BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ TRIUMPH/BONNEVILLE BOBBER TFC
Model report · 2005–2025

TRIUMPH BONNEVILLE BOBBER TFC

1200cc Petrol Class 2
92.7%
first-time pass rate
1.8%
failed outright
1,487
median miles at test
164
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2023–2025

The BONNEVILLE BOBBER TFC's first-time pass rate has risen 11.1 points since 2023, 85.5% to 96.6%.

83%91%99%2023: 85.5% pass (55 tests)2024: 96.0% pass (50 tests)2025: 96.6% pass (59 tests)20232025

What fails on a BONNEVILLE BOBBER TFC

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lamps and reflectors
3 75
Identification of the vehicle
1 25

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 BONNEVILLE BOBBER TFC beats 4 of its 4 closest rivals (TRIUMPH BONNEVILLE, TRIUMPH THUNDERBIRD, HARLEY-DAVIDSON XLH 883).

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 BONNEVILLE BOBBER TFC.

Pass rate by registration year

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

Best year to buy used: 2020 (92.4% pass). Weakest: 2020 (92.4%).

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.