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Honda CR 450R

Make Model	Honda CR 450RB
Year	1981
Engine	Two stroke, single cylinder, reed valve
Capacity	431 cc / 26.3 cu-in
Bore x Stroke	85 x 76 mm
Compression Ratio	7.1:1
Cooling System	Air cooled
Exhaust	Expansion chamber
Lubrication	Pre-mix
Induction	Single 38mm Keihin flat-slide carburettor
Ignition	CDI external flywheel
Starting	Kick
Max Power	52.9 hp / 39.4 kW @ 6500 rpm
Max Torque	57.7 Nm / 42.6 lb-ft @ 6000 rpm
Clutch	Wet plate
Transmission	4 Speed
Final Drive	#520 Chain; 14T/54T
Primary Drive	Straight-cut gears
Gear Ratio	1st 15.66 / 2nd 11.67 / 3rd 9.18 / 4th 7.63
Frame	Chrome-moly steel
Front Suspension	41mm Showa air-adjustable forks with three compression damping adjustments
Front Wheel Travel	305 mm / 12.0 in
Rear Suspension	Pro-Link with four compression damping adjustments
Rear Wheel Travel	312 mm / 12.3 in
Front Brakes	Drum
Rear Brakes	Drum
Front Tyre	3.00-21
Rear Tyre	5.10-18
Rake	29.5°
Trail	4.8 in
Wheelbase	1507.7 mmmm / 59.4 in
Seat Height	950 mm / 37.4 in
Ground Clearance	325 mm / 12.8 in
Dry Weight	104 kg / 229.2 lbs
Wet Weight	113 kg / 248 lbs
Fuel Capacity	9 Litres / 2.38 US gal
Overview	Pulpmx.com