aluminium cylinder ø 67 h2o 4-stroke

商品說明

Technical features

Cylinder

• Material: alluminium
• Cooling: liquid
• Bore: Ø 67 mm
• Stroke: 47,2 mm
• Capacity: 166,4
• Compression ratio: 1:11,4
• 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.

  To be installed exclusively with Force Master control unit 5518427
 HONDA CB 125 R ie 4T LC euro 4 2018->2021 (JC79E)

  To be installed exclusively with Force Master 2.1 control unit 5519912
 HONDA CBR R 125 ie 4T LC

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