Will I need to tune or adjust this carburetor after installation
The best way to ensure compatibility is to match your engine's model and year to our Engine Compatibility table
90794-46913-00
then the main pivot bolt to factory torque specs
it is batch-inspected for consistency and reliable performance
Water Pump Wear Plate – Fits Yamaha 25HP 30HP 40HP 50HP 55HP (Replaces 663-44323-00, 18-3436, 81420M) 80hp Will I need to tuneProduct Details This Water Pump Wear Plate is engineered as a direct replacement for Yamaha outboard lower units ranging from 25HP to 55HP, covering both 2 stroke engines manufactured between 1984 and 1996. Compatible models include Yamaha 25J, 25JEO, 25ESH, 25Q, 25QEO, 30DE, 30DEO, 30D, 30DMH, 30DEL, 30ELH, 40N, 40H, 40HE, 40QE, 40JWH, 40QM, 40QWC, 40JMH, 50HP, 50ETN, 50D, 50DEO, 50DEMTO, 50 Pro Series, P50, 55ED, 55ET, 55B, 55BM, and 55BT. This