Diesel bike

[yodagoat]

My current projects (C90, R1100s) will be finished soon. I'm now thinking about building a diesel bike for my next project. Has anyone done anything like this before? Anyone ridden a diesel bike? I've been looking on the diesel bike forum, all the guys on there really know their shit.
What's your thought's guys?
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[Copycat73]

I saw a bespoke "invention" @ whitton castle, made by a ex-sectioned individual utilizing a robin diesel engine and a large fly-wheel 12" or so driven by a belt drive affair.... it did fall into the bracket of motorised transport ....
in the same way he fell into the bracket of homo sapiens...

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[stevo as b4]

If I had a Diesel motor sat around and an suitable old bike with a blown engine that was hard to get parts for then yeah maybe id give that a go.

I've seen a few builds on the diesel bike's site, and while some are very basic and not very well built, there are some good ones. I'd say the keeping it simple is the only real attraction to building one though. Once you start trying to engineer it to be more than a basic plod along form of transport, it gets massively less sensible or interesting IMO.

[CaNsA]

Oh joys, yet another diesel bike thread.

https://www.google.co.uk/search?q=site:bikechatforums.com+"Diesel+bike"

[Clanger]

[RhynoCZ]

Check the ebay for Royal Enfield Diesel.
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'87 Honda XBR 500, '96 Kawasaki ZX7R P1, '90 Honda CB-1, '88 Kawasaki GPz550, MZ 150 ETZ
'95 Mercedes-Benz w202 C200 CGI, '98 Mercedes-Benz w210 E200 Kompressor

[The Artist]

It will be heavy and the power delivery will resemble that of a lorry. Unless it's just for a project then go for it. I'd rather go electric and put a diesel generator on there.

[garth]

Diesels are fucking hateful.

I'll tolerate one in a workhorse car - not a chance on a bike.
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[dydey90]

To get a decent level of power, surely you'd need something at least 1000cc as you'd be using a car engine for ease and availability. Plus, the added difficult of a turbo both in riding and fitting/maintaining.

Maybe it would be possible to convince it to return astromomical fuel economy though, so maybe useful for a motorway commuter?
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[RhynoCZ]

I would give a diesel bike a go. The MPG sounds just far too great to not to try it. Not every day one wants to go flat out like a mental person.
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'87 Honda XBR 500, '96 Kawasaki ZX7R P1, '90 Honda CB-1, '88 Kawasaki GPz550, MZ 150 ETZ
'95 Mercedes-Benz w202 C200 CGI, '98 Mercedes-Benz w210 E200 Kompressor

[dandelion]

NC700? Sure felt like diesel powered to this non connosieur.

[Polarbear]

Just cannot see any point. I don't ride a bike for economy but if I did I'd get something like an NC700 or a 125 depending on my commute. I'm not convinced a diesel would be any better and certainly less ridable than either.

If you are talking about it as a project, well OK from the engineering point of view but then I'd rather make a radical cuastom bike.
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[UnknownStuntm...]

[Polarbear]

^^^^ ^^^
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[pepperami]

I`ve said this before : with some of the small Japanese diesel engines available , It must surely be viable to put one in a motorbike frame.

If some of these little three cylinder diesel powered commuter cars can buzz along at 70mph +, then surely the engine would be small enough to fit in a large bike frame and be strong enough to power a bike along at a reasonable rate?


EDIT: oh yer, I forgot : it will be shit cos it cant do 200mph or have 200bhp
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[dandelion]

200mph/bhp aside... It would still beg 'why'.

[RhynoCZ]

[yodagoat]

Why? Just for the project/crack/something different.

I've got the GS and the ZZR for when I need someting that is fast and handles etc etc.

It's probably going to an be enfield based plodder. I've heard of some of them getting 150 - 200 MPG. That's more than my C90 gets!!
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[RhynoCZ]

https://www.enfieldmotorcycles.com/blog/2011/11/royal-enfield-diesel-bikes/

[pepperami]

[Jim Mc]

Thing is with diesels, they use high pressure common rail and turbos to get the equivalent power of a petrol.

Common rail requires large high pressure pumps and they're bulky and heavy.
Turbos are bulky and heavy.

You also need good fuel filtration which is usually large.

Or do they just sack off the high pressure stuff?

[stevo as b4]

[BigDan1190]

There are videos of a triumph tiger with a diesel engine on youtube doing burnouts and even wheelies, so I imagine it has a decent power delivery, even if it might be ALL torque... didn't sound so sexy though.

Have a search

[Tarmacsurfer]

Seen a few around. My personal favourite was powered by the donkey engine from a refrigerated container and wrapped in an old BMW frame and running gear.

Give it a go
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[Vracktal]