Two stroke, piston-port, parallel
twin, Crankshaft supported in four roller bearings; needle-roller small-end
and big-end bearings. Light-alloy cylinder head;
Capacity
247 cc / 15.0 cu-in
Bore x Stroke
56 x 50 mm
Compression Ratio
7.5;1
Cooling System
Air-cooled
Induction
2x Mikunis VM24SC with air filter.
Direct-operating, coupled air slides.
Ignition
Generator
Starting
Kick
Electrical Equipment:
Mitsubishi 65-watt dc generator charging
six-volt battery through automatic voltage regulator. Coil ignition.
6in-diameter headlamp with pre-focus light unit; 35/35-watt main bulb.
Max Power
24 hp @ 7500 rpm
Max Torque
18.1 ft-lb 4.2 kgf-m @ 7500 rpm
Clutch
Wet, multi-plate clutch mounted on left side of
crankshaft
Transmission
5 Speed Helical-gear primary drive.
Rear chain % x %in with top guard. Engine rpm at 30 mph in top gear,
approximately 2,500.
Final Drive
Chain
Gear Ratio
1st 2.545 2nd 1.533 3rd 1.167 4th
0.950 5th .0773
Front Suspension
Telescopic forks with hydraulic damping.
Rear Suspension
Dual shocks swinging arm, Pivoted rear fork
controlled by spring-and-hydraulic units with three-position adjustment for
load.
Front Brakes
Drum
Rear Brakes
Drum
Front Tyre
3.00 -18
Rear Tyre
3.25 -18
Dimensions
Length 2006 mm / 79 in
Width
792.5 mm / 31.2 in
Height 1066.8
mm / 42 in
Wheelbase
1470.5 mm / 51.9 in
Wet Weight
145 kg / 320 lbs
Fuel Capacity
11.4 Litres / 3.0 gal
Any corrections or more information on these motorcycles will be kindly appreciated.