Yamaha YBR125 Custom Specs (Top Speed | Horsepower | Weight)

The Yamaha YBR125 Custom motorcycle specifications include a 124 cc (7.57 cu in) engine, a 5-speed gearbox, and a listed weight of 118 kg (260.1 lb).

Key specifications

2008, 2009, 2011, 2012, 2013, 2014, 2015, 2016, 2017Model years
124 ccDisplacement
9.6 Nm @ 2,100 rpmTorque
118 kgDry weight
760 mmSeat height
12 LFuel tank
1,290 mmWheelbase
140 mmGround clearance
Model years covered
200820092011201220132014201520162017
Year-specific specification changes

The 2008 model is treated as the standard specification. Only later model years with a different supplied value are shown below.

Frame
20122016Diamond Shaped, steel
2017Diamond, steel
Front brakes
2011Double disc
20122017Double disc. Hydraulic
Front tire
200920173.00-18
Fuel system
20132014Injection. EFI
Rear suspension
20122017Link suspension
Rear tire
200920173.50-16
Torque
20099.6 Nm (1.0 kgf-m or 7.1 ft.lbs)
201120179.6 Nm (1.0 kgf-m or 7.1 ft.lbs) @ 6,000 rpm
Clutch
20112017Wet, multiple-disc coil spring
Front wheel travel
2009110 mm (4.3 inches)
20112017120 mm (4.7 inches)
Power/weight ratio
20160.0847 hp/kg
Rear wheel travel
20092017105 mm (4.1 inches)

How the Yamaha YBR125 Custom compares

This compares the motorcycle with all Yamaha models in this specifications database. The blue marker is this model and the grey line is the Yamaha database average.

Displacement124 cc
Low 49 ccAverage 550 ccHigh 1,852 cc

About 77% lower than the Yamaha database average. Around the 18th percentile across Yamaha models.

Seat height760 mm
Low 635 mmAverage 793 mmHigh 989 mm

Very close to the Yamaha database average. Around the 28th percentile across Yamaha models.

Fuel capacity12 L
Low 4 LAverage 13 LHigh 24 L

About 8% smaller than the Yamaha database average. Around the 45th percentile across Yamaha models.

This model Yamaha database average

Yamaha database percentile rankings

Percentiles show where this motorcycle sits across the Yamaha specifications database. They are descriptive database rankings, not performance ratings.

Displacement18th

124 cc — larger displacement than about 18% of Yamaha models.

Seat height28th

760 mm — taller than about 28% of Yamaha models.

Fuel capacity45th

12 L — larger than about 45% of Yamaha fuel tanks in this database.

Dimensions compared with Yamaha average

Each measurement is compared with the average value across Yamaha models where that dimension is available.

Overall length2,055 mm
This bike

2,055

Yamaha avg

2,082

Close to average.

Overall width845 mm
This bike

845

Yamaha avg

823

Close to average.

Overall height1,125 mm
This bike

1,125

Yamaha avg

1,172

4% below average.

Wheelbase1,290 mm
This bike

1,290

Yamaha avg

1,416

9% below average.

Seat height760 mm
This bike

760

Yamaha avg

793

4% below average.

Ground clearance140 mm
This bike

140

Yamaha avg

181

23% below average.

Mechanical overview

Engine layout snapshot

Single cylinder, four-stroke • 124 cc • Air cooled
Chassis snapshot

Wheelbase 1,290 mmSeat 760 mmClearance 140 mm
5-speed • Chain (final drive) • 100/80-M17 front / 90/90-M18 rear

Additional useful specifications

Front tire size 100/80-M17
Rear tire size 90/90-M18
Bore/stroke ratio 1.00:1 (Square)

Engine specifications

Engine type Single cylinder, four-stroke
Displacement 124 cc (7.57 cu in)
Torque 9.6 Nm (1.0 kgf-m or 7.1 ft.lbs) @ 2,100 rpm
Bore × stroke 54.0 x 54 mm (2.1 x 2.1 inches)
Compression ratio 10.0:1
Cooling system Air
Fuel system Injection
Fuel control Single Overhead Cams (SOHC)
Ignition TCI
Starter Electric & kick
Lubrication Wet sump

Transmission and drivetrain

Gearbox 5-speed
Final drive Chain (final drive)
Clutch Wet, multiple disc

Chassis and suspension

Frame Diamond shaped
Front suspension Telescopic forks
Rear suspension Swingarm
Front wheel travel 130 mm (5.1 inches)
Rear wheel travel 120 mm (4.7 inches)

Brakes, wheels and tires

Front brakes Single disc
Rear brakes Expanding brake (drum brake)
Front tire 100/80-M17
Rear tire 90/90-M18

Dimensions and weight

Dry weight 118 kg (260.1 lb)
Seat height 760 mm (29.9 inches)
Overall length 2,055 mm (80.9 inches)
Overall width 845 mm (33.3 inches)
Overall height 1,125 mm (44.3 inches)
Wheelbase 1,290 mm (50.8 inches)
Ground clearance 140 mm (5.5 inches)

Fuel and emissions

Fuel capacity 12.00 L (3.17 US gal)

Performance

Power/weight ratio 0.0852 hp/kg

Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Yamaha models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Yamaha information before relying on them. Visit the official Yamaha website.