BSA D7

Real ownership data from 224 UK D7 motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.

UK examples

224

Median mileage

16,041 mi

Miles per year

MOT first-time pass

86.12%

Most common D7 problems

Ranked by how often each fault appears in this model's MOT history.

Fault	Severity	Share of faults
Lights and indicators	fail	13.9%
Brakes	fail	9.2%
Other	fail	8%
Tyres	fail	4.5%
Steering and head bearings	fail	4.2%
Suspension	fail	3.5%
Electrical	fail	2.8%
Chain and sprockets	fail	2.4%

Advisories (wear noted but not failed) are excluded above; the most common is suspension.

D7 mileage and reliability by year

Use this to judge whether a specific bike is high or low mileage for its age.

Year	Examples	Median mileage	Miles/year	First-time pass
1967	9	11,760 mi	206	89.74%
1966	42	16,912 mi	110	84.09%
1965	40	14,602 mi	68	84.83%
1964	16	15,548 mi	32	92.42%
1963	14	26,104 mi	78	91.07%
1962	9	18,142 mi	205	87.1%
1961	18	9,848 mi	8	82.69%
1960	14	13,684 mi	36	82.46%
1959	13	20,211 mi	150	88.24%

D7 questions, answered with data

What are the most common problems with the BSA D7?

Across 224 UK examples, the most frequently recorded MOT faults are lights and indicators (13.9% of all recorded faults), brakes (9.2% of all recorded faults), other (8% of all recorded faults).

What is average mileage for a BSA D7?

The median BSA D7 in the UK has covered 16,041 miles, and typically rides about 59 miles a year. Half of all examples fall between 6,970 and 24,206 miles.

Is the BSA D7 reliable?

86.12% of BSA D7 MOT tests are passed first time, with an average of 0.63 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.

Based on DVSA MOT test records for 224 BSA D7 motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.