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B46 CMU

1985 Yamaha Unknown

Black Petrol 595cc
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MOT Status

Valid
Expires2 Jun 2027
Tests7 (5 pass, 2 fail)
Pass rate71.4%

Mileage

1,760 mi
Last recorded1,760 miles
Recorded on3 Jun 2026
Typical for 1985 Yamaha Unknown18,245 mi

Below or average mileage for this year

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

RegistrationB46 CMU
MakeYamaha
ModelUnknown
Year1985
ColourBlack
Fuel typePetrol
Engine595cc

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 2 fail
Pass 3 Jun 2026 1,760 miles

Exhaust has a minor leak of exhaust gases (6.1.2 (a))

Front Brake binding but not excessively (1.2.1 (f))

Front Valve stem slightly damaged (5.2.3 (j))

Number plate has slightly reduced border

Pass 30 May 2025 1,153 miles

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

Fail 29 May 2025

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

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

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

Nearside Front Direction indicator not working (4.4.1 (a) (ii))

Pass 6 Apr 2024 1,010 miles
Pass 8 Apr 2023 680 miles
Fail 8 Apr 2023 680 miles

Rear reflector missing (4.8.2 (a) (ii))

Pass 7 Feb 2022

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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B46 CMU is a 1985 Yamaha Unknown in Black with a 595cc petrol engine. This vehicle has been through 7 MOT tests with a personal pass rate of 71.4%.

Across all 1985 Yamaha Unknown models, the average MOT pass rate is 86.4% with a typical mileage of 18,245 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 41 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 B46 CMU?

You can check the full history of B46 CMU by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was B46 CMU registered?

B46 CMU is a 1985 Yamaha Unknown, first registered on 31 December 1985.

Is B46 CMU safe to buy?

The MOT history for B46 CMU shows 7 tests with a 71.4% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does B46 CMU 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 B46 CMU. 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.