CYLINDER KIT NRG/RUNNER/DNA FORMER MODEL ALU (ref: 477539)

The S1R aluminium cylinder is equipped with a 5-transfer scavenging booster exhaust ports. Aluminium provides better heat release and it is nikasil-coated. In consequence, we get a low-coefficient friction surface and a great resistance. Solid chromed steel single-ring (1mm) elliptical piston. DOPPLER recommends to associate its cylinder with the DOPPLER cylinder head.

Technical information
spare parts
Documentation
Delivered with base gasket, piston, piston ring, clips and piston axle.
JOINT HAUT MOTEUR 450033
PISTON Ø39.94 AXE DE 12 440946