MOTO GUZZI 850 T3

844cc Petrol Class 2

#2658 of 5426 overall #56 of 69 MOTO GUZZIs #1672 of 2787 other bikes

84.3%

first-time pass rate

9.4%

failed outright

37,646

median miles at test

1,151

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2006–2019

The 850 T3's first-time pass rate has fallen 3.5 points since 2006, 87.3% to 83.8%.

Pass rate by mileage

how the 850 T3's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage 850 T3 passes first time 92.4% of the time; by 50k that's 82.1%.

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 T3

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
brakes	70	30.7	1.0×
lighting and signalling	68	29.8	1.0×
steering and suspension	37	16.2	0.8×
tyres and wheels	20	8.8	0.9×
fuel and exhaust	10	4.4	1.1×
body and structure	6	2.6	0.9×
driving controls	5	2.2	1.8×
lamps and reflectors	4	1.8	0.2×
reg plates and vin	4	1.8	0.6×
sidecar	4	1.8	—

Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects. "vs all bikes" is how often this model's tests record a defect in the group, as a multiple of the all-bike rate.

How rivals compare

same type, similar capacity, high test volume

On first-time pass rate the 850 T3 beats 4 of its 4 closest rivals (KAWASAKI ZX-6R, KAWASAKI ZX-6R, SUZUKI GSF600).

KAWASAKI ZX-6R 78.1% pass · 174k tests KAWASAKI ZX-6R 78.1% pass · 174k tests SUZUKI GSF600 77.3% pass · 143k tests SUZUKI GSF600 77.3% pass · 143k tests

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 T3.

Pass rate by registration year

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

Best year to buy used: 1980 (87.3% pass). Weakest: 1981 (81.9%).

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.

MOTO GUZZI 850 T3 FAQ

answers computed from the data above · terms in the glossary

Is the MOTO GUZZI 850 T3 reliable?

The MOTO GUZZI 850 T3 is about average for its class: 84.3% of its 1,151 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #2658 of 5426 models.

What does a 850 T3 fail its MOT on most?

brakes — 31% of all defects recorded against failed 850 T3 tests.

What is the best year of 850 T3 to buy used?

By first-time pass rate, 1980-registered examples do best (87.3%) and 1981 worst (81.9%). Condition and history still trump the year.

How many miles will a 850 T3 last?

The median 850 T3 shows 37,646 miles at test, and examples around 50k miles still pass 82.1% of the time — mileage alone rarely kills one.