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+--- Thread: Deisel in motorcycle petrol tank (/showthread.php?tid=74591)
Deisel in motorcycle petrol tank - joebloggs - 30-12-15
Bloke down the road from me has filled up with derv, I've drained the tank and refilled with fresh gas, only problem is the carb drain screws have been chewed up in the past and being a v-twin (1100 Dragstar) theres not much chance of tapping them round without removing the carbs (something I'm not prepared to do just incase this little bit of help turns into a nightmare)
I've had it sort of running by squirting easy start down the air intake, I know its only burning the easy start but at least its drawing the derv out of the float bowls at the same time. Question is how bloody long is it going to take to get enough fresh fuel into the bowl to run.
Am I knocking my head against a brick wall or do you think it'll clear itself?
Re: Deisel in motorcycle petrol tank - nickodemon - 30-12-15
I would put a couple of litres of unleaded in the tank, shake it about and drain to make sure the residue from the diesel is removed. When spraying quick start into the intakes most of it will go direct into the intake ports so you arent going to draw much of the diesel out of the bowls. You could remove the plugs and spin it over on full throttle and it will eventually draw the diesel through.
Re: Deisel in motorcycle petrol tank - nickodemon - 30-12-15
I'll say nowt about how you spell diesel then...
Re: Deisel in motorcycle petrol tank - joebloggs - 30-12-15
(30-12-15, 09:26 PM)nickodemon link Wrote: I would put a couple of litres of unleaded in the tank, shake it about and drain to make sure the residue from the diesel is removed. When spraying quick start into the intakes most of it will go direct into the intake ports so you arent going to draw much of the diesel out of the bowls. You could remove the plugs and spin it over on full throttle and it will eventually draw the diesel through.
Plugs out was my next move, the quick start was helping to draw some through (looks like a choked up twostroke when it fires) but at this rate I'll be at it next xmas.
Think I'll give him an hour in the morning, if its not running by then he can get a dealer to sort it out.
Re: Deisel in motorcycle petrol tank - BBROWN1664 - 30-12-15
Flush the tank and turn the bike over with the choke on and full throttle till you think all the derv has gone. Or take carbs off and drain them that way.
Re: Deisel in motorcycle petrol tank - joebloggs - 30-12-15
(30-12-15, 09:28 PM)nickodemon link Wrote: I'll say nowt about how you spell diesel then...
I used to be reasonable at spelling but spell check made me lazy, now foced up without it lol
Re: Deisel in motorcycle petrol tank - joebloggs - 30-12-15
(30-12-15, 09:33 PM)BBROWN1664 link Wrote: Flush the tank and turn the bike over with the choke on and full throttle till you think all the derv has gone. Or take carbs off and drain them that way.
Not prepared to remove the carbs, the bikes in the local quick fit so can't imagine them being to happy with me pulling the bike apart in their workshop and secondly, a split inlet rubber or a sheared bolt and I'm stuck with a job I didn't need
Re: Deisel in motorcycle petrol tank - fazersharp - 30-12-15
(30-12-15, 09:03 PM)joebloggs link Wrote: Bloke down the road from me has filled up with derv,
Are you sure ----- sounds like, yeh - er there's this chap I "know"
who got caught #@~*+ in a public space and "he" is asking me if it will effect his chance of his attempt to be an MPDiesel in a bike - I can almost forgive in a car if you are in auto mode it can be done -- but in a BIKE !!
Also begs the question why do they not make diesel motorbikes
Re: Deisel in motorcycle petrol tank - joebloggs - 30-12-15
They did make one in India. A single cylinder in a Enfield chassis. Never worked out the mpg as it fell apart through vibration before it used a gallon lol
Re: Deisel in motorcycle petrol tank - BBROWN1664 - 30-12-15
Harley did a diesel bike that the Army used.
Did about a zillion miles per tank across all sorts of terrain
Re: Deisel in motorcycle petrol tank - Exupnut - 30-12-15
True....it was 350cc but there using these now....
http://youtu.be/CRzP_NMIYrU
Re: Deisel in motorcycle petrol tank - Fazerider - 31-12-15
(30-12-15, 09:26 PM)nickodemon link Wrote: ... You could remove the plugs and spin it over on full throttle and it will eventually draw the diesel through.Remove the plugs and there will be no vacuum to pull the fuel through!
Re: Deisel in motorcycle petrol tank - Gnasher - 31-12-15
Drain the tank as you've done, drain the fuel pipes as much as possible by just disconnecting at the base of each at the carb. To drain the carbs without removing them lay the bike in its side (both) for a few minutes that will drain most out of them.
Refit the tank full of petrol reconnect the fuel lines and that should be you done it might splatter but not for long.
I've had this a few times where owners have filled bikes from fuel cans with the wrong fuel for the colour of can.
Re: Deisel in motorcycle petrol tank - joebloggs - 31-12-15
Its going to a dealers on Monday, I said I'd give it an hour this morning and I just couldn't get enough diesel out and fresh fuel in. Bit annoyed with myself for not getting it started and also for offering to help in the first place, never mind.
Thanks for the suggestions
Re: Deisel in motorcycle petrol tank - His Dudeness - 31-12-15
Run it off another fuel source. Hook up a dummy tank with fresh fuel piped straight to the carbs. That should get it going
Re: Deisel in motorcycle petrol tank - crickleymal - 04-01-16
How long does it take to drain the float chambers and a bit of piping by cranking the engine? Surely it can't be very long (OK longer than the battery's capacity maybe). Are the plugs fouled up by trying to light diesel?
Re: Deisel in motorcycle petrol tank - joebloggs - 04-01-16
(04-01-16, 11:17 AM)crickleymal link Wrote: How long does it take to drain the float chambers and a bit of piping by cranking the engine? Surely it can't be very long (OK longer than the battery's capacity maybe). Are the plugs fouled up by trying to light diesel?
If you turn your fuel off when riding you can go quite along way before spluttering to a halt. If I hadn't given up I think I'd still be at it now.
The dealer charged him £130 for collecting it, draining the carbs and a set of plugs
Expensive error but he's back on the road