MOT failure rate and common problems for the Yamaha Xt650, and how to check your own car by registration.

Updated 05 September 2026.

35.6%fail rate

Yamaha Xt650 MOT failure rate

What a Yamaha Xt650 fails its MOT on, and the part that fixes each.

What it fails on, and why

Brakes28.6% of failures

Brake failures cover worn pads and discs, an imbalance between wheels, corroded or scored discs, or a binding caliper. Braking efficiency is measured on a rolling road, so a spongy or pulling brake shows up as a low reading.

Other23.8% of failures

This covers a range of smaller items, from a non-working horn to a warning light left on.

Lamps & electrical23.8% of failures

Lighting is the single most common MOT failure and the cheapest to put right. A blown headlight, brake-light or number-plate bulb, a cracked lens, or a headlamp beam that points too high or low will all fail. Most are a two-minute bulb swap.

Suspension14.3% of failures

Suspension failures usually mean a worn or snapped coil spring, a leaking shock absorber, or play in a lower arm ball joint or bush. The tester checks for corrosion, fractures and excessive movement. A broken front spring is one of the most common failures on higher-mileage cars and is a straightforward replacement.

Body & structure9.5% of failures

Structural failures are corrosion in load-bearing areas, sharp edges, or insecure panels. These are inspection-and-welding jobs rather than a simple bolt-on part, so weigh them against the value of the car.

Tyres4.8% of failures

Tyres fail for tread below the 1.6mm legal limit across the central three-quarters, uneven or exposed-cord wear, or sidewall damage. The tester inspects all four; a single illegal tyre is a fail.

The parts that fix each

If your car has just failed, you have 10 working days to fix the items and get a free partial retest. Confirm the exact fitment against your registration or VIN before buying.

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For the lamps & electrical failure: Yamaha Xt650 headlight and indicator bulbsShop Yamaha Xt650 headlight and indicator bulbs on Amazonaffiliate Find Yamaha Xt650 headlight and indicator bulbs on eBayaffiliate

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Other models

All Yamaha models MOT failure rates comparedRanked worst to best Yamaha Yzf MOT failures16.6% failure rate Yamaha Fzs600 MOT failures15.0% failure rate Ford Fiesta MOT failures27.1% failure rate

Questions and answers

What is the MOT failure rate of the Yamaha Xt650?

It fails 35.6% of its MOT tests across the DVSA record, from 59 tests.

What do these cars fail their MOT on most?

The most common failure area is brakes, at 28.6% of this model's failures.