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KTM 125 Sx MOT Check

MOT pass rates, common failures, and reliability data for the KTM 125 Sx. Check any 125 Sx by registration number below.

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91.7%

Avg Pass Rate

-0.2%

vs KTM Avg

1

Year Ranges

Excellent

Reliability

KTM 125 Sx — MOT Reliability Overview

The KTM 125 Sx has an average MOT pass rate of 91.7%, which is 0.2 percentage points below the KTM brand average of 91.9%. This is a strong result, indicating that the 125 Sx is well-engineered and tends to age well mechanically. Owners can expect fewer surprises at MOT time.

Before buying a used KTM 125 Sx, we recommend checking the full MOT history, write-off status, outstanding finance, and stolen vehicle status. These checks can be done for free using the registration number.

MOT Pass Rate by Year

How the KTM 125 Sx performs at MOT across different model years.

0

Based on 12 vehicles

91.7%Excellent
KTM average: 91.9%
Mileage at 5yr

4k mi

Other KTM Models

Compare MOT reliability across KTM models.

KTM 990 Supermoto R 11

100.0% pass rate

KTM Exc450

88.9% pass rate

KTM Adventure

94.7% pass rate

KTM 250 Exc-f 17

100.0% pass rate

KTM 990 Supermoto T 13

89.7% pass rate

KTM 620

72.7% pass rate

Useful MOT Guides

Common MOT Failures

The most common reasons UK vehicles fail their MOT — and how to prepare.

MOT Checklist

Pre-MOT checklist to improve your chances of passing first time.

Advisory vs Failure

Understanding the difference between MOT advisories and failures.

See detailed fault analysis for KTM 125 Sx

KTM 125 Sx — Frequently Asked Questions

Common questions about the KTM 125 Sx MOT and reliability.

What is the MOT pass rate for the KTM 125 Sx?
The average MOT pass rate for the KTM 125 Sx is 91.7% compared to the KTM average of 91.9%. Pass rates vary by year — check the year-by-year breakdown on this page for details.
What are the most common MOT failures on a KTM 125 Sx?
Check the detailed breakdown on this page for specific failure data by year range.
Is the KTM 125 Sx reliable?
With an average MOT pass rate of 91.7%, the KTM 125 Sx is rated as "Excellent" for reliability. This is a strong result suggesting good build quality and fewer common defects.
How do I check the MOT history of a KTM 125 Sx?
Enter the vehicle's registration number in the search box at the top of this page. You will instantly see the complete MOT history including every test result, mileage readings, advisories, and dangerous defects — completely free.
What mileage should I expect on a KTM 125 Sx?
Typical mileage for the KTM 125 Sx: 3,910 miles at 5 years. Use these benchmarks when evaluating a used 125 Sx to spot vehicles with unusually high or low mileage.

Check Your KTM 125 Sx's MOT History

Enter the registration number for the full MOT history — free and instant.

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