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Vespa Scooters with manual transmissions built from 1958 through present. Available in a variety of configurations, the Vespa Large Frame has removable cowls on both sides of the frame, a 3 or 4 speed transmission, and 8" or 10" wheels. They share many common parts, and very few mechanical differences, so most repair procedures for Large Frame models are the same.

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vespa Vnb5t doesnt start.

got pre ignition and platins on right timingpoint. total new ignition from last year

got fuel new carburator.

motor doesnt start anymore , whent for a drive Vespa started schooting and loosing power, got home barely .

checkt ignition and it does not start anymore.

some guy says it can be the oil bearings on the crankschaft .

i dont know what 2 do , had a complete rebuild only the engine sides are old al the rest is already renewd. so i am not eager to open up the engine for nothing.

sorry for my lausy englische hope you guys can help!!!

Answer this question I have this problem too

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1 Answer

[이미지 | 1847340] vespa 1950의 주요 엔진 결함 및 그 probable causes

vs

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vnb5t will be eternally grateful.
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