Quad bike - diesel instead of petrol..

1198 · World Chat Champion Joined: 24 Jan 2013 Karma :

A friend has stuck diesel in his quad bike instead of petrol. It’s barely running / not running at all. Am I right in thinking fuel tank off, drain fuel system / carb and flush through with petrol and we should be ok?
Any hints please?

stinkwheel · Bovine Proctologist Joined: 12 Jul 2004 Karma :

Should be, seen it done with bikes a few times and they lived to tell the tale.

Not sure about the fuel pump, some car ones have o-ring seals that get damaged by the wrong fuel. More often the other way though (ie petrol through a diesel pump). Also if it's new enough to have fuel injection and exhaust gas sensors, you can yak up the sensor causing a fault code.

Maybe clean the plug, I bet it's pretty sooty by now.
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MCN · Super Spammer Joined: 22 Jul 2015 Karma :

Diesel engines are too heavy to put in a bike or a quad.

And their acceleration characteristics are not enviable.

I hope this helps.
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Disclaimer: The comments above may be predicted text and not necessarily the opinion of MCN.

stinkwheel · Bovine Proctologist Joined: 12 Jul 2004 Karma :

ThunderGuts · World Chat Champion Joined: 13 Nov 2018 Karma :

I would have thought the power delivery of a diesel would be ideal for a "working" quad, towing trailers up still inclines etc...?
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1198 · World Chat Champion Joined: 24 Jan 2013 Karma :

Fuel tank removed and thoroughly drained, then washed out with unleaded. Drain for carb loosened and emptied, then left open until empty. Tank filled and fresh petrol allowed to fill the system until proved from the carb drain.
Jump leads bodged from a electric light wire and jump started from aHonda Civic. Sorted!

stinkwheel · Bovine Proctologist Joined: 12 Jul 2004 Karma :

A100man · World Chat Champion Joined: 19 Aug 2013 Karma :

1198 · World Chat Champion Joined: 24 Jan 2013 Karma :

I’m definitely not an ‘urban quad bike rider’ - it’s used for farm tasks, no more, no less. I would be lying if I said I hAted riding it though, in small doses at least!

MCN · Super Spammer Joined: 22 Jul 2015 Karma :

Nobby the Bastard · Harley Gaydar Joined: 16 Aug 2013 Karma :

He just used house electrical cable connected to a battery.....
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