KAWASAKI ZX 636 B2H

636cc Petrol Class 2

#3666 of 5426 overall #439 of 592 KAWASAKIs #2333 of 2787 other bikes

79.6%

first-time pass rate

11.6%

failed outright

14,660

median miles at test

1,050

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2007–2024

The ZX 636 B2H's first-time pass rate has fallen 9.4 points since 2007, 71.9% to 62.5%.

Pass rate by mileage

how the ZX 636 B2H's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage ZX 636 B2H passes first time 81.8% of the time; by 30k that's 75.3%.

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 ZX 636 B2H

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
lighting and signalling	78	31.6	1.2×
lamps and reflectors	33	13.4	1.2×
brakes	32	13	0.6×
tyres and wheels	25	10.1	1.0×
reg plates and vin	24	9.7	3.0×
steering and suspension	23	9.3	0.6×
tyres	12	4.9	1.1×
suspension	8	3.2	0.6×
fuel and exhaust	6	2.4	0.8×
body and structure	6	2.4	1.0×

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 ZX 636 B2H beats 2 of its 4 closest rivals (KAWASAKI ZX-6R, SUZUKI GSF600, YAMAHA FZS600).

KAWASAKI ZX-6R 78.1% pass · 174k tests SUZUKI GSF600 77.3% pass · 143k tests YAMAHA FZS600 82.6% pass · 137k tests HONDA VFR800 FI 86.7% pass · 89.4k 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 ZX 636 B2H.

Pass rate by registration year

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

Best year to buy used: 2005 (80.7% pass). Weakest: 2004 (77.2%).

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.

KAWASAKI ZX 636 B2H FAQ

answers computed from the data above · terms in the glossary

Is the KAWASAKI ZX 636 B2H reliable?

The KAWASAKI ZX 636 B2H is less reliable than average for its class: 79.6% of its 1,050 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #3666 of 5426 models.

What does a ZX 636 B2H fail its MOT on most?

lighting and signalling — 32% of all defects recorded against failed ZX 636 B2H tests.

How many miles will a ZX 636 B2H last?

The median ZX 636 B2H shows 14,660 miles at test, and examples around 30k miles still pass 75.3% of the time — mileage alone rarely kills one.