BIKERELIABILITY Reg check
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Yamaha XJ 600 S Diversion: MOT pass rate by registration year

Which XJ 600 S Diversion years pass first time, and which fall short of the model's 77.1% average, from 1,025 DVSA tests.

2001
highest-passing year · 83.7%
2000
lowest-passing year · 70.2%
13.5pp
spread across 6 years

Pass rate by registration year

first-time pass rate · cohorts with 50 or more tests · registration year from first use date

Highest pass rate: 2001 (83.7% of 92 tests). Lowest: 2000 (70.2% of 84). Years more than two points below the model average: 2000.

68%77%86%1997: 77.3% pass (194 tests)1998: 76.8% pass (263 tests)1999: 79.1% pass (258 tests)2000: 70.2% pass (84 tests)2001: 83.7% pass (92 tests)2002: 82.0% pass (50 tests)199720002002
RegisteredTestsFirst-time passvs model (77.1%)
1997 194 77.3% +0.2 pp
1998 263 76.8% -0.3 pp
1999 258 79.1% +2.0 pp
2000 84 70.2% -6.9 pp
2001 92 83.7% +6.6 pp
2002 50 82.0% +4.9 pp

Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years. A first-time MOT pass is a roadworthiness check, not a full mechanical inspection.

Pass rate over time

first-time pass rate by test year · 2005–2016
63%79%95%2005: 75.7% pass (37 tests)2006: 82.2% pass (174 tests)2007: 70.5% pass (149 tests)2008: 79.5% pass (122 tests)2009: 70.0% pass (80 tests)2010: 90.0% pass (40 tests)2011: 80.0% pass (40 tests)2012: 69.4% pass (36 tests)2013: 79.5% pass (39 tests)2014: 77.5% pass (40 tests)2015: 68.6% pass (35 tests)2016: 78.9% pass (38 tests)20052016

Questions

Which XJ 600 S Diversion years have the lowest MOT pass rate?
2000 registered examples pass first time less often than the Yamaha XJ 600 S Diversion overall (77.1%); the 2000 cohort is lowest at 70.2% from 84 tests.
Which XJ 600 S Diversion year has the highest MOT pass rate?
2001, at 83.7% of 92 first tests (2005–2025). Years more than two points above the model average: 2001, 2002.
How much does the XJ 600 S Diversion pass rate vary by year?
13.5 percentage points between the highest (2001, 83.7%) and lowest (2000, 70.2%) cohorts with at least 50 tests. Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.

Full report: Yamaha XJ 600 S Diversion reliability, failures and mileage · ranked #4044 of 5428 models· other Yamaha models: YZF-R1, YZF-R6, FZS600, YBR 125, XJR1300, FZ6