(31 dd2) or (45 max) rotax thermostat spring

Birelart Speed Lever Ring (from 2016 Chassis)

No battery, without socket

The carburetor control template Rotax is an indispensable tool for the compliance check Carburetors used on karting engines Rotax Max. It allows to control quickly and precisely the Regulatory internal dimensions carburetor, in accordance with the technical rules in force.

Used by Drivers, Teams and Technical Commissioners, this template guarantees that the carburetor respects the tolerances imposed by the regulations Rotax, in particular during the technical checks in competition.

Designed for simple and reliable use, the template fits directly into the carburetor to check diameters and air passages without complex disassembly.

The 50x80 model is designed for maximum stability and better thermal dissipation, ideal for demanding competition karts. Always check compatibility with your chassis and braking system