aluminium cylinder ø 67 pin ø 15 h2o 4-stroke

Description

Technical features

Cylinder

• 125 cc:
1. Bore: Ø 67 mm
2. Stroke: 47 mm
3. Displacement: 166
• 200 cc:
1. Bore: Ø 67 mm
2. Stroke: 58 mm
3. Displacement: 200
• Compression ratio: 12:1
• 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 2.1 control unit 5519412
  APRILIA SRS 125 ie 4T LC euro 5 2021->
  APRILIA RS GP Replica 125 ie 4T LC euro 5 2021->
  APRILIA RX 125 ie 4T LC euro 5 2021->
  APRILIA SX 125 ie 4T LC euro 5 2021-> (M546M)
  APRILIA TUONO 125 ie 4T LC euro 5 2021->

 To be installed exclusively with Force Master 2.1 control unit 5519542
  APRILIA RS4 125 ie 4T LC euro 3
  APRILIA SRS 125 ie 4T LC euro 4 2019->2020 (M545M)
  APRILIA RS GP Replica 125 ie 4T LC 4 2019->2020
  APRILIA RX 125 ie 4T LC euro 4 2019->2020
  APRILIASX 125 ie 4T LC euro 4 2018->2020 (M546M)
  APRILIA TUONO 125 ie 4T LC euro 4 2019->2020)
  DERBI Senda DRD 4V R - SM 125 ie 4T LC euro 3

 To be installed exclusively with Force Master 2.1 control unit 5519437
  ITALJET DRAGSTER 125 4T LC euro 5 2021-> (JC1P 58 MI-3)

 To be installed exclusively with Force Master 2.1 control unit 5519720
  ITALJET DRAGSTER 200 4T LC euro 5 2021-> (JC1P63ML-4B)

Products reserved exclusively for racing in specifically designed locations according to the provisions of the competent sporting authorities. We disclaim all liability for improper use