Malossi cast iron thermal unit D 46,5 piston pin 12

The Malossi Ø 46.5 cast iron thermal unit is the ideal choice for those who want to improve the performance of their moped. Made with high-quality materials and great attention to detail, this thermal unit offers exceptional durability thanks to the resistant cast iron used in its construction.

One of the distinctive features of this thermal unit is the precision with which the cylinder and piston are selected and paired, with a maximum tolerance of only 20 microns. This ensures optimal operation and high performance.

In addition, the new cast iron cylinder has been completely redesigned to offer a significant increase in power and torque, without the need for modifications to the original or approved exhaust system. Mounting on original crankcases only requires boring of the cylinder barrel passage.

Compared to the previous version, the Malossi Ø 46.5 thermal unit presents significant improvements. The exhaust has been redesigned both in terms of geometry and timing, ensuring optimal flow of fresh gases and improved combustion. In particular, the rear transfer ports have been revised to ensure proper inclination and calculated flow crossing.

All these innovations result in greater uniformity of washing between the right and left sides of the cylinder, improving combustion and greatly increasing the performance of the two-stroke engine.

The Malossi Ø 46.5 cast iron thermal unit is therefore the best choice for those who want unprecedented performance increase, positioning itself at the top of the range of cast iron thermal units available on the market.

SPECIFICATIONS

• Usage: Urban / Sport
• Power range Ø 46.5: 8-10 hp @8,500 rpm
• Level of tuning: Easy
• Compatibility: Original or approved exhaust

COMPATIBILITY NOTES

For installation, it is necessary to drill the original engine crankcase.