Vespa 90 V9A1T

Vespa 90 V9A1T

Vespa 90 V9A1T Specs

1963 – 1986

engine: single cylinder, air cooled 2-stroke

induction: disc valve

bore: 47 mm

stroke: 51 mm

cubic capacity: 88.5 cc

compression ration: 7.2: 1

bhp at rpm: 3.1 @ 5200

transmission: 3 speed constant mesh

primary drive: 22/63
1st gear: 17.18: 1
2nd gear: 9.66: 1
3rd gear: 6.12: 1

clutch: wet – multiplate

lubrication:2%

carburetor: Dell’Orto SHB 16/16

main jet: 63
slow running jet: 38
starter jet: 50

ignition: contact breaker & coil

ignition timing: 19 deg. BTDC

breaker gap: 0.3 – 0.5 mm

voltage: 6 volt

max stator output: 6v – 30w

wheels:10″

wheel hubs: pressed steel

tires: 3.00 x 10

Please check out the VIN decoder HERE if you have any questions about the year

 

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