BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
Model report · 2005–2025

SACHS B805

805cc Petrol Class 2
#1639 of 5426 overall #1 of 11 SACHSs #998 of 2787 other bikes
87.9%
first-time pass rate
4.5%
failed outright
5,437
median miles at test
354
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2009–2011

The B805's first-time pass rate has risen 3.2 points since 2009, 90.3% to 93.5%.

77%87%97%2009: 90.3% pass (31 tests)2010: 80.0% pass (35 tests)2011: 93.5% pass (31 tests)20092011

What fails on a B805

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
tyres and wheels
6 24
lamps and reflectors
5 20
lighting and signalling
5 20
brakes
4 16
body and structure
2 8
fuel and exhaust
2 8
suspension
1 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 B805 beats 4 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 B805.

Pass rate by registration year

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

Best year to buy used: 2005 (90.6% pass). Weakest: 2003 (74.6%).

71%83%94%2003: 74.6% pass (63 tests)2005: 90.6% pass (181 tests)20032005

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.