BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ MOTO GUZZI/850 LE MANS
Model report · 2005–2025

MOTO GUZZI 850 LE MANS

850cc Petrol Class 2
85.4%
first-time pass rate
6.3%
failed outright
39,996
median miles at test
316
MOT tests, 2005–2025

Pass rate by mileage

how the 850 LE MANS's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage 850 LE MANS passes first time 88.5% of the time; by 40k that's 82.9%.

80%89%99%0k: 88.5% pass (52 tests)10k: 95.9% pass (49 tests)20k: 85.3% pass (34 tests)40k: 82.9% pass (82 tests)0k20k40k

First-time pass rate by odometer reading at test, 10,000-mile bands for this model. Mileage is the strongest reliability signal. See the full curve.

What fails on a 850 LE MANS

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
brakes
18 43.9
lighting and signalling
10 24.4
steering and suspension
7 17.1
tyres and wheels
2 4.9
fuel and exhaust
1 2.4
reg plates and vin
1 2.4
driving controls
1 2.4
body and structure
1 2.4

Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects.

How rivals compare

same type, similar capacity, high test volume

On first-time pass rate the 850 LE MANS beats 3 of its 4 closest rivals (KAWASAKI ZX-6R, SUZUKI GSF600, YAMAHA FZS600).

Rivals share this bike's type and sit within ±30% of its engine capacity, ≥ 5,000 tests. Card colour = better/worse first-time pass rate than the 850 LE MANS.

Pass rate by registration year

how each model-year cohort fares · registration year from first use date

Best year to buy used: 1978 (84.6% pass). Weakest: 1977 (84.5%).

84%85%85%1977: 84.5% pass (71 tests)1978: 84.6% pass (78 tests)19771978

First-time pass rate by the year each bike was first registered (cohorts with ≥ 50 tests). Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.