This CDI is a replacement unit for all year Octane models and any 2 cyl model with an existing update kit installed. This is a HST timed CDI box.
*Please be advised -when installing a replacement Polaris domestic CDI it is extremely important to verify correct flywheel timing. Refer to a Polaris service manual for your specific models timing and time accordingly after the new CDI is installed.
*Failure to follow this recommendation can result in piston deterioration and possible engine failure.
Replaces OEM part(s): 4010568, 4010803.
