12-2 AY50K3/SK3/WK3/WSK3 (’03-MODEL)
SPECIFICATIONS
AY50 AND AY50S
DIMENSIONS AND DRY MASS
Overall length ....................................................... 1 865 mm (73.4 in)
Overall width ........................................................ 650 mm (25.6 in)
Overall height ....................................................... 1 125 mm (44.3 in)
Wheelbase ........................................................... 1 260 mm (49.6 in)
Ground clearance ................................................ 105 mm ( 4.1 in)
Seat height........................................................... 790 mm (31.1 in)
Dry mass.............................................................. 77 kg (169 lbs)
ENGINE
Type ..................................................................... 2 stroke, Forced air-cooled
Intake system....................................................... Reed valve
Number of cylinders ............................................. 1
Bore ..................................................................... 41.0 mm (1.614 in)
Stroke................................................................... 37.4 mm (1.472 in)
Displacement ....................................................... 49 cm
3
(3.0 cu. in)
Corrected compression ratio................................ 6.5 : 1
Carburetor............................................................ KEIHIN PWS14
Air cleaner............................................................ Polyurethane foam element
Starter system...................................................... Electric and Kick
Lubrication system............................................... SUZUKI “CCI”
Idle speed ............................................................ 1 900 ± 200 r/min
DRIVE TRAIN
Clutch................................................................... Dry shoe, automatic, centrifugal type
Gearshifting.......................................................... Automatic, variable ratio
Gear ratio, variable............................................... Variable reduction ratio (2.768 – 1.005)
Final reduction ratio ............................................. 14.960 (51/15 × 65/15)
Drive system ........................................................ V-belt drive
CHASSIS
Front suspension.................................................. Inverted telescopic, coil spring
Rear suspension .................................................. Swingarm, coil spring, oil damped (SHOWA)
Front suspension stroke....................................... 77 mm (3.0 in)
Front wheel travel................................................. 70 mm (2.8 in)
Rear wheel travel ................................................. 60 mm (2.4 in)
Caster .................................................................. 25° 20’
Trail ...................................................................... 76 mm (2.99 in)
Steering angle...................................................... 45° (left and right)
Turning radius ...................................................... 1.9 m (6.2 ft)
Front brake........................................................... Disc brake
Rear brake ........................................................... Drum brake
Front tire size ....................................................... 120/70-12 51L, tubeless
Rear tire size........................................................ 130/70-12 56L, tubeless