Mercury 51991 Carburetor Repair Kit

Mercury 51991 Outboard Carburetor Repair Kit

The Mercury 51991 Outboard Carburetor Repair Kit is designed for select 20-50 HP Mercury outboards. This carburetor repair kit includes replacement components used when servicing or rebuilding compatible Mercury outboard carburetors.

A worn or contaminated carburetor can lead to hard starting, rough idle, poor acceleration, or reduced engine performance. Replacing worn carburetor components during service helps restore proper fuel metering and reliable operation in compatible applications.

Product Features:

• Carburetor repair kit for select Mercury outboards
• Designed for compatible 20-50 HP Mercury outboard applications
• Used when servicing or rebuilding compatible outboard carburetors
• Helps replace worn or damaged carburetor components
• Supports proper fuel delivery and engine performance

Product Details:

• Brand: Mercury
• Manufacturer Part Number: 51991
• Part Type: Carburetor Repair Kit
• Application: Select Mercury 20-50 HP outboards

Interchange / Replaces:

• Mercury 1399-5199
• Mercury 1399-51991
• Mercury 1399-5813
• Mercury 1399-6226
• Mercury 1399-6250
• Mercury 1399-7812
• Mercury 1399-8307
• Mercury 1399-9270

Fitment Note: Carburetor repair kit fitment should be verified by outboard model, horsepower, carburetor number, serial number, parts diagram, or existing part number before ordering. Please confirm this kit is correct for your Mercury outboard before purchasing.

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