CYLINDRE ALUMINIUM 44MM - MINARELLI 4T

TECHNICAL FEATURES

Cylinder

• Bore : Ø 44 mm
• Stroke : 43.6 mm
• Displacement : 66.3 cc
• Compression ratio : 12.01
• 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

• Special rings with high sliding ease and very high mechanical resistance
• I° ring compression in nitrided and chromium steel
• II° special cast iron ring
• Three piece scraper ring made of chromium-plated special steel alloy

 
  To be installed exclusively with Force Master control unit 5518370
  YAMAHA AEROX 4 50 ie 4T LC euro 4 2018-> (A333E)
  YAMAHA NEO'S 4 50 ie 4T LC euro 4 2019->

  To be installed exclusively with Force Master control unit 5518429
  MBK NITRO 50 ie 4T LC euro 2
  MBK OVETTO UBS 50 ie 4T LC euro 2
  YAMAHA AEROX 4 50 ie 4T LC euro 2 (A326E)
  YAMAHA C3 [XF] 50 ie 4T LC euro 2 (A311E)
  YAMAHA GIGGLE [XF] 50 ie 4T LC euro 2 (A311E)
  YAMAHA NEO'S 4 50 ie 4T LC euro 2 (A316E)
  YAMAHA VOX [XF] 50 ie 4T LC euro 2 (A311E)
  YAMAHA ZUMA FX 50 ie 4T LC