Yamaha YBR-125 Custom

Production years: 2008–2017
Brand: Yamaha

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Selected year: 2017

Technical specifications

Engine capacity: 124 cm³
Power: 10 hp (7.5 kW) at 7,800 rpm
Wet weight: 129 kg
Seat height: 760 mm

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Overview

The Yamaha YBR-125 Custom is a cruiser produced from 2008 through 2017. The 2017 model uses a 124.0 cm³, air-cooled, four-stroke single making 10 hp (7.5 kW) and 9.6 Nm of torque at 6,000 rpm; its wet weight is 129 kg.

A 760 mm seat height puts the rider close to the ground, while the 129 kg wet weight helps keep low-speed maneuvering manageable. Electric and kick starters provide two ways to start the engine, and the rear rack adds a place to carry items; the chain final drive needs periodic cleaning and adjustment.

Specifications

Engine

Bore x stroke: 54.0 x 54.0 mm
Engine capacity: 124 cm³
Compression ratio: 10.0:1
Cooling system: Air
Engine type: Single, four-stroke
Fuel system: Injection
Ignition: TCI
Lubrication system: Wet sump
Oil capacity: 1.2 L
Starting: Electric & kick
Valves per cylinder: 2

Performance and transmission

Co2 emissions: 3 g/km CO₂
Power: 10 hp (7.5 kW) at 7,800 rpm
Power weight ratio: 0.0847 HP/kg (dry)
Torque: 9.6 Nm at 6,000 rpm
Clutch: Wet, multiple-disc coil spring
Final drive: Chain
Gearbox: Manual 5-speed
Transmission type: Manual

Dimensions and weight

Carrying capacity: Rear rack
Dry weight: 118 kg
Fuel capacity: 12 L
Ground clearance: 140 mm
Overall height: 1,125 mm
Overall length: 2,055 mm
Overall width: 845 mm
Seat height: 760 mm
Wet weight: 129 kg
Wheelbase: 1,290 mm

Chassis and suspension

Frame: Diamond, steel
Front suspension: Telescopic forks
Front wheel travel: 120 mm
Rake: 26.0°
Rear suspension: Link suspension
Rear wheel travel: 105 mm
Trail: 90 mm

Brakes and wheels

Front brakes: Double disc. Hydraulic
Front brakes diameter: 245 mm
Front tyre: 3.00-18
Rear brakes: Expanding brake (drum brake)
Rear brakes diameter: 130 mm
Rear tyre: 3.50-16

Colours and equipment

Colours: Light gray, red, black

Model years

2014

Power: 10.1 hp (7.5 kW) → 10 hp (7.5 kW)

Specification
Engine capacity	124 cm³	124 cm³	124 cm³	124 cm³	124 cm³	124 cm³
Power	10.1 hp (7.5 kW)	10.1 hp (7.5 kW)	10 hp (7.5 kW)	10 hp (7.5 kW)	10 hp (7.5 kW)	10 hp (7.5 kW)
Torque	9.6 Nm	9.6 Nm	9.6 Nm	9.6 Nm	9.6 Nm	9.6 Nm
Wet weight	129 kg	129 kg	129 kg	129 kg	129 kg	129 kg
Seat height	760 mm	760 mm	760 mm	760 mm	760 mm	760 mm
Fuel capacity	12 L	12 L	12 L	12 L	12 L	12 L

Pros and cons

Advantages

Low seat
The 760 mm seat height can make it easier to put a foot down at stops.
Two starting options
Electric and kick starters give you an alternative if one starting method is unavailable.
Rear rack
The fitted rack provides a place to carry items.

Things to consider

Modest output
With 10 hp and 9.6 Nm, the engine has limited power for carrying a passenger or tackling steep climbs.
Chain maintenance
The chain final drive needs regular cleaning and adjustment.
Rear drum brake
The rear wheel uses a drum brake rather than a disc.

Rider fit

Rider fit calculator

Calculated in your browser

Seat height: 760 mmInseam 78.9 cm

Seat height: 760 mm

Your height

Inside leg lengthOptional

Don't know it? Leave this empty and we'll estimate it from your height.

Estimated from your height: 79 cm

How to measure

Stand barefoot with your back to a wall. Hold a book firmly between your legs, then measure from the floor to the top edge of the book.

Estimated ground reach

Both feet likely flat

You should have a stable stance at a stop, although seat width and suspension setup still matter.

Seat height

760 mm

Approx. loaded height

730 mm

Estimate assumes about 30 mm of suspension sag. Seat width, footwear, luggage and suspension settings can change real reach. Always sit on the motorcycle before buying.