There are 2 verions of a Motovespa 150s

Mk1 150s which is what Sportique seems to have - based on a VNB Type frame, came standard with round headlight, no raised fin on headset, but do have a tell tale light mounted forward of square GS150 type speedo. Glovebox is fixed panel type, as VNB/VBB etc.. 10"wheel as standard - 125s version has 8" as standard. Front mudguard aslo similar to GS 150, being a one piece pressing. Produced upto 1963.

Mk2 150s, has a Trapezoid Headset, clam shell type speedo, front forks as per GL, Sprint etc.., Frame and side panels as per GS160 Mk2 - wide separate 2 piece horncast pressing, 2 piece front mudguard, similar to GS in profile. Glovebox positioned behind legshields and spare wheel holder under side panel. Production from 1964

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Vespa has the round front light. Motovespa are famous for using whatever bits are left over from previous builds. 1963 150s in Spain had the round front light. 1964 they went with the trap headset.

It appears that the Motovespa 150s is basically a GL with GS cowls. Seeing as the GS160 was released before the GL, it would make sense that for the year 1963, it could have had a VBB/GS headset.

1963 series 1 motovespa 150S. This is down to the round headlight, frame and engine numbers, 10 inch standard wheels, etc etc.

It has the body of a GS160 mark II, but has a different headset, and the forks off a Vespa Sprint. The 1961 to 1964 models have round headlights similar to a Vespa VBB. The 1965 model has a trapeziodal headlight.

Vespa 150s - Series description

VTT  1961-1963 (#1 series - MK1)

V13502C  1964-1965 (#2 series - MK2)

Vespa 150s - Technical specification

Frame type Rim Gears speed km/h Specification

VTT  1961-1963 (#1 series - MK1)

V201M

 wideframe 10" 4 gears 90 km/h

V13502C  1964-1965 (#2 series - MK2)

V502M

 wideframe 10" 4 gears 90 km/h

6.5 oz oil per gallon fuel for 5% (original spec) motul (I mix at 4%) 1961 - 1965 Gear Oil: Motul 5100-Ester 10w30 Synthetic Blend (rated 2-4%) engine: single cylinder, air cooled 2-stroke Speed: 90kmh Speedo: GS 160 equiv? induction: piston ported bore: 57mm stroke: 57mm compression ration: 7.2:1 bhp at rpm: 6.5 @ unknown rpm Vin: V13502C 1964-1965 (#2 series - MK2) Rim: 10” wheels Shocks: 
 Rear: 50mm motor mount, 390mm length NGK - B7HS (5110) Spark Plug Carb: Dell’Orto US/19S1 (downdraft carb) carburetor: Arebeo o Irz - 19mm carb UA-19-S1 or Arebeo o Irz-19mm carb gasket set 51-58 TA17 (sw) carb float VS4-5 cubic capacity: 145.45cc slide needle VNA main jet SHA/B-85 idle jet PHBG-52 lubrication: unknown Engine: V 502M *xxxxxx* transmission: 4 speed Gears: 4 1st gear: 14.46 2nd gear: 10.09 3rd gear: 7.61 4th gear: 5.83 Frame: Wideframe clutch: wet - multiplate 108mm 3 crk, 2 stl Engine: 502M starter jet: STOP LIGHT 6V-7W ignition: contact & breaker HEADLIGHT 6V-25/25W ignition timing: 27 BTDC REAR LIGHT 6V-3W breaker gap: 0.4mm Oil Seal driveshaft CORTECO 30x40x7 mm voltage: 6v - 32W stator battery: 6v - 7ah (if applicable) wheels: 10" tires: 3.50 x 10 max speed: 90 kph weight: 95kg

Vespa 150s - VIN numbers; VIN serial numbers; Chassis number

  VIN prefix Year VIN Chassis Number Vespas made  
VTT #1 series - MK1
 VTT
V13502C #2 series - MK2
 V13502C

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