Jawa 640 Chopper (1994)

The Jawa 644 Chopper is a motorcycle model from 1994, with a two-stroke, 343.4cc parallel twin engine that is air-cooled and has a Jikov 28-29 CE horizontal carburetor. The ignition is a Magneto VAPE A67 contactless system and it has a 12V, 6Ah battery with a kick start. It produces a maximum power of 18 kW (25 hp) at 5500 rpm and a maximum torque of 33 Nm (25 ft.lb) at 5250 rpm. The transmission is a four-speed system with a multi-disc clutch in oil bath and a chain final drive. The frame is tubular and double, with a closed design, and the suspension consists of a hydraulic telescopic fork with steel spiral springs in the front, and a swingarm with hydraulic telescopic suspension units and spiral springs in the rear. The motorcycle has a front disc brake and a rear drum brake, with hydraulic and mechanical control respectively, and steel wheels with multi-spokes and deepened profiles. The front and rear tires have a size of 90/100-17” and 100/90-18” respectively. The dry weight is 147 kg (322 lbs) and the fuel capacity is 15 L (4.0 US gal).

Technical specifications:

Make Model: Jawa 644 Chopper