Honda CB 250RS-Z

Honda CB 250RS-Z
Manufacturer	Honda
Production	1980 - 81
Class	Standard
Engine	Four stroke, single cylinder, SOHC, 4 valve
Compression ratio	9.3:1
Top Speed	136 km/h / 84.5 mph
Ignition	CDI
Transmission	5 Speed
Suspension	Front: Telescopic forks Rear: Dual shock with adjustable preload
Brakes	Front: Single 250mm disc Rear: 140 Drum
Front Tire	3.00-18
Rear Tire	4.10-18
Weight	136 kg / 300 lbs (dry), 148.0 kg / 326.3 lbs (wet)
Recommended Oil	Honda GN4 10W-40
Fuel Capacity	13 Liters / 3.4 US gal
Manuals	Service Manual

It could reach a top speed of 136 km/h / 84.5 mph.

Engine

The engine was a Air cooled cooled Four stroke, single cylinder, SOHC, 4 valve. The engine featured a 9.3:1 compression ratio.

Chassis

It came with a 3.00-18 front tire and a 4.10-18 rear tire. Stopping was achieved via Single 250mm disc in the front and a 140 Drum in the rear. The front suspension was a Telescopic forks while the rear was equipped with a Dual shock with adjustable preload. The CB 250RS-Z was fitted with a 13 Liters / 3.4 US gal fuel tank. The bike weighed just 136 kg / 300 lbs.

Photos

Overview

Make Model	Honda CB 250RS
Year	1980 - 81
Engine Type	Four stroke, single cylinder, SOHC, 4 valve
Displacement	249 cc / 15.1 cu-in
Bore X Stroke	74 x 57.8 mm
Cooling System	Air cooled
Compression	9.3:1
Induction	30mm Keihin carburetor
Ignition	CDI
Starting	Electric
Max Power	33 hp / 24.6 kW @ 8500 rpm
Max Torque	12.6 Nm / 9.2 lb-ft @ 8000 rpm
Transmission	5 Speed
Final Drive	Chain
Front Suspension	Telescopic forks
Front Wheel Travel	120 mm / 4.7 in
Rear Suspension	Dual shock with adjustable preload
Rear Wheel Travel	90 mm / 3.5 in
Front Brakes	Single 250mm disc
Rear Brakes	140 Drum
Front Tire	3.00-18
Rear Tire	4.10-18
Dry Weight	136 kg / 300 lbs
Wet Weight	148.0 kg / 326.3 lbs
Fuel Capacity	13 Liters / 3.4 US gal
Consumption Average	25 km/lit
Standing ¼ Mile	16.3 sec
Top Speed	136 km/h / 84.5 mph