R25

Bore x stroke

60.0 x 44.1 mm (2.4 x 1.7 inches)

Clutch

Wet, multiple-disc coil spring assist and slipper clutch

Color options

Racing Blue, Metallic Black

Comments

Windscreen. Traction control. Ride modes track and street. Sold in Asia.

Compression

11.6:1

Cooling system

Liquid

Diameter

282 mm (11.1 inches)

Driveline

Constant mesh

Engine size

249.6 ccm (15.23 cubic inches)

Frame type

Diamond

Front brakes

Single disc. Optional ABS

Front suspension

Upside-down telescopic fork, 37 mm

Front tire

110/70-17

Front wheel travel

130 mm (5.1 inches)

Fuel capacity

14.00 litres (3.70 US gallons)

Fuel control

Double Overhead Cams/Twin Cam (DOHC)

Fuel system

Injection

Gearbox

6-speed

Ground clearance

160 mm (6.3 inches)

Ignition

TCI

Lubrication system

Wet sump

Model name

Yamaha R25

Oil capacity

2.10 litres (2.22 US quarts)

Output

35.4 HP (25.8 kW)) @ 12000 RPM

Overall height

1075 mm (42.3 inches)

Overall length

2090 mm (82.3 inches)

Overall width

755 mm (29.7 inches)

Rake (fork angle)

25.0°

Rear brakes

Single disc. Optional ABS

Rear suspension

Linked-type Monocross

Rear tire

140/70-17

Rear wheel travel

114 mm (4.5 inches)

Seat height

780 mm (30.7 inches) If adjustable, lowest setting.

Starter

Electric

Torque

23.5 Nm (2.4 kgf-m or 17.3 ft.lbs) @ 10000 RPM

Trail

89 mm (3.5 inches)

Transmission type

Chain (final drive)

Type

Sport

Type of engine

Twin, four-stroke

Valves per cylinder

4

Weight incl. oil, gas, etc

166.0 kg (366.0 pounds)

Wheelbase

1325 mm (52.2 inches)

Wheels

Alloy rims, blue.

Year of manufacture

2025