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Tighten the bolts on the cavitation plate
9 4-Stroke 1996–2004 63V-W0078-01-00
The most common symptoms are engine overheating
The arrow on the primer bulb should point in the direction of fuel flow (from the tank to the engine)
often superior to the aluminum used in original skegs
Exhaust Water Shutter (Flapper) – Fits MerCruiser 2.5L, 3.0L, 3.7L Engines (Replaces 60930, 25-43809) 173HP Tighten the bolts on theProduct Details This Exhaust Water Shutter (Flapper) Fits MerCruiser 2. 5L, 3. 0L, 3. 7L Engines (Replaces 60930, 25 43809) is an essential replacement part for MerCruiser stern drives. Specifically designed for 2. 5L, 3. 0L, and 3. 7L inline 4 cylinder engines from various model years, it functions as a critical one way valve in the exhaust system to prevent water from flowing back into the engine cylinders. This part serves as a direct replacement
