. i will try and get hold of some asap until then its staying in the garage. one thing ducatis aren't built for is u.k winters lol
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Maximilian ! Ducati M750 Dark..... Getting darker
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Howie
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« Reply #6 on: November 12, 2011, 01:12:48 PM » |
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Also (if you didn't already) drain the carb float bowls and change the gas filter.
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Glass_Darkly
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« Reply #7 on: November 12, 2011, 03:27:50 PM » |
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yeah i undid the little screw nuts on the carbs and drained it. i also drained the filter will i need to prime the line at all or anything of that sort its an m750 year 2000.
thanks for the replies this site is awesome lol !
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ducpainter
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« Reply #8 on: November 12, 2011, 03:39:05 PM » |
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yeah i undid the little screw nuts on the carbs and drained it. i also drained the filter will i need to prime the line at all or anything of that sort its an m750 year 2000.
thanks for the replies this site is awesome lol !
Fuel filters are cheap and also can trap water. If you still have the vacuum petcock, which you probably do, it's hard to prime the system without a bunch of cranking the starter...hard on the battery. Those vacuum petcocks can fail in either mode...on or off...and can also fill the cases with however much gas is in the tank... Better to get a manual petcock with 5/16" inlet and outlet and end the suspense while the bike is down. If you were in the states I'd recommend a unit from parts unlimited that closely resembles a Pingle valve. Not sure what is available to you. |
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"Once you accept that a child on the autistic spectrum experiences the world in
a completely different way than you, you will be open to understand how that
perspective
is even more amazing than yours."
To realize the value of nine months:
Ask a mother who gave birth to a stillborn.
"Don't piss off old people The older we get, the less 'Life in Prison' is a deterrent.”
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Howie
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« Reply #9 on: November 12, 2011, 09:50:01 PM » |
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A drop or two of gasoline down each carb will get the bike started. Yep, a manual petcock is a good idea.
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Glass_Darkly
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« Reply #10 on: November 13, 2011, 12:52:13 AM » |
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ok so if i buy a manual petcock (i assume this is the same thing as a fuel tap) does the vacuum fuel filter become invalid or do i just need to buy a new one ?
cheers
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ducpainter
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« Reply #11 on: November 13, 2011, 03:31:35 AM » |
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The stock vacuum fuel tap/petcock is under the tank hinge bracket.
The filter is in the line before that.
You still need a filter, and you'll most likely need a length of 5/16" fuel line to locate the manual unit where it is accessible.
It can go anywhere between the filter and the pump.
You'll also need a means of plugging the vacuum line/port from the intake runner to the vacuum petcock.
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"Once you accept that a child on the autistic spectrum experiences the world in
a completely different way than you, you will be open to understand how that
perspective
is even more amazing than yours."
To realize the value of nine months:
Ask a mother who gave birth to a stillborn.
"Don't piss off old people The older we get, the less 'Life in Prison' is a deterrent.”
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Howie
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« Reply #12 on: November 13, 2011, 04:49:38 AM » |
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Glass_Darkly
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« Reply #13 on: November 13, 2011, 05:23:18 AM » |
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Glass_Darkly
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« Reply #14 on: November 14, 2011, 02:47:53 AM » |
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Is there anyway that there could be water / moisture in the combustion chambers ? would it be an idea to do an oil change and  flush the engine through as there is a little condensation on the sight glass ? |
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