Yamaha N-MAX 125 Tech MAX [2025-2026] - Cylinder kit ø 63 bolts ø 14 H20 I-Tech 4-stroke

MALOSSI cylinder kit for Yamaha N-MAX 125 Tech MAX

The MALOSSI cylinder kit ø 63 bolts ø 14 H20 I-Tech 4-stroke is designed for the Yamaha N-MAX 125 Tech MAX in the 2025-2026 model year range. The cylinder has a bore of Ø 63 mm, a stroke of 58.7 mm and a displacement of 183 cc.

Technical characteristics

• Cylinder material: Primary aluminum alloy with a high proportion of hardened and tempered silicon
• Cylinder liner with silicon carbide coating in a galvanic nickel die
• Cross-smoothing with two diamond passes and very tight tolerances
• Compression ratio: 11.27
• Cylinder-piston connection with a tolerance of 0.05 mm
• Recalculated heat exchange surfaces

Pistons and piston rings

The ultra-compact piston is made of a special aluminum alloy with a high silicon content, low thermal expansion and a tin layer on the sliding surfaces. The design is lightweight and reinforced and has improved heat exchange surfaces. The piston works with three rings: a nitrided and chrome-plated steel ring for compression, a special cast iron ring and a three-part wiper ring made of special chrome-plated steel alloy. The piston rings are designed for high sliding properties and very high mechanical strength.

Vehicle assignment

Suitable for Yamaha N-MAX 125 Tech MAX, years 2025-2026.

Important assembly information

Installation is only intended with a Force Master 2.1 control unit. The product is intended exclusively for competitions at the designated venues in accordance with the regulations of the relevant sports associations.