Honda
Cbf 125 M B
1,613 MOT tests analysed. lands in the middle of the pack — here's where Cbf 125 M Bs pass, fail, and end up on the retest sheet.
That's 2.7 points below the UK fleet average across our 1,984 tracked models — buyers should expect more first-time fails than the typical UK car.
Pass
74.8%
Pass-after-fix
7.6%
Fail
17.2%
Avg miles
18,466
Pass + Pass-after-fix + Fail = 100%
Petrol cars first registered from January 2006 meet Euro 4 — compliant in London ULEZ, Birmingham CAZ, Bristol CAZ, and Glasgow LEZ.
The picture
Cbf 125 M-B: middle-of-the-pack on first-time pass
Across 1,256 MOT tests, the Cbf 125 M-B returns 73.2% first-time pass — below the UK fleet average. The single most-logged Major fail is a stop-lamp out. Tyre tread under the limit and transmission belt, chain round out the top three. Average tested mileage sits at 19,261, which is the lens to read those failure rankings through. If you own one and the next test is close, the ranked list below is a sensible pre-test checklist.
ABI Insurance Group
Group 10–26
Below the fleet average — generally reasonable to insure. Lower groups cost less to insure; UK fleet average is around Group 22.
Source: ABI Group Rating Panel · administered by Thatcham Research · groups cover standard variants; performance trims may sit higher. Browse all insurance groups →
10–26
out of 50
Top ten reasons for rejection.
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- 01
Tyre tread depth not in accordance with the requirements
28 occurrences · 1.7% of tests
- 02
Brake lining or pad worn below 1.0mm
26 occurrences · 1.6% of tests
- 03
A transmission belt, chain, sprocket or pulley excessively loose or worn
25 occurrences · 1.5% of tests
- 04
Stop lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
23 occurrences · 1.4% of tests
- 05
Significant brake effort recorded with no brake applied indicating a binding brake
19 occurrences · 1.2% of tests
- 06
A stop lamp(s) does not illuminate by the operation of both brake controls or remains on when the brakes are released
18 occurrences · 1.1% of tests
- 07
A direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
16 occurrences · 1.0% of tests
- 08
The aim of a headlamp is not within limits laid down in the requirements
16 occurrences · 1.0% of tests
- 09
A shock absorber not functioning or leaking severely
14 occurrences · 0.9% of tests
- 10
A headlamp missing, inoperative or more than ½ not functioning in the case of LED
14 occurrences · 0.9% of tests
Counts cover Major and Dangerous defects logged at test. Advisory items excluded so this shows why a car was rejected, not just what the tester flagged in passing.
Worst-case fix budget · top 3 failures
£148–£290
If every one of this Cbf 125 M B's most-logged Major fails hit at the same MOT, that's the real-world UK garage range. Reality is usually one or two items, not all of them. Open the estimator →
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Build your own retest budget.
Tools that pre-empt a retest.
Picked against this car's top failure patterns. Affiliate links to Amazon UK — we earn a small cut at no cost to you. Disclosed up-front, doesn't shape the data.
Item 01 · Amazon UK
Digital tyre-tread depth gauge
Five quid for a gauge beats £150 for a retest. UK MOT minimum is 1.6mm — most testers fail anything below 2mm to be safe.
Search Amazon UK
Item 02 · Amazon UK
Brake pad measurement gauge
Testers fail pads under 1.5mm. A wear gauge tells you if you've got two months left or two weeks.
Search Amazon UK
Item 03 · Amazon UK
H7 / W21W bulb pack
A spare-bulb kit lives in the boot. Test morning is not the time to find your stop-lamp's gone.
Search Amazon UK
My Motor World · affiliate
Parts & supplies for this fix
Affiliate links — small commission, no extra cost to you.
Draper
Draper Drain Plug Key, 3/8 Square x 3/8 Sq. Dr.
£15.39
View at My Motor World →
Hycote
Hycote Honda Nighthawk Black Pearlescent Double Acrylic Spray Paint 150ml
£6.59
View at My Motor World →
Hycote
Hycote Honda Milano Red Double Acrylic Spray Paint 150ml
£6.59
View at My Motor World →
Hycote
Hycote Honda Satin Silver Metallic Double Acrylic Spray Paint 150ml
£6.59
View at My Motor World →
Click Mechanic · affiliate
Book a mobile mechanic
Affiliate links — small commission, no extra cost to you.
Mobile mechanic · UK-wide
Book a mechanic at your door.
Fixed-price quotes upfront. No garage needed. Click Mechanic sends a vetted local mechanic to you — home, work, or roadside.
Buying or keeping a Cbf 125 M B?
Use the failure ranking as a pre-test checklist or a haggling lever. Treat the headline pass rate as a fleet-wide trend, not a guarantee on any individual car.
If you own a Cbf 125 M B and your last MOT looked nothing like the ranked failures above, that's normal — individual cars vary widely. The ranking shows the patterns testers flag most often across the country.