Bajaj Chetak: MOT pass rate by registration year

Which Chetak years pass first time, and which fall short of the model's 80.7% average, from 633 DVSA tests.

1997

highest-passing year · 86.1%

1994

lowest-passing year · 71.4%

14.7pp

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: 1997 (86.1% of 72 tests). Lowest: 1994 (71.4% of 70). Years more than two points below the model average: 1994.

Registered	Tests	First-time pass	vs model (80.7%)
1994	70	71.4%	-9.3 pp
1995	59	83.1%	+2.4 pp
1996	81	81.5%	+0.8 pp
1997	72	86.1%	+5.4 pp
1998	137	82.5%	+1.8 pp
1999	107	84.1%	+3.4 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 · 2006–2019

Questions

Which Chetak years have the lowest MOT pass rate?: 1994 registered examples pass first time less often than the Bajaj Chetak overall (80.7%); the 1994 cohort is lowest at 71.4% from 70 tests.
Which Chetak year has the highest MOT pass rate?: 1997, at 86.1% of 72 first tests (2005–2025). Years more than two points above the model average: 1995, 1997, 1999.
How much does the Chetak pass rate vary by year?: 14.7 percentage points between the highest (1997, 86.1%) and lowest (1994, 71.4%) 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: Bajaj Chetak reliability, failures and mileage · ranked #3439 of 5428 models· other Bajaj models: Classic, Classic SL