Kawasaki ER-5 Twister (2003-05)

The Kawasaki ER-5 Twister was a motorcycle model produced from 2003-05. The engine was a four stroke, parallel twin cylinder, DOHC, with 4 valves per cylinder and a capacity of 498cc. The cooling system was liquid-cooled with a compression ratio of 9.8:1. It had 2x 34mm Keihin CVK induction and a digital ignition. The maximum power output was 50hp at 8500 rpm and 45.2 Nm of torque at 7000 rpm. Transmission was a 6-speed, with a final drive chain. The suspension featured a 37mm telescopic fork on the front, and dual rear shocks with 5-way adjustable preload on the back. The front brakes were a single 280mm disc with a 2-piston caliper, while the rear brakes were a 160mm drum. The front tyre was 110/70 R17, and the rear tyre was 130/70 R17. The wheelbase was 1430mm, and the seat height was 815mm. The dry weight was 180.0kg, and the fuel capacity was 17 litres/4.4 US gal.

Technical specifications:

Make Model: Kawasaki ER-5 Twister

Year: 2003 – 05
Engine: Four stroke, parallel twin cylinders, DOHC, 4 valves per cylinder.
Capacity: 498 cc / 30.4 cu-in
Bore x Stroke: 74 x 58 mm
Cooling System: Liquid cooled
Compression Ratio: 9.8:1
Induction: 2x 34mm Keihin CVK
Ignition: Digital
Starting: Electric
Max Power: 50 hp / 36.5 kW @ 8500 rpm
Max Torque: 45.2 Nm / 33.2 lb-ft @ 7000 rpm
Transmission: 6 Speed
Final Drive: Chain
Front Suspension: 37 mm telescopic fork
Front Wheel Travel: 125 mm / 4.9 in
Rear Suspension: Dual rear shocks with 5-way adjustable preload
Rear Wheel Travel: 114 mm / 4.5 in
Front Brakes: Single 280mm disc 2 piston caliper
Rear Brakes: 160mm drum
Front Tyre: 110/70 R17
Rear Tyre: 130/70 R17
Wheelbase: 1430 mm / 56.3 in
Seat Height: 815 mm / 32.1 in
Dry Weight: 180.0 kg / 396.8
Fuel Capacity: 17 Litres / 4.4 US gal