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2008 Yamaha YBR125 Custom

2008 Yamaha YBR125 Custom

A stylish new Custom joins the 125 line-up
For 2008 Yamaha introduce the YBR125 Custom, a stylish and practical model which expands the company’s diverse 125cc line up.

The new YBR125 Custom is closely-based on the extremely popular YBR125 which has established an enviable reputation for its quality, reliability, simplicity, stable handling and value for money.

Custom style with affordable practicality
With its beautiful new bodywork and a range of special comfort-enhancing features, the YBR125 Custom is designed for the rider who is looking for a stylish, affordable and reliable motorcycle.

The focal point of the new bodywork is the beautifully-finished 12-litre teardrop fuel tank which gives the YBR125 Custom a distinctive look. Matching the timeless style of the new fuel tank are deeply valanced front and rear fenders which protect the rider from road surface dirt, and also emphasise the ‘big-bike’ looks – and for an added touch of class the instruments and flashers feature a brilliant chrome finish.

Custom muffler and chrome rear carrier
Also exclusive to this new 125 custom is a stylish large-capacity muffler featuring a chrome-plated heatshield. Equipped with a highly-efficient catalyser, this muffler ensures that the EU3-compliant YBR125 Custom is one of the quietest and cleanest machines in the class.

For enhanced practicality and enhanced comfort a chrome-plated rear carrier is fitted, featuring an integral grab rail.

Comfortable riding position
In addition to the stylish new bodywork, the YBR125 Custom also features raised handlebars and a luxuriously-padded dual seat which accentuate the bike’s handsome custom style.

The new handlebar/seat/footrest relationship also offers a more relaxed and upright seating position which is 20mm lower than the standard YBR125, making this cool new 125 a comfortable daily commuter and attractive weekend runabout.

New-style 9-spoke cast wheels with a wide rear tyre
The new YBR125 Custom is equipped with new-style 9-spoke alloy wheels which keep unsprung weight low for good suspension performance and easy manoeuvrability. And for strong roadholding the new Custom is fitted with a wide section 3.50-16 rear tyre and a 3.00-18 front tyre.

Technical highlights

  • Based on the proven and successful YBR125
  • Custom-style teardrop fuel tank
  • Luxuriously-padded dual seat
  • Low seat height of 760mm (YBR125: 780mm)
  • Raised handlebars
  • Deeply-valanced front and rear fenders
  • Large-capacity silencer with chrome-plated heatshield
  • 9-spoke cast alloy wheels
  • Chrome-plated rear carrier and grab bar
  • Chrome-finish instruments and flashers

BR125 Custom Technical overview


  • 124cc 4-stroke air-cooled engine
  • SOHC 2-valve cylinder head
  • Fuel injection
  • EU3 compliant
  • 5-speed transmission
  • Electric and kick start
  • Smooth power delivery
  • Low emissions
  • Quiet and economical


  • Simple and robust diamond shaped frame
  • Sturdy telescopic front forks
  • Comfortable twin-shock rear suspension system
  • 245mm front disc
  • Rear drum brake
  • Front 18-inch / rear 16-inch alloy wheels
  • Stable handling performance
  • Easy manoeuvrability


Available colours

  • Midnight Black
  • Lava Red
  • light Grey Metallic
The YBR125 Custom or some of its colours may not be available in all countries. Please contact the national Yamaha distributor for further information.
Type Air cooled, 4-stroke, SOHC, 2 valve, forward-inclined
  single cylinder
Displacement 124 cc
Bore & stroke 54.0 x 54.0 mm
Compression Ratio 10.0 : 1
Max. power 7.5 kW (10 PS) @ 7,800 rpm
Max. torque 9.6 Nm (0.98 kg-m) @ 6,000 rpm
Lubrication Wet sump
Carburettor / Fuel supply Fuel Injection
Clutch type Wet,multiple-disc  coil spring
Ignition TCI
Starter system Electric and Kick
Transmission Constant mesh 5-speed
Final transmission Chain
Primary reduction ratio 68/20   3.400
Secondary reduction ratio 43/14   3.071
Gear ratio:  
Gear ratio-1st gear 37/14   2.643
Gear ratio-2nd gear 32/18   1.778
Gear ratio-3rd gear 25/19   1.316
Gear ratio-4th gear 23/22   1.045
Gear ratio-5th gear 21/24   0.875
Frame Diamond shaped
Front suspension Telescopic forks
Front wheel travel 110 mm
Rear suspension Swingarm
Rear wheel travel 105 mm
Caster angle 27°  25′
Trial 102 mm
Front brake Single disc, Æ 245 mm
Rear brake Drum, Æ 130 mm
Front tyre 3.00-18 47P
Rear tyre 3.50-16 58P
Overall length 2,055 mm
Overall width 845 mm
Overall height 1,125 mm
Seat height 760 mm
Wheelbase 1,290 mm
Min. ground clearance 140 mm
Dry weight 118 kg
Fuel tank capacity 12 Litres
Oil capacity 1.2 Litres
Specification are subject to change without notice, in accordance with national regulation and legislations