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Tuning Kit MALOSSI 258 cc for Vespa GTS/GTV/GT60 250ccm 4T LC
Part no.: M3113927
€779.00
VAT included
4,6kg / Piece
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Tuning Kit MALOSSI 258 cc

One rating
Part no.: M3113927

for Vespa GTS/​GTV/​GT60 250ccm 4T LC

also fits for Quasar 250cc 4-stroke LC i.e.
Show all matching vehicle models
  • Material: aluminium
  • Ø 74mm
  • stroke 60mm
  • 2 piston ring(s)
  • Pin 15mm
  • incl. cylinder, cylinder head V4



For race use only. Not admitted in the area of the German StVZO!
OEM number(s): 3113927 a.p. --> 3117542 (MALOSSI)
€779.00
VAT included
4,6kg / Piece

Product description

COMPLETE CYLINDER 4-STROKE

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.
  • 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.

Head

  • Head made of gravity-fed cast aluminium alloy, tempered and sandblasted, machined within thousandth (mm) tolerances utilizing super precise work cells.
  • Valve guides designed with new profile, made using a powdered metal sintering process (steel, phosphorous, carbon, copper and manganese).
  • Valve seats made of cobalt-molybdenum steel alloy characterised by copper infiltration and a special heat/chemical treatment. Increased intake valve - ø 25 mm, made of a special steel alloy and a special heat/chemical treatment.
  • Increased exhaust valve - ø 22.2 mm and made of Nimonich 80 material (Nickel, Chromium, Titanium, and Aluminium alloy).
  • Exhaust and Intake valve springs made of Si-Cr oil-tempered and annealed steel, designed to operate optimally under increased loads due to increased engine power.
  • Racing Cylinders from MALOSSI for 4-stroke maxi scooters with high power output and convincing reliability.

     

    MALOSSI offers a wide range of Racing Cylinders for 4-stroke maxi scooters. These not only impress with their high power output, but also with their reliability and durability. The reasons for this lie in the manufacturer's consistent development work. MALOSSI gathers its experience in racing and tests prototypes to the limit.

     

    The knowledge gained from this flows directly into series production. In addition, MALOSSI relies on high-quality materials and state-of-the-art production technology to ensure the lowest tolerances and consistently high quality.

    OEM numbers (for comparisons): 3113927 a.p. --> 3117542 (MALOSSI)
    EAN Number: 4260088517654
    Hersteller/Manufacturer: Malossi S.p.A. Via Roma, 118/I 40012 Calderara di Reno (Bologna) - Italy www.malossi.com

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