Honda Cm90 vs Honda Unknown: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Honda Cm90
87%
MOT pass rate · 8 vehicles
Honda Unknown
85%
MOT pass rate · 1,041,859 vehicles
Verdict: On MOT pass rate the Honda Cm90 (87%) and Honda Unknown (85%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Honda Cm90 | Honda Unknown |
|---|---|---|
| MOT pass rate | 87% ✓ | 85% |
| MOT failure rate | 13% ✓ | 15% |
| Faults & advisories per test | 0.2 ✓ | 0.9 |
| Dangerous-fault share | 0% ✓ | 3% |
| Average mileage | 13,579 mi | 25,474 mi |
| Sample size (vehicles) | 8 | 1,041,859 |
Most common faults
Honda Cm90
- Rear shock absorber has a slightly reduced damping effect (2.4.A.3b)
- front tyre has hair line cracks in walls.
- Front Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking (6.1.1c)
- Wheel alignment incorrect which adversely affects the handling (2.4 (a))
- Headlamp aim too high (4.1.2 (a))
Honda Unknown
- Exhaust noisy (8.1.1 (a))
- Rear Tyre worn close to the legal limit (5.2.3 (e))
- Chain guard missing
- Rear reflector missing (4.8.2 (a) (ii))
- Drive chain slightly loose (6.1.7 (c) (i))
- Front Brake binding but not excessively (1.2.1 (f))
Reliability FAQ
On MOT pass rate the Honda Cm90 (87%) and Honda Unknown (85%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Honda Cm90 report Full Honda Unknown report Most reliable cars
Pass rates are computed over completed (pass/fail) MOT tests. Reliability also depends on age, mileage and upkeep — see each model's page for the full picture.