1983Honda MBX 125F

25 fields on record

The 1983 Honda MBX 125F is a Japanese sports bike. It uses a 125cc liquid-cooled two-stroke single making 18.1 hp and 15.5 Nm, driving through a 6-speed gearbox. It weighs 100 kg dry and has a 13-litre tank.

Capacity: 125.0 ccm
Engine: Single, two-stroke
Gearbox: 6-speed
Dry weight: 100.0 kg
Seat height: 760 mm
Power: 18.1 HP (13.4 kW) @ 8700 RPM

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How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail5%

Cornering80%

City riding25%

Daily riding20%

Touring10%

Two-up25%

Track75%

Best for: Sport bike built for its class - everyday, practical use.
Built for: A sport bike from Honda, built around a 125cc engine - a real production model, but this profile is formula-generated from its class and spec sheet rather than individually reviewed.
Not ideal for: Not for serious performance or off-road use.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

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Your height

Inseam (optional)

Units

At 760mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 1983 Honda MBX 125F, with a cramped knee angle of around 65 degrees and a forward-leaning riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 751-820 mm — Middle Ground →

Find bikes that fit your height →

Reliability & safety

Bike Reliability score, safety recalls and owner complaints

Bike Reliability

How the score works →

out of 100Below average

The Honda MBX 125F passed its annual roadworthiness test first time 79.4% of the time, 5.3 points below expected for bikes of the same age and mileage. That beats 30% of models.

Bikes first registered in 1983 have 30 tests, too few for their own score, so this covers every year.

79.4%Passed first time

13.5%Failed outright

7.1%Fixed during test

15,000Typical miles

170Tests

Pass rate by miles ridden

0-10k

89.7%

10-20k

71.7%

20-30k

83.8%

All years of this model.

Against its rivals · ranks 2 of 6

#	Model (all years)	Score	Tests
1	Yamaha RD 80 LC	41 Average	101
2	Honda MBX 125F	30 Below average	170
3	Yamaha DT 125 LC	10 Poor	961
4	Kawasaki AR 125	9 Poor	671
5	Honda NS 125F	8 Poor	123
6	Suzuki RG125 Gamma	4 Poor	200

Rivals are the most-viewed bikes on MotorcycleDB in the same category and engine size, from within three years of this model.

From British annual roadworthiness tests, 2005-2025. Contains public sector information licensed under the Open Government Licence v3.0 (DVSA MOT test data, Great Britain). How Bike Reliability works.