BIKERELIABILITY Reg check
League table/ YAMAHA/ RXS100/By year
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Yamaha RXS100: MOT pass rate by registration year

Which RXS100 years pass first time, and which fall short of the model's 68.0% average, from 6,955 DVSA tests.

1983
highest-passing year · 84.2%
1995
lowest-passing year · 63.1%
21.1pp
spread across 16 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: 1983 (84.2% of 95 tests). Lowest: 1995 (63.1% of 344). Years more than two points below the model average: 1984, 1985, 1987, 1989, 1994, 1995.

59%74%88%1983: 84.2% pass (95 tests)1984: 64.8% pass (91 tests)1985: 64.6% pass (178 tests)1986: 67.9% pass (299 tests)1987: 63.4% pass (421 tests)1988: 67.0% pass (564 tests)1989: 65.8% pass (818 tests)1990: 70.9% pass (1,206 tests)1991: 67.3% pass (817 tests)1992: 70.7% pass (526 tests)1993: 69.1% pass (470 tests)1994: 65.5% pass (391 tests)1995: 63.1% pass (344 tests)1996: 68.8% pass (349 tests)1997: 66.5% pass (197 tests)1998: 76.9% pass (52 tests)198319911998
RegisteredTestsFirst-time passvs model (68.0%)
1983 95 84.2% +16.2 pp
1984 91 64.8% -3.2 pp
1985 178 64.6% -3.4 pp
1986 299 67.9% -0.1 pp
1987 421 63.4% -4.6 pp
1988 564 67.0% -1.0 pp
1989 818 65.8% -2.2 pp
1990 1,206 70.9% +2.9 pp
1991 817 67.3% -0.7 pp
1992 526 70.7% +2.7 pp
1993 470 69.1% +1.1 pp
1994 391 65.5% -2.5 pp
1995 344 63.1% -4.9 pp
1996 349 68.8% +0.8 pp
1997 197 66.5% -1.5 pp
1998 52 76.9% +8.9 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 · 2005–2025
55%71%87%2005: 70.2% pass (245 tests)2006: 63.8% pass (824 tests)2007: 65.7% pass (635 tests)2008: 63.6% pass (568 tests)2009: 66.0% pass (518 tests)2010: 60.3% pass (448 tests)2011: 62.4% pass (466 tests)2012: 61.6% pass (409 tests)2013: 70.3% pass (370 tests)2014: 67.8% pass (338 tests)2015: 73.3% pass (315 tests)2016: 68.6% pass (287 tests)2017: 71.1% pass (232 tests)2018: 78.0% pass (168 tests)2019: 74.0% pass (177 tests)2020: 78.9% pass (166 tests)2021: 82.0% pass (189 tests)2022: 78.7% pass (178 tests)2023: 79.3% pass (164 tests)2024: 79.2% pass (125 tests)2025: 73.7% pass (133 tests)20052025

Questions

Which RXS100 years have the lowest MOT pass rate?
1984, 1985, 1987, 1989, 1994, 1995 registered examples pass first time less often than the Yamaha RXS100 overall (68.0%); the 1995 cohort is lowest at 63.1% from 344 tests.
Which RXS100 year has the highest MOT pass rate?
1983, at 84.2% of 95 first tests (2005–2025). Years more than two points above the model average: 1983, 1990, 1992, 1998.
How much does the RXS100 pass rate vary by year?
21.1 percentage points between the highest (1983, 84.2%) and lowest (1995, 63.1%) 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 RXS100 reliability, failures and mileage · ranked #4853 of 5428 models· other Yamaha models: YZF-R1, YZF-R6, FZS600, YBR 125, XJR1300, FZ6