Sounds legit

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Wear the fox hat

Motorcycles must use
an unaltered frame (original or new) and two of the following major components from the original machine.
Forks
Wheels
Engine or gearbox
If a second-hand frame is used, the vehicle must have Motorcycle Single Vehicle Approval (MSVA). A ‘Q’ registration number will then be issued (see section 7).

That is the only legal way

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2001 X1 2009 1125CR 2006 Uly X3 2010 Uly a fully Maz'd S1 and a 1991 RS1200 Westwind.

i have a xb 9 motor wheels and forks. frames don't have to remain std you can chop them up as much as you want. they don't issue q plates anymore and haven't for a while.

But non of those parts belong to that V5 ......................so if you don't use that Xb frame then that Vin number does not legally apply to the vehicle.

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2001 X1 2009 1125CR 2006 Uly X3 2010 Uly a fully Maz'd S1 and a 1991 RS1200 Westwind.

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2001 X1 2009 1125CR 2006 Uly X3 2010 Uly a fully Maz'd S1 and a 1991 RS1200 Westwind.

an unmodified frame, either original or new (motorbike)

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2001 X1 2009 1125CR 2006 Uly X3 2010 Uly a fully Maz'd S1 and a 1991 RS1200 Westwind.

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"With square conduct, level steps, and upright intentions ..”

there's no proof the wheels and fork don't belong to that v5 as they are like for like. the engine number can be easily changed as it is like for like in the way you would if the original had blown. the frame will technically be converted but the bike will not be a rebuild.

How are you technically converting the frame. The XB frame holds the fuel in it ... ? Will your custom bike use the original XB frame?

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"With square conduct, level steps, and upright intentions ..”

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2001 X1 2009 1125CR 2006 Uly X3 2010 Uly a fully Maz'd S1 and a 1991 RS1200 Westwind.

Dogmetal...it's the sort of thing you can get away with only until you get pulled by someone who knows what they are looking at or you take it in for an MOT with a tester who does his job properly. The SVA rules are there for a reason and you can't just create a 'triggers broom' of a bike and retain the identity. A motorbikes identity is indelibly linked to the frame (or identical brand new frame in the event that a replacement is required due to damage). Take away the frame and you are left with a vehicle that requires an SVA regardless of what other parts of the original bike you have used.

It's your build, do what you like, nothing to do with me or anyone else but don't blame anyone but yourself when the inevitable happens and you see all your hard work and investment sent to the crusher...

Edit.....your build would probably class as a 'radically altered vehicle' rather than a kit, regs are here:
https://www.gov.uk/vehicle-registration ... d-vehicles

Hmmmm..........not sure that discussing this kind of thing on an open forum is particularly wise
However, this kind of mlarkey goes on all the time with classic trials bikes, (that really only use public highways for a few 100yds etc) The police in rural areas tend to turn a very sensible blind eye and treat the trials bikes very much like 'agricultural vehicles' so long as the riders don't take the piss and cause any problems

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If your dreams don't scare you, they are not big enough.

well i had talked to some one that had been though this process but it seems they got it wrong and in turn so did i. as for discussing it no law has been broken.

It was a useful discussion then

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Wear the fox hat

Anyway I've never seen a bike from made from a doner. I'd imagine the handling would be a bit soggy.

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aka DrBagiva, DrBusqvarna, Uncle Knobhead