BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
Model report · 2005–2025

EASY RIDER CJ50FK

49cc Petrol Class 1
82.5%
first-time pass rate
3.0%
failed outright
3
median miles at test
1,042
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2005–2014

The CJ50FK's first-time pass rate has fallen 9.5 points since 2005, 95.5% to 86.0%.

72%86%100%2005: 95.5% pass (44 tests)2006: 88.1% pass (160 tests)2007: 88.0% pass (125 tests)2008: 82.6% pass (109 tests)2009: 77.0% pass (113 tests)2010: 78.1% pass (96 tests)2011: 79.5% pass (83 tests)2012: 77.9% pass (86 tests)2013: 81.2% pass (85 tests)2014: 86.0% pass (57 tests)20052014

What fails on a CJ50FK

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects vs all bikes
lighting and signalling
20 31.7 0.2×
brakes
19 30.2 0.4×
steering and suspension
6 9.5 0.1×
lamps and reflectors
5 7.9 0.2×
tyres and wheels
3 4.8 0.1×
structure and attachments
2 3.2 0.3×
tyres
2 3.2 0.1×
Identification of the vehicle
2 3.2 0.8×
steering
2 3.2 0.5×
body and structure
2 3.2 0.4×

Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects. "vs all bikes" is how often this model's tests record a defect in the group, as a multiple of the all-bike rate.

How rivals compare

same type, similar capacity, high test volume

On first-time pass rate the CJ50FK beats 4 of its 4 closest rivals (PEUGEOT SPEEDFIGHT, PIAGGIO ZIP, PIAGGIO NRG).

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 CJ50FK.

Pass rate by registration year

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

Best year to buy used: 2001 (88.7% pass). Weakest: 1994 (72.6%).

69%81%92%1994: 72.6% pass (62 tests)1997: 75.8% pass (62 tests)1999: 77.8% pass (54 tests)2000: 83.8% pass (80 tests)2001: 88.7% pass (310 tests)2002: 83.3% pass (312 tests)199420002002

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.

EASY RIDER CJ50FK FAQ

answers computed from the data above · terms in the glossary

Is the EASY RIDER CJ50FK reliable?

The EASY RIDER CJ50FK is more reliable than average for its class: 82.5% of its 1,042 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #3073 of 5426 models.

What does a CJ50FK fail its MOT on most?

lighting and signalling — 32% of all defects recorded against failed CJ50FK tests.

What is the best year of CJ50FK to buy used?

By first-time pass rate, 2001-registered examples do best (88.7%) and 1994 worst (72.6%). Condition and history still trump the year.