Jawa Unknown Reliability, MOT Pass Rate & Common Faults
Free Jawa Unknown car check
Is the Jawa Unknown reliable? We analysed 216 real MOT tests across 109 vehicles to find out.
Got a specific Jawa Unknown? Enter the reg for a free check:
The Jawa Unknown is above average for reliability based on real UK MOT data. Common problems include wheel bearings have excessive free play, reflector on motorcycle missing and riders seat insecure. Here's everything you need to know before buying a used Jawa Unknown.
Jawa Unknown Number Plates
Number plates registered to a Jawa Unknown. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.
Jawa Unknown MOT Pass Rate by Year
How likely is a Jawa Unknown to pass its MOT? Here's the pass rate for each registration year, newest first.
Jawa Unknown Problems — What Goes Wrong?
The most common reasons a Jawa Unknown fails its MOT, ranked by how often they occur. Check for these problems before you buy.
Jawa Unknown Common Faults & Problems
These are the most common serious faults found on Jawa Unknown models during MOT testing — flagged as dangerous or major failures that need immediate attention.
Jawa Unknown Mileage — What's Normal?
How many miles does a typical Jawa Unknown owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.
Jawa Unknown MOT Data by Registration Year
Full breakdown of pass rate and mileage for each year. Use this to compare the Jawa Unknown year you're looking at.
| Year | Tests | Pass Rate | Low Mi. | Typical Mi. | High Mi. |
|---|---|---|---|---|---|
| 2014 | 56 | 89.3% | 3,020 | 6,269 | 12,129 |
Jawa Unknown Mileage Distribution
Total mileage recorded across all Jawa Unknown MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.
Best Year to Buy a Used Jawa Unknown
Based on MOT pass rates across all registration years with sufficient test data.
89.3% MOT pass rate from 56 tests
The best year to buy a used Jawa Unknown is 2014, which has the highest MOT pass rate at 89.3% across 56 tests.
How Does the Jawa Unknown Compare?
MOT pass rates compared to similar models. Click any model for the full breakdown.
| Model | Pass Rate | Tests | Typical Mileage | Lifespan |
|---|---|---|---|---|
| Jawa Unknown THIS CAR | 89.8% | 216 | 5,198 mi | 12 yrs |
| Jawa 350/639 | 87.2% | 881 | 11,178 mi | 36 yrs |
| Jawa 210 | 87.5% | 614 | 315 mi | 35 yrs |
| Jawa 350 | 86.4% | 531 | 8,912 mi | — yrs |
| Innocenti Lambretta | 92.8% | 276 | 960 mi | — yrs |
Compared to the Jawa 350/639 (87.2% pass rate) and the Jawa 210 (87.5% pass rate), the Jawa Unknown outperforms both on MOT reliability.
Found a Jawa Unknown you like?
Run a full vehicle history check on the specific car. See finance, stolen, write-off, mileage and MOT data for that exact vehicle.
Check a specific Jawa UnknownShould you buy a used Jawa Unknown?
The Jawa Unknown has an overall MOT pass rate of 89.8% across 216 real MOT tests — comfortably above the UK average, which puts it among the more reliable models on UK roads.
The most common problems on the Jawa Unknown are wheel bearings have excessive free play (2 recorded failures), reflector on motorcycle missing (2), and riders seat insecure (2). These are the faults most likely to cause an MOT failure on this model, so check for them carefully on any test drive or pre-purchase inspection. Many are wear-and-tear items that can be budgeted for, but a car that's already failing on multiple fronts may signal neglected maintenance.
On the safety side, the most frequently flagged dangerous fault is brake pad(s) less than 1.0 mm thick. Dangerous faults cause an immediate MOT failure and mean the vehicle is not roadworthy until repaired. If you're viewing a Jawa Unknown with an expired or recently passed MOT, ask the seller whether any dangerous faults were found and fixed during the last test.
A typical Jawa Unknown owner drives around 538 miles per year. If the car you're looking at is significantly above this, expect more wear on suspension, brakes and tyres. If it's well below, the vehicle may have been sitting unused — check for perished rubber, corroded discs and stale fluids.
In terms of longevity, most Jawa Unknown models stay on UK roads for around 12 years. If you're buying one that's already approaching that window, the data suggests it has plenty of life left provided it's been maintained.
Before committing to a purchase, we recommend running a full vehicle history check on the specific car. This will reveal any outstanding finance, stolen markers, write-off history and mileage discrepancies that the seller may not disclose — and that the MOT data alone can't tell you.