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January 24, 2024 Service bulletin

Revolution max VVT service kit

Harley-Davidson technical service bulletin M1608 for 2021-2023 Harley-Davidson RA1250S, 2021-2023 Harley-Davidson RA1250 and 2021-2023 Harley-Davidson RH1250S and others.

Bulletin number
M1608
Component
Unknown or other
Summary
SERVICE BULLETIN M1608: REVOLUTION MAX VVT SERVICE KIT. PURPOSE: This bulletin informs dealers that an improved Variable Valve Timing (VVT) harness connector and terminals are going to be used on 2024 Revolution® Max powered vehicles. The old connector and terminals used on 2021-2023 Revolution® Max powered vehicles will no longer be supported. Various kits have been created to support dealers in the change over of these parts.

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