FULL CYLINDER KIT 300 ATHENA - INCLUDES: PISTON, GASKET AND CYLINDER The CRF300RX Enduro shares the engine with its 250 2021 brother, but features revised ignition and fueling mappings for a gradual and more manageable power delivery on the diversified funds typical of the enduro. Max power is at 11,300rpm and maximum torque is at 9,500rpm. The rev limiter is at 14,300rpm, in...

Gasket kit 400 Athena - included: cylinder and head

Piston complete 400 Athena - included: piston, seeger, plug and straps

COMPLETE CYLINDER KIT. CRF 400 R D.92 - Displacement 413 cc - Bore for stroke 92 x 62,1mm - Compresison ratio 13 : 1

The waterless coolant allows the engines to withstand higher temperatures without boiling and allows the cooling system to run at a very low or almost zero pressure. Thanks to the absence of water in the system, the motors with Evans are free of electrolysis and work perfectly regardless of the type of driving and the environmental conditions. Cooling systems that use Evans technology...