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
Modellek:
- HONDA CBR R 125 ie 4T LC (ATTENTION : To be installed exclusively with Force Master 2.1 control unit art. 5519912)
- HONDA CBR R 125 4T LC
- HONDA CB R 125 ie 4T LC euro 4 2018->2021 (JC79E) (ATTENTION : To be installed exclusively with Force Master 2 control unit art. 5518427)
- HONDA SONIC 125 4T LC