VLX1M is a Vespa engine prefix/VIN code.

VLX1M is engine VIN number for 150cc engine used in P150x, PX150e Arcobaleno vespa models made through years 1978 - 1993.
P.S. This engine VIN number is for the engine block/casing and it doesn't mean that over the years and even accross the models there isn't slight modifications of this engine parts, their sizes or even internals.

VLX1M engine specification

P150x (1978 - 1981) VLX1M engine specs

Production 345,301 copies Colors white green beige Frame numbers VLX1T 1101-346402 Engine Cylinders / time 2-stroke single cylinder Displacement 149.56 cc Bore and stroke 57 X 57 mm Compression ratio 8.2: 1 Power / RPM 8.8 hp \ 5700 Torque / revs 1.3 kgm \ 4000 Cooling Forced air Distribution rotating Supply Carburetor orchard 20 Mixture 2% Ignition flywheel Start crank electric Clutch multidisc in oil bath Change 4-speed knob Cycling Frame Monocoque Front suspension Pull rod wheel with coil spring and shock absorber Rear Suspension Coil spring and shock absorber Final Drive Direct Wheels Cantilever interchangeable with disk decomposable Front brake Drum 150 mm Rear brake Drum 150 mm Tires 3.50 X 10 front and rear Dimensions and Weight Length 1760 mm Width 695 mm Seat height 800 mm Wheelbase 1235 mm Tank 8 liters Weight 80 Kg Performance claims Speed ​​'maximum 100 Km / h acceleration nd consumption 34 km \ 1 L

PX150e Arcobaleno (1983 - 1993) VLX1M engine specs

Production 203,232 copies Colors white green beige Frame numbers VLX1T 600001-803233 Engine Cylinders / time 2-stroke single cylinder Displacement 149.56 cc Bore and stroke 57.8 X 57 mm Compression ratio 8.2: 1 Power / RPM 8.8 hp \ 5700 Torque / revs 1.3 kgm \ 4000 Cooling Forced air Distribution rotating Supply Carburetor orchard 20 Mixture 2% Ignition flywheel Start crank electric Clutch multidisc in oil bath Change 4-speed knob Cycling Frame Monocoque Front suspension Pull rod wheel with coil spring and shock absorber Rear Suspension Coil spring and shock absorber Final Drive Direct Wheels Cantilever interchangeable with disk decomposable Front brake Drum 150 mm Rear brake Drum 150 mm Tires 3.50 X 10 front and rear Dimensions and Weight Length 1760 mm Width 695 mm Seat height 800 mm Wheelbase 1235 mm Tank 8 liters Weight 80 Kg Performance claims Speed ​​'maximum 100 Km / h acceleration nd consumption 34 km \ 1 L

P150x 1978-1981P150x
PX150e Arcobaleno 1983-1993PX150e Arcobaleno