Motorbike History Checks: What to Look For

Why a motorbike needs a history check just as much as a car — in some ways more

This guide covers what a motorbike history check shows, why the insurance write-off rules are tougher for bikes than cars, which licence category you need for which machine, and the red flags worth checking in person. It's part of our guide to car history checks — the same checks and thinking apply, with a few bike-specific differences below.

Motorcycles are a disproportionate target for thieves — easier to move, easier to break up for parts, and harder to secure than a car. Official crime statistics don't publish a clean single "bikes are stolen X times more often than cars" figure (the Office for National Statistics has confirmed police-recorded vehicle theft data doesn't break motorcycles out separately from other vehicles in most published figures), so treat any specific multiplier you see quoted elsewhere with caution.

Every insurer, dealer and bike-safety body still treats theft as a materially bigger risk for bikes than cars. It's a major factor behind why sports and performance bikes in particular carry steep theft-related premium loadings, even though average motorcycle premiums overall sit below average car premiums for other reasons (lower annual mileage, seasonal use).

There's also a safety reason a history check matters more on two wheels: if a bike has been in an accident serious enough to damage the frame, that's not a cosmetic issue the way it might be treated on a car — see the next section.

Insurance write-off categories are tougher on bikes than cars

The same four write-off categories — Cat A, Cat B, Cat S and Cat N — apply to motorbikes, under the ABI Code of Practice for the Categorisation of Motorised Vehicle Salvage, the same industry rulebook that covers cars (see our guide to write-off categories for the full breakdown). Motorcycle-specific guidance isn't new — it's been part of the Code since the 2017 overhaul that replaced the old Cat A/B/C/D system with Cat A/B/S/N — but frame damage on a bike is still treated more strictly than on a car under the current edition (updated 28 May 2025).

On a car, structural damage can sometimes be assessed as Cat S — repairable, and legal to put back on the road once fixed and passed as roadworthy. On a motorbike, that route is much narrower: the Code has stated since 2017 (quoted via Thatcham Research, which co-develops the categorisation standards) that "structural damage to a motorbike frame will result in a Category B... assessment and the frame will be crushed" — partly to close down motorbike part theft and frame/engine-number tampering.

Treat frame damage on a bike as very likely Cat B territory, and check what the individual history-check report actually shows rather than assuming either way. Cat B vehicles can never be re-registered or returned to the road, full stop.

What a motorbike history check shows

A history check on a motorbike's registration covers the same ground as a car check: outstanding finance, write-off category, mileage discrepancy, and whether it's showing as reported stolen. Our Comprehensive check is built around exactly this data — you can see what the report looks like via the sample report — and it's worth running before you commit to a bike, the same way you would for a car. As with any vehicle check, treat a clean result as strong reassurance rather than an absolute guarantee: it reflects what's been reported by the time you run it, not a live guarantee for every second afterwards. (If you're unsure whether a specific registration is supported, contact us before you rely on the result — see the FAQ below.)

Which licence do you need? CBT, A1, A2 and full Category A

This is the check a car buyer never has to think about, and it trips people up: buying a bike you can't legally ride on your current licence is a genuinely common mistake, and it's worth confirming before you fall in love with a specific machine, not after.

UK motorcycle licences work in stages, per gov.uk:

• CBT (Compulsory Basic Training): the prerequisite for riding on L-plates before you hold a full licence at any level. Required first for AM, A1, A2 and full-A direct access (not needed again if you're progressing from an A1 or A2 licence you already hold).
• AM: mopeds up to 50cc, under 4kW, max speed 28mph. Minimum age 16.
• A1: light motorbikes up to 125cc and 11kW. Minimum age 17.
• A2: motorbikes up to 35kW (roughly 47bhp). Minimum age 19.
• A (full/unrestricted category): any motorbike, no power limit. Minimum age 24 via direct access, or 21 if you've held an A2 licence for at least two years (progressive access).

Before you buy, check the bike's power output against what your current licence actually allows — a dealer or private seller isn't obliged to check this for you, and riding above your licence category is an offence with insurance consequences too.

Buying checklist — beyond the history check

A history check and licence check cover the paperwork risk. In person, a handful of quick checks catch most mechanical problems:

• Frame and forks. Look for ripples, fresh paint in odd places, or misaligned panels — signs of a crash that wasn't declared.
• Chain and sprockets. Excessive slack or worn/hooked teeth mean near-term replacement cost.
• VIN/frame number. Check it matches the V5C and isn't scratched, re-stamped, or ground smooth — the same red flag as a car's chassis plate.
• Service history and paperwork. A logbook and service record from a reputable source; be wary if the seller can't produce a V5C at all.
• Cold start. Ask to see the bike started from cold — an engine that's suspiciously already warm can be masking a starting problem.

If you want the full mechanical inspection walkthrough, enthusiast guides go deeper on that than we will here — this page's job is the history-check and licence angle most of them skip.

FAQs