Yamaha YBR-250


2008 Yamaha YBR-250
Category: Naked bike


Type: Air-cooled, 4-stroke, single cylinder
Displacement: 249 cc
Bore x stroke: 74.0 x 58.0 mm
Compression ratio: 9.80:1
Maximum power: 15.7 kW (21 PS) @8,000 rpm
Maximum torque: 20.7 Nm (2.1 kg-m) @ 6,500 rpm
Lubrication system: Wet sump
Fuel System: Fuel injection
Clutch type: Wet, multiple-disc coil spring
Ignition system: TCI (digital)
Starter system: Electric
Transmission system: Constant mesh, 5-speed
Final transmission: Chain

Frame: Steel double cradle
Front suspension system: Telescopic forks
Front travel: 115 mm
Rear suspension system: Bottom link swingarm
Rear travel: 120 mm
Front brake: Single disc, Ø 282 mm
Rear brake: Drum, Ø 130 mm
Front tyre: 100/80-17M/C 52S
Rear tyre: 130/70-17M/C 62S

Length: 2,025 mm
Width: 745 mm
Height: 1,065 mm
Seat height: 805 mm
Wheel base: 1,360 mm
Minimum ground clearance: 190 mm
Dry weight: 138 kg
Fuel tank capacity: 19 L
Oil tank capacity: 1.55 L

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18 thoughts on “Yamaha YBR-250”

    1. First you can set the fuel injector richer about two or three clicks. then you need to change your exhaust to a more free flow pipe (will be noisier) and don’t forget to change your air filter to a K&N or similar to get better air intake. You might gain a few miles and extra hp’s, but to do it right you also need to do some porting, meaning having your cylinder intake and exhaust widened and polished. Good luck.

  1. Where I live there’s no YBR 250 available and Yamaha UK won’t sell me a new piston kit, since I can’t produce a valid VIN number..(since they don’t sell those bikes here!). Please anyone,out there with a YBR 250, order a complete piston kit for me with your VIN number and I’ll pay you an extra amount plus shipping cost if you can send it to me (btw..if you also know a complete fuel injection kit for this bike for sale, let me know too). Please??. Remember the bore for the YBR 250 cylinder is 74 mm and the stroke is 58 mm. Thanks & cheers. You can contact me at ameng101.sby@gmail.com

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