MOT Status
ExpiredMileage
23,434 miSignificantly above average — investigate
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Vehicle Details
All premium checks include
50+ data pointsMOT History
Direction indicators flashing less than 60 times a minute (1.5.1c)
How Reliable is the Yamaha Unknown?
Based on 20,218 MOT tests across 8,531 vehicles.
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SNL 139S is a 1978 Yamaha Unknown in White with a 246cc petrol engine. This vehicle has been through 2 MOT tests with a personal pass rate of 50%.
Across all 1978 Yamaha Unknown models, the average MOT pass rate is 85.8% with a typical mileage of 15,112 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 48 years old, this Yamaha Unknown is approaching the upper end of the typical lifespan for this model.
Frequently Asked Questions
How do I check the history of SNL 139S?
You can check the full history of SNL 139S by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.
What year was SNL 139S registered?
SNL 139S is a 1978 Yamaha Unknown, first registered on 20 April 1978.
Is SNL 139S safe to buy?
The MOT history for SNL 139S shows 2 tests with a 50% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.
Does SNL 139S 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 SNL 139S. 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.