How to buy a used motorcycle with confidence

Do the homework before you leave the house

A used motorcycle can look immaculate and still be a money pit, and the reverse is also true: a scruffy commuter with a fat folder of receipts is often the better buy. The trick is to decide what you are looking at before you stand in someone's driveway with your helmet in hand, because it is far too easy to fall for a shiny tank and a rumbling exhaust.

Start with the advert. Ask the seller for the registration number and the VIN, then run a paid history check. It costs less than a tank of fuel and tells you whether the bike has been written off, reported stolen, or is still on outstanding finance — the last one being the nightmare scenario, because a lender can repossess a machine you have paid for in good faith.

Ask for the V5C document number too, and check the chassis and engine numbers match what is printed on it. A mismatch is not always sinister, but it is always worth an explanation.

Ask the seller, before you travel:

• How long have you owned it, and how many previous keepers are on the V5C?
• Is there a full service history, and are the stamps or invoices present?
• When was the last MOT, and what advisories did it carry?
• Has it ever been dropped, stolen, or used on a track?
• Is it currently taxed and insured, and can it be started from cold when I arrive?

If the answer to the last question is "it's already warm", be suspicious. A warm engine masks rattles, smoke and poor cold starting.

Inspect the frame, not the fairing

Panels are cheap and easy to replace; frames are not. Before you look at anything else, get down on your knees with a torch and examine the headstock, the swingarm pivot, the footpeg mounts and the subframe for creases, ripples, welding that looks different from the factory finish, or paint that does not quite match. Chipped paint on a crash bung is normal. Wrinkled paint on a frame rail is a story the seller may not want to tell you.

Then work outwards. Look along the fork legs for pitting and oil weeping around the seals. Check the shock for misting. Rock the wheels to feel for play in the head bearings and wheel bearings. Spin each wheel and watch the rim for run-out — a buckled wheel is an MOT failure waiting to happen.

Chain and sprockets tell you a lot about the owner. A dry, rusty chain with hooked teeth at 12,000 miles suggests a rider who ignored everything else too.

The cold start is the best ten seconds of your day

Insist on hearing it start from stone cold, with your hand on the engine cases confirming it is genuinely cold. Listen carefully. A healthy engine catches quickly and settles into a steady idle. What you do not want to hear is a long crank, a rattle from the top end that disappears once oil pressure builds, or a rattle from the bottom end that does not disappear at all. Blue smoke at start-up on a four-stroke is usually valve guides or rings; white smoke that lingers is worse.

Let it idle for a couple of minutes and watch the temperature gauge. Check for leaks underneath and sniff around the radiator. On a water-cooled bike, look at the coolant level and colour — brown sludge means it has been neglected. On an air-cooled one, check the fins for damage and the oil level on the dipstick or sight glass.

Electrics, brakes and tyres

Electrical gremlins are the most irritating faults to chase, so be methodical. Turn the bars lock to lock and watch the headlight and dash for flickers — that points to a broken loom near the headstock. Test every switch: horn, indicators, brake light on both levers, main beam, kill switch, heated grips if fitted. Check the battery terminals for corrosion and ask when the battery was last replaced.

On the brakes, look at pad thickness and disc wear — run a fingernail across the disc face to feel for deep grooves or a pronounced lip at the edge. Squeeze the front brake hard and feel for a spongy lever or pulsing, either of which hints at air in the system or warped discs.

Tyres are your only contact with the road. Check the date codes on the sidewall, not just the tread depth. A tyre with 4mm of tread but a manufacture date eight years ago has hardened and will grip poorly in the wet, whatever the seller claims about "loads of life left".

Take the test ride properly

Never buy a bike without riding it. Make sure you are insured, the bike is taxed, and you have a helmet. Your test route should include a slow-speed section, a stretch of faster road, and some corners you know well.

• Does it pull cleanly from low revs, or stumble and hesitate?
• Do the gears select without false neutrals, and does the clutch bite smoothly?
• Does it track straight when you take your hands lightly off the bars?
• Do the brakes stop it in a straight line without grabbing or juddering?
• Any vibration, knocking or whine that changes with speed or revs?

When you get back, check the engine again for fresh leaks and let it idle while you talk to the seller. Heat exposes problems cold engines hide.

Money, paperwork and knowing when to walk

Pay by bank transfer rather than cash, and only once you have the V5C in your hand with the seller's details matching their ID. Complete the new keeper section there and then, and take a photo of the whole document. Get a written receipt with the date, price, registration, VIN and both names — it takes two minutes and settles any later argument.

Finally, give yourself permission to walk away. There are thousands of used motorcycles for sale in the UK at any moment, and the one you are standing next to is not the last. A seller who resists a cold start, refuses a test ride, or gets vague about the history is telling you something. Believe them, thank them for their time, and go and find the bike that deserves your money.