Description
Sierra Marine 18-7767 Carburetor Repair Kit
The Sierra 18-7767 is an aftermarket carburetor service kit for specified Yamaha outboards. Sierra’s application guide lists this kit for Yamaha 40 HP and 50 HP models from 1984 through 1988.
Quantity and Yamaha Interchange
This listing is for one Sierra kit, servicing one carburetor. Sierra specifies that three 18-7767 kits correspond to one Yamaha 6H4-W0093-01-00 kit. Order three Sierra kits when servicing all three carburetors in the applicable Yamaha assembly.
Product Details
- Brand: Sierra Marine
- Manufacturer part number: 18-7767
- Product: carburetor repair kit
- Catalog application: Yamaha 40 HP and 50 HP outboards, 1984–1988
- Yamaha reference: 6H4-W0093-01-00, with three Sierra kits required for equivalent multi-carburetor coverage
- Quantity supplied: one kit
Confirm Compatibility
Check your exact engine model, year and carburetor parts diagram before ordering. Match the Yamaha service-kit reference rather than selecting by horsepower alone.
Installation Notes
Follow the engine service manual for carburetor disassembly, cleaning, float adjustment and reassembly. Inspect fuel lines and related components during service, then complete the specified adjustment and leak checks before operating the engine.