Malossi 80cc Big Bore Cylinder Kit for Vespa LX 50, S 50 and Aprilia Scarabeo 50cc 4 Stroke US models.M3113905

Put some new life into your Vespa LX 50, Help your S 50, Primavera or Sprint get up and out of it's own way.

This is the most popular big bore kit for Vespa LX 50 and S 50 models.

This Malossi 80cc Big Bore Kit fits all 2 and 4 Valve Piaggio 50cc 4 Stroke air cooled engines in  Vespa, Piaggio and Aprilia Models.  Comes with all necessary gaskets.

TECHNICAL FEATURES

Cylinder

    Material: primary aluminium alloy with a high content of hardened and tempered silicon, cylinder liner with silicon carbide coating in a galvanic nickel die and crossed smoothing with two diamond passages with very limited tolerances. (Nikasil)

    Machining: on machine tools with high precision numerical control.

    Cylinder-piston connection with an allowance of 0.05 mm.

    Recalculated and upgraded heat exchange surfaces.

Piston

    Ultra compact with 3 rings.

    Material: special aluminium alloy with high silicon content, low thermal expansion and a tin facing on the sliding surfaces.

    Machining on machine tools with numerical control.

    Lightened and reinforced.

    Upgraded heat exchange surfaces.

Piston rings

    Compression - special rings with high sliding ease and very high mechanical resistance, in chromium-plated S10 spheroidal cast-iron.

    1st scraper - ring in chromium-plated S10 spheroidal cast iron.

    2nd three - piece scraper ring made of chromium-plated steel alloy.

Fits

Aprilia Scarabeo 50cc 4 Stroke

Piaggio Fly 50 4 Stroke

Piaggio Typhoon 50 4 Stroke

Vespa LX 50

Vespa S 50

Vespa Primavera 50

Vespa Sprint 50

Please see our Shipping and Returns Policy. Replaces M3113905

03/07/2019