BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ KTM/300 EXC SIX DAYS TPI 18
Model report · 2005–2025

KTM 300 EXC SIX DAYS TPI 18

293cc Petrol Class 2
#3130 of 5426 overall #131 of 230 KTMs #1991 of 2787 other bikes
82.3%
first-time pass rate
8.0%
failed outright
2,264
median miles at test
487
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2020–2025

The 300 EXC SIX DAYS TPI 18's first-time pass rate has risen 7.8 points since 2020, 76.5% to 84.3%.

74%81%88%2020: 76.5% pass (34 tests)2021: 82.3% pass (113 tests)2022: 85.6% pass (104 tests)2023: 79.3% pass (92 tests)2024: 82.0% pass (61 tests)2025: 84.3% pass (83 tests)20202025

What fails on a 300 EXC SIX DAYS TPI 18

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lamps and reflectors
33 40.2
tyres
13 15.9
Identification of the vehicle
11 13.4
audible warning (Horn)
10 12.2
suspension
9 11
brakes
3 3.7
structure and attachments
2 2.4
wheels
1 1.2

Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects.

How rivals compare

same type, similar capacity, high test volume

On first-time pass rate the 300 EXC SIX DAYS TPI 18 beats 2 of its 4 closest rivals (YAMAHA RD350, YAMAHA YP250, YAMAHA WR250F).

Rivals share this bike's type and sit within ±30% of its engine capacity, ≥ 5,000 tests. Card colour = better/worse first-time pass rate than the 300 EXC SIX DAYS TPI 18.

Pass rate by registration year

how each model-year cohort fares · registration year from first use date

Best year to buy used: 2017 (84.4% pass). Weakest: 2018 (79.9%).

79%82%85%2017: 84.4% pass (262 tests)2018: 79.9% pass (224 tests)20172018

First-time pass rate by the year each bike was first registered (cohorts with ≥ 50 tests). Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.