Vespa GTS 300 HPE - Owner's Manual > Maintenance

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 Vespa GTS 300 HPE - Owner's Manual > Catalytic silencer

CAUTION TAMPERING WITH THE CATALYTIC SILENCER MAY CAUSE SEVERE DAMAGE TO THE ENGINE.

 Vespa GTS 300 HPE - Owner's Manual > Engine oil level

Four stroke engine oil is used in the engines in order to lubricate the timing bodies, the bench bearings and the head-engine block-piston assembly. An insufficient quantity of oil can seriously damage the engine. In all four-stroke engines, a loss of efficiency in oil performance and certain consumption should be considered normal.

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