TECHNICAL FEATURES
Cylinder
- Bore: Ø 63 mm
- Stroke: 58.6 mm
- Displacement: 182.58 cc
- Compression ratio: 10.6:1
- 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 5519524
YAMAHA X MAX 125 ie 4T LC euro 4 2017-> (E3V9E)
YAMAHA X MAX 125 ie 4T LC euro 4 2018-> (E31LE)
To be installed exclusively with Force Master 2.1 control unit 5519529
YAMAHA MT- 125 ie 4T LC euro 3 <-2018 (E3J4E)
YAMAHA MT- 125 ie 4T LC euro 4 2019->2020 (E3W1E)
YAMAHA WR R-X 125 ie 4T LC euro 3 (E3D9E)
YAMAHA YZF-R 125 ie 4T LC euro 3 <-2013
YAMAHA YZF-R 125 ie 4T LC euro 3 2014->2018
To be installed exclusively with Force Master 2.1 control unit 5519537
MBK CITYLINER 125 ie 4T LC euro 3
MBK SKYCRUISER 125 ie 4T LC euro 3
YAMAHA X CITY 125 ie 4T LC euro 3 (E3A5E)
YAMAHA X MAX 125 ie 4T LC euro 3 <-2008
YAMAHA X MAX 125 ie 4T LC euro 3 2009->2013
YAMAHA X MAX 125 ie 4T LC euro 3 2014->2016 (E3M1E)
Modellek:
- BETA RR ENDURO 125 4T LC euro 3
- BETA RR MOTARD 125 4T LC euro 3 (WR 172)
- FANTIC CABALLERO 125 4T LC euro 3
- FANTIC CABALLERO SCRAMBLER 125 4T LC euro 4 2019-> (WR4)
- HM CR ME-F X 125 4T LC (WR125-EØ12)
- HUSQVARNA SMS 4 125 4T LC euro 3 (WR 172)
- MBK CITYLINER 125 ie 4T LC euro 3 (ATTENTION : To be installed exclusively with Force Master 2.1 control unit art. 5519537)
- MBK SKYCRUISER 125 ie 4T LC euro 3 (ATTENTION : To be installed exclusively with Force Master 2.1 control unit art. 5519537)
- MH RX R 125 4T LC euro 3 (WR*031)
- RIEJU MARATHON PRO Off-Road/SM 125 4T LC euro 3 (WR 082)
- YAMAHA MT- 125 ie 4T LC euro 3 <-2018 (E3J4E) (ATTENTION : To be installed exclusively with Force Master 2.1 control unit art. 5519529)
- YAMAHA MT- 125 ie 4T LC euro 4 2019->2020 (E3W1E) (ATTENTION : To be installed exclusively with Force Master 2.1 control unit art. 5519529)
- YAMAHA WR R-X 125 ie 4T LC euro 3 (E3D9E) (ATTENTION : To be installed exclusively with Force Master 2.1 control unit art. 5519529)
- YAMAHA X CITY 125 ie 4T LC euro 3 (E3A5E) (ATTENTION : To be installed exclusively with Force Master 2.1 control unit art. 5519537)
- YAMAHA X MAX 125 ie 4T LC euro 3 <-2008 (ATTENTION : To be installed exclusively with Force Master 2.1 control unit art. 5519537)
- YAMAHA X MAX 125 ie 4T LC euro 3 2014->2016 (E3M1E) (ATTENTION : To be installed exclusively with Force Master 2.1 control unit art. 5519537)
- YAMAHA X MAX 125 ie 4T LC euro 4 2017 (E3V9E) (ATTENTION : To be installed exclusively with Force Master 2.1 control unit art. 5519524)
- YAMAHA X MAX 125 ie 4T LC euro 4 2018->2020 (E31LE) (ATTENTION : To be installed exclusively with Force Master 2.1 control unit art. 5519524)
- YAMAHA X MAX 125 ie 4T LC euro 3 2009->2013 (ATTENTION : To be installed exclusively with Force Master 2.1 control unit art. 5519537)
- YAMAHA YZF-R 125 ie 4T LC euro 3 <-2013 (ATTENTION : To be installed exclusively with Force Master 2.1 control unit art. 5519529)
- YAMAHA YZF-R 125 ie 4T LC euro 3 2014->2018 (ATTENTION : To be installed exclusively with Force Master 2.1 control unit art. 5519529)