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C779 COU

1986 Yamaha YB100

Red Petrol 97cc
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MOT Status

Valid
Expires18 Jun 2027
Tests11 (8 pass, 3 fail)
Pass rate72.7%

Mileage

28,322 mi
Last recorded28,322 miles
Recorded on19 Jun 2026
Typical for 1986 Yamaha YB10021,440 mi

Above average mileage for this year

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

RegistrationC779 COU
MakeYamaha
ModelYB100
Year1986
ColourRed
Fuel typePetrol
Engine97cc

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

8 pass 3 fail
Pass 19 Jun 2026 28,322 miles

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

Front Shock absorber has a reduced damping effect (5.3.2 (b))

Front Wheel spoke slightly loose (5.2.2 (d))

Offside Mirror slightly loose

Rear Wheel spoke slightly loose (5.2.2 (d))

Fail 10 Jun 2026 28,309 miles

All direction indicators not working (4.4.1 (a) (ii))

Front Position lamp not working (4.2.1 (a))

Horn sound not in accordance with requirements (7.7 (c))

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

Front Shock absorber has a reduced damping effect (5.3.2 (b))

Front Wheel spoke slightly loose (5.2.2 (d))

Offside Mirror slightly loose

Rear Wheel spoke slightly loose (5.2.2 (d))

Fail 27 Apr 2026 28,303 miles

Front Position lamp not working (4.2.1 (a))

Front Shock absorber has a serious fluid leak (5.3.2 (b))

Pass 24 May 2025 28,290 miles
Fail 24 May 2025 28,290 miles

All direction indicators not working (4.4.1 (a) (ii))

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

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

Horn not working (7.7 (a))

Pass 14 Mar 2024 28,114 miles
Pass 4 Jun 2010 27,874 miles
Pass 13 May 2009 27,572 miles
Pass 12 May 2008 27,549 miles

Nearside Front shock absorber has light misting of stanchion (2.3.3)

Pass 20 Jun 2007 27,516 miles
Pass 19 Jun 2006 27,352 miles

How Reliable is the Yamaha YB100?

Based on 3,113 MOT tests across 600 vehicles.

78.4%
Pass Rate
185
Miles/Year
50
Year Lifespan
600
On UK Roads

Top MOT Failure Points

Stop lamp does not illuminate immediately a brake applies 98
shock absorber seal failed and leaking oil 82
Direction indicators not working 66
reflector on motorcycle missing 54
Horn not working 47
Full Yamaha YB100 reliability report

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C779 COU is a 1986 Yamaha YB100 in Red with a 97cc petrol engine. This vehicle has been through 11 MOT tests with a personal pass rate of 72.7%.

Across all 1986 Yamaha YB100 models, the average MOT pass rate is 75.0% with a typical mileage of 21,440 miles. This particular vehicle has a lower pass rate than the average for its year, which may indicate maintenance issues worth investigating.

The most common reason a Yamaha YB100 fails its MOT is stop lamp does not illuminate immediately a brake applies, accounting for 98 recorded failures. If you're considering buying C779 COU, it's worth having these areas checked by a mechanic before committing.

The Yamaha YB100 typically stays on UK roads for around 50 years. At 40 years old, this Yamaha YB100 is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of C779 COU?

You can check the full history of C779 COU by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was C779 COU registered?

C779 COU is a 1986 Yamaha YB100, first registered on 16 May 1986.

Is C779 COU safe to buy?

The MOT history for C779 COU shows 11 tests with a 72.7% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does C779 COU 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 C779 COU. 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.