VESPA PX 150 USA, Workshop Manual

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Wheels and tyres
WHEELS AND TIRES
Specification Desc./Quantity
Front tire 3,50 x 10"
Rear tire 3,50 x 10"
Rims Pressed steel
Wheels Interchangeable with 2.00"×10" pressed steel rims.
Front tire pressure 18,85 PSI (1,3 bar)
Rear tire pressure 26,11 PSI (1,8 bar)
33,36 PSI (2,3 bar) driver and passenger
N.B.
CHECK AND ADJUST TYRE PRESSURE WITH TYRES AT AMBIENT TEMPERATURE. REGU-
LATE PRESSURE ACCORDING TO THE WEIGHT OF THE RIDER AND ACCESSORIES
Carburettor
Dell'Orto
CARBURETTOR
Specification Desc./Quantity
Type SI20/20D
Diffuser diameter 20 mm
Main jet 96/100
Slow running jet 45/100 *
Main air jet 140/100
Throttle valve (type) 6823.09
Emulsifier (code) BE5
Sprayer 280/100
Starter jet 60/100
Air idling screw 1/2 turn
* With idling air hole 140/100
150cc Version
Dell'Orto
CARBURETTOR
Specification Desc./Quantity
Type SI20/20D
Diffuser diameter 20 mm
Main jet 98
Slow running jet 45/160
Main air jet 150
Throttle valve (type) 6823.16.64
Emulsifier (code) BE5
Sprayer 280/100
Starter jet 60/100
Air idling screw 1 3/4
Characteristics
Vespa PX 150 USA
CHAR - 10