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H657 CMC

1991 Yamaha Unknown

Blue Petrol 98cc
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MOT Status

Valid
Expires26 Aug 2026
Tests8 (5 pass, 3 fail)
Pass rate62.5%

Mileage

29,926 mi
Last recorded29,926 miles
Recorded on27 Aug 2025
Typical for 1991 Yamaha Unknown18,577 mi

Significantly above average — investigate

4 checks still locked for this Yamaha
Stolen
Finance
Write-off
Keepers
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Vehicle Details

RegistrationH657 CMC
MakeYamaha
ModelUnknown
Year1991
ColourBlue
Fuel typePetrol
Engine98cc

All premium checks include

50+ data points
Finance Check (Experian) Insurance Write-off Salvage Auction Stolen Check Previous Owners Ex-Taxi, Police, NHS Mileage Anomaly Import / Export Scrapped Check Plate Changes

MOT History

5 pass 3 fail
Pass 27 Aug 2025 29,926 miles

Exhaust noisy (8.1.1 (a))

Fail 27 Aug 2025 29,926 miles

Exhaust noisy (8.1.1 (a))

Headlamp aim too low (4.1.2 (a))

Offside Rear Direction indicator not working (4.4.1 (a) (ii))

Pass 3 Aug 2024 28,335 miles

Exhaust noisy (8.1.1 (a))

Fail 27 Jul 2024 28,286 miles

Fuel system component leaking (6.1.3 (b) (i))

Headlamp aim unable to be tested (4.1.2 (b))

Headlamp not working on dipped beam (4.1.1 (a) (ii))

Exhaust noisy (8.1.1 (a))

Pass 26 Jun 2023 27,183 miles

Front Shock absorber has a light misting of oil fork seals (5.3.2 (b))

Pass 2 Feb 2022 26,381 miles

Exhaust noisy (8.1.1 (a))

Pass 5 Oct 2020 24,753 miles

Rear Brake lining(s) close to minimum limit (1.1.13 (a))

Fail 5 Oct 2020 24,753 miles

All direction indicators adversely affected by the operation of another lamp (4.4.3 (b))

Rear Brake lining(s) close to minimum limit (1.1.13 (a))

How Reliable is the Yamaha Unknown?

Based on 20,218 MOT tests across 8,531 vehicles.

86.8%
Pass Rate
257
Miles/Year
52
Year Lifespan
8,531
On UK Roads
Full Yamaha Unknown reliability report

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H657 CMC is a 1991 Yamaha Unknown in Blue with a 98cc petrol engine. This vehicle has been through 8 MOT tests with a personal pass rate of 62.5%.

Across all 1991 Yamaha Unknown models, the average MOT pass rate is 81.9% with a typical mileage of 18,577 miles. This particular vehicle has a lower pass rate than the average for its year, which may indicate maintenance issues worth investigating.

The Yamaha Unknown typically stays on UK roads for around 52 years. At 35 years old, this Yamaha Unknown is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of H657 CMC?

You can check the full history of H657 CMC by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was H657 CMC registered?

H657 CMC is a 1991 Yamaha Unknown, first registered on 13 March 1991.

Is H657 CMC safe to buy?

The MOT history for H657 CMC shows 8 tests with a 62.5% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does H657 CMC have outstanding finance?

Finance checks require a premium vehicle report. This checks against all major UK finance providers to see if there is any outstanding finance on H657 CMC. If you buy a car with outstanding finance, the finance company can repossess it.

No warranty or guarantee of accuracy is provided for any free data on this page. The data guarantee applies only to information obtained through the purchase of a full check.