BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ YAMAHA/XJ 900 S
Model report · 2005–2025

YAMAHA XJ 900 S

892cc Petrol Class 2
81.2%
first-time pass rate
12.4%
failed outright
29,234
median miles at test
1,303
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2005–2023

The XJ 900 S's first-time pass rate has risen 19.6 points since 2005, 73.3% to 92.9%.

68%83%98%2005: 73.3% pass (30 tests)2006: 84.0% pass (162 tests)2007: 76.8% pass (138 tests)2008: 78.9% pass (114 tests)2009: 78.6% pass (84 tests)2010: 86.2% pass (65 tests)2011: 79.4% pass (68 tests)2012: 85.5% pass (55 tests)2013: 84.8% pass (66 tests)2014: 74.6% pass (63 tests)2015: 80.3% pass (61 tests)2016: 90.6% pass (53 tests)2017: 85.7% pass (56 tests)2018: 76.7% pass (43 tests)2019: 89.7% pass (39 tests)2021: 76.6% pass (47 tests)2022: 79.1% pass (43 tests)2023: 92.9% pass (42 tests)20052023

Pass rate by mileage

how the XJ 900 S's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage XJ 900 S passes first time 88.6% of the time; by 50k that's 77.0%.

75%83%91%0k: 88.6% pass (123 tests)10k: 84.4% pass (270 tests)20k: 87.5% pass (271 tests)30k: 80.2% pass (232 tests)40k: 78.5% pass (172 tests)50k: 77.0% pass (100 tests)0k30k50k

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 XJ 900 S

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects vs all bikes
brakes
99 28.5 1.3×
lighting and signalling
74 21.3 0.9×
steering and suspension
71 20.5 1.4×
tyres and wheels
35 10.1 1.2×
lamps and reflectors
25 7.2 0.9×
fuel and exhaust
22 6.3 1.8×
suspension
7 2 0.6×
tyres
7 2 0.7×
body and structure
4 1.2 0.5×
steering
3 0.9 0.6×

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 XJ 900 S beats 0 of its 4 closest rivals (BMW R1150, TRIUMPH SPRINT, SUZUKI GSF1200).

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 XJ 900 S.

Pass rate by registration year

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

Best year to buy used: 2003 (86.1% pass). Weakest: 2001 (72.5%).

70%79%89%1995: 80.7% pass (171 tests)1996: 78.0% pass (127 tests)1997: 80.8% pass (193 tests)1998: 79.9% pass (273 tests)1999: 84.1% pass (227 tests)2000: 85.2% pass (115 tests)2001: 72.5% pass (69 tests)2003: 86.1% pass (72 tests)199519992003

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.

YAMAHA XJ 900 S FAQ

answers computed from the data above · terms in the glossary

Is the YAMAHA XJ 900 S reliable?

The YAMAHA XJ 900 S is less reliable than average for its class: 81.2% of its 1,303 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #3334 of 5426 models.

What does a XJ 900 S fail its MOT on most?

brakes — 29% of all defects recorded against failed XJ 900 S tests.

What is the best year of XJ 900 S to buy used?

By first-time pass rate, 2003-registered examples do best (86.1%) and 2001 worst (72.5%). Condition and history still trump the year.

How many miles will a XJ 900 S last?

The median XJ 900 S shows 29,234 miles at test, and examples around 50k miles still pass 77.0% of the time — mileage alone rarely kills one.