Lum wrote:
So you're limited to 20bhp if you register as a quad bike.
Are there any restrictions on modifications made after registration, as the UK seems to be incredibly lak in this area (eg. Subaru and Mitsubishi flashing ECUs and swapping out exhaust systems after registration to sidestep emissions regulations on their WR1, and FQ-series cars respectively)
20bhp quadbike. Register it, engine swap with a Hayabusa, get yourself killed.
OTOH, perhaps these buggies could be registered as cars?
Personally I have always wanted to put a go kart through SVA, though I imagine I'd need a big flag on it these days to avoid getting run over by someone's imported Dodge Ram.
It's a bit of a minefield! You're quite right that once registered, ou can o what you like with a vehicle BUT you still have to meet the Construction and Use requirements and the Road Vehicle Lighting Regs for the particular category of vehicle. The thing is, PC Plod very rarely prosecutes for breaches of C&U or RVLR - other than the obvious like defective lights, noisy exhausts, bald tyres etc. (and the yellow boxes on sticks don't seem to be too bothered either!)
Sometimes, changing one thing can affect something entirely unrelated. IF, for example, you get something that was type approved as a quadricycle and you put more power in it, you then make it (legally) a "car" and as such, it will have to meet "car" requirements. Quads only need to have their (as an example) seat belt anchorages tested to half the load that a car's belt anchorages have to withstand - so right away, by upping the power, you've made your seat belt anchorages not comply with C&U requirements! Similarly, I've a feeling that quads only need single circuit brakes whereas a car needs dual circuits. If that's the case, you'd make your brakes non-compliant too by upping the power.
Of course, the quad might have been designed to exceed the minimum requirements for a quad and meet the requirements for a car in the first place....
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