Maico 490 Alpha 1 (1982)

Make Model: Maico 490 Alpha 1


Year: 1982
Engine: Single cylinder, two stroke
Capacity: 488 cc / 29.8 cub in.
Bore x Stroke: 86.5 x 83 mm
Cooling System: Air cooled
Compression Ratio: 12:1
Lubrication: Oil in fuel, premix
Fuel/oil ratio: 20:1
Oil Capacity: 0.60 L / 0.63 US quarts
Exhaust: Upswept with repackable silencer
Fuel System: Bing, 40 mm carburetor
Ignition: Motoplat pointless electronic
Spark Plug: Champion NZ, N84G or NGK B9ES
Starting: Kick start
Max Power: 32.1 kW / 43.7 hp @ 6500 rpm
Max Torque: 36.5 Nm / 3.7 kgf-m / 26.9 ft/lb @ 6000 rpm
Clutch: Wet, multi-disc
Transmission: 5-Speed, constant mesh
Final Drive: Chain
Gear Ratio: 1st 2.71 / 2nd 1.97 / 3rd 1.50 / 4th 1.20 / 5th 1.00:1
Frame: Dual down tube, full cradle, chrome-molydenum

Front Suspension: Leading axle, air/spring fork
Front Wheel Travel: 305 mm / 12 in.
Rear Suspension: Corte & Cosso reservoir single gas shock adjustable for damping and preload
Rear Wheel Travel: 320 mm / 12.6 in.
Front Brakes: Single leading shoe, drum 136 mm
Rear Brakes: Single leading shoe, drum 160 mm
Wheels: Akront, aluminium alloy, gold anodized, laced wire spokes
Front Rim: 1.60 x 21 in
Rear Rim: 2.15 x 18 in.
Front Tyre: 3.00 x 21 in., Metzeler, moto cross
Rear Tyre: 4.50 x 18 in., Metzeler, moto cross
Rake: 28.5 degrees
Trail: 126 mm / 4.96 in
Wheelbase: 1510 mm / 59.5 in.
Ground Clearance: 372 mm / 14.6 in.
Seat Height: 960 mm / 37.7 in.
Dry Weight: 108 kg / 237 lbs
Wet Weight: 113 kg / 249 lbs
Fuel Capacity: 9.5 L / 2.5 US gal
Review: Cycle, April 1982, Pulpmx.com


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