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Add to CartThe Mercury 91-866201 Idle Mixture Tool is a genuine OEM Mercury-MerCruiser specialty tool designed for compatible service applications. This tool is used where specified by the Mercury or MerCruiser service manual when adjusting or servicing idle mixture components.
Using the correct OEM service tool helps support proper adjustment and reduces the risk of damaging related components during maintenance or repair. Always refer to the appropriate service manual for the correct procedure before use.
Application Note: Specialty tool application should be verified by service manual, engine model, carburetor type, or existing tool requirement before ordering. Please confirm this idle mixture tool is correct for your service procedure before purchasing.
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
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