Service bulletin P_200297_TC_EN

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

NHTSA's summary

Dear Dealer/Service Center, We hereby inform you that in order to solve any problems with irregular engine operation, or starting difficulties with engine hot on the Vespa GTS 300 hpe models, proceed according to the procedure described below. INTRODUCTION The better combustion efficiency of the hot engine, in combination with the foreseen ignition advance, entails the achievement of high pressure in the combustion chamber before the TDC The failure or difficulty starting the hot engine is actually generated by excessive pressure at the end of compression .

The document

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Components

Engine, Engine oil and lubrication

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