Yamaha FZR250 (1986-87)

The Yamaha FZR250 motorcycle was produced from 1986-87, featuring a four-stroke, transverse four-cylinder, DOHC, 4-valves-per-cylinder engine with a capacity of 249cc. It has a bore x stroke of 48×34.5mm and a compression ratio of 12.0:1. The bike is equipped with a MIKUNI BDS2600 carburetor and CDI ignition, and has an electric starter. It generates a maximum power of 45 hp / 32.8 kW @ 14500 rpm and a maximum torque of 25 Nm / 2 kgf-m @ 11500 rpm. The clutch is a wet plate type, and it has a 6-speed transmission with a chain final drive. The frame is made of steel, and the bike has a telescopic fork front suspension and a monoshock rear suspension. The front brake has a single 320mm disc with a 4-piston caliper, while the rear brake has a single 210mm disc with a 2-piston caliper. The front and rear tires are 100/80-17 and 120/80-17, respectively. The rake is 25.5 degrees and the trail is 88 mm / 3.5 in, the wheelbase is 1375 mm / 54.1 in, and the seat height is 750 mm / 29.5 in. The bike has a ground clearance of 135 mm / 5.3 in and a dry weight of 141 kg / 310 lbs, and can carry 12 liters / 3.1 gallons of fuel.

Technical specifications:

Make Model: Yamaha FZR250

Year: 1986 – 87
Engine: Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.
Capacity: 249 cc / 15.2 cu-in
Bore x Stroke: 48 34.5 mm
Cooling System: Liquid cooled
Compression Ratio: 12.0:1
Induction: MIKUNI BDS2600 carburetor
Ignition: CDI
Starting: Electric
Max Power: 45 hp / 32.8 kW @ 14500 rpm
Max Torque: 25 Nm / 2 kgf-m @ 11500 rpm
Clutch: Wet plate
Transmission: 6 Speed
Final Drive: Chain
Frame: Steel
Front Suspension: Telescopic forks
Rear Suspension: Monoshcok
Front Brakes: Single 320mm disc 4 piston caliper
Rear Brakes: Single 210mm disc 2 piston caliper
Front Tyre: 100/80–17
Rear Tyre: 120/80-17
Rake: 25.5 degrees
Trail: 88 mm / 3.5 in
Wheelbase: 1375 mm / 54.1 in
Seat Height: 750 mm / 29.5 in
Ground Clearance: 135 mm / 5.3 in
Dry Weight: 141 kg / 310 lbs
Fuel Capacity: 12 Litres / 3.1 in