MOT reliability

Triumph T509 speed triple

297 vehicles · 2,390 completed MOT tests analysed

84%

MOT pass rate

Based on 297 Triumph T509 speed triple vehicles and 2,390 completed MOT tests, the Triumph T509 speed triple has an overall 84% pass rate, with an average recorded mileage of 31,292 miles.

297

Vehicles

2,390

MOT tests

1,003

Avg miles / year

0.8

Faults per test

Dangerous-fault share

Triumph T509 speed triple problem areas

Where faults occur most across all Triumph T509 speed triple MOT tests:

Other79%
Brakes10%
Tyres, wheels & suspension8%
Steering7%
Seatbelts & equipment6%
Lamps & electrical4%
Emissions & nuisance3%
Body & structure2%

Triumph T509 speed triple pass rate by age

How the Triumph T509 speed triple's MOT pass rate changes as it ages (buckets with 20+ tests).

Age (years)	Tests	Pass rate
6	4	75%
7	32	84%
8	108	80%
9	176	82%
10	188	80%
11	150	84%
12	155	86%
13	149	80%
14	125	89%
15	140	79%
16	145	84%
17	125	82%
18	111	85%
19	103	86%
20	109	81%

Fuel types: Petrol (293), Other (4)

Most common Triumph T509 speed triple MOT faults

These are the faults and advisories recorded most often across Triumph T509 speed triple MOT tests:

Front Tyre worn close to the legal limit (4.1.3(ii)) (91 times)
Rear Tyre worn close to the legal limit (4.1.3(ii)) (88 times)
Rear wheel bearings have slight free play (2.4.A.2c) (78 times)
Drive chain slightly loose (6.2.1d) (73 times)
Exhaust noisy (7.1.2) (70 times)
Exhaust noisy (8.1.1 (a)) (41 times)
Rear Wheel bearing has slight play (5.1.3 (a) (i)) (28 times)
Rear Tyre tread depth is below minimum requirements of 1.0mm (4.1.3(ii)) (27 times)
Rear Tyre worn close to the legal limit (5.2.3 (e)) (26 times)
Rear Stop lamp does not illuminate immediately a brake applies (1.3.1a) (25 times)
Rear Brake disc(s) slightly worn (3.2.A1l) (24 times)
Drive chain slightly loose (6.1.7 (c) (i)) (24 times)
Front Roller brake test indicates slight fluctuation of brake effort (3.3.A1d) (24 times)
Rear Rear wheel bearings have slight free play (2.4.A.2c) (23 times)
Front Tyre tread depth is below minimum requirements of 1.0mm (4.1.3(ii)) (22 times)

Triumph T509 speed triple pass rate by registration year

Year	Vehicles	Tests	Pass rate	Avg mileage
2000	1	17	88%	15,650
1999	17	218	82%	27,743
1998	87	943	83%	33,284
1997	109	1,192	85%	30,700

Triumph T509 speed triple reliability FAQ

Across 297 Triumph T509 speed triple vehicles in our MOT data, 84% pass the MOT (a 16% failure rate), with about 0.8 faults or advisories recorded per test.

The most frequently recorded Triumph T509 speed triple MOT issues are: Front Tyre worn close to the legal limit (4.1.3(ii)); Rear Tyre worn close to the legal limit (4.1.3(ii)); Rear wheel bearings have slight free play (2.4.A.2c).

The typical Triumph T509 speed triple in our data has covered around 31,292 miles.

Compare the Triumph T509 speed triple

See how the Triumph T509 speed triple stacks up against other Triumph models on MOT reliability:

T509 speed triple vs Toledo T509 speed triple vs Unknown T509 speed triple vs 2000 T509 speed triple vs 1500

Check a specific Triumph T509 speed triple

Enter a registration to see that exact vehicle's full MOT history, advisories and recurring faults.

See all Triumph models · Learn about common MOT failures · what an MOT checks

Age (years)	Tests	Pass rate
6	4	75%
7	32	84%
8	108	80%
9	176	82%
10	188	80%
11	150	84%
12	155	86%
13	149	80%
14	125	89%
15	140	79%
16	145	84%
17	125	82%
18	111	85%
19	103	86%
20	109	81%

Age (years)	Tests	Pass rate
6	4	75%
7	32	84%
8	108	80%
9	176	82%
10	188	80%
11	150	84%
12	155	86%
13	149	80%
14	125	89%
15	140	79%
16	145	84%
17	125	82%
18	111	85%
19	103	86%
20	109	81%