How To Replace the Poppet Valve on a MERCURY 135 BLACKMAX Engine

Описание: I'll show you how I replaced the poppet valve on my 1994 Mercury 135 Blackmax engine I have on my Ranger 330 V bass boat. A poppet valve controls the flow of intake and exhaust gasses through the cylinder head in an engine. Thanks for watching! Please like and subscribe.
A poppet valve on a Mercury Blackmax engine plays a crucial role in regulating the flow of water through the cooling system. Located within the engine’s water pump assembly, the poppet valve opens and closes to control the pressure of the water entering the engine. When the engine reaches a certain temperature or pressure level, the poppet valve opens to allow coolant to flow, ensuring that the engine stays within optimal operating temperatures. This helps prevent overheating and maintains the engine’s efficiency. If the poppet valve becomes faulty or clogged, it can cause improper water flow, leading to engine overheating and potential damage. Regular maintenance and inspection of the poppet valve are essential for keeping your Mercury Blackmax running smoothly and efficiently, ensuring a longer lifespan and reliable performance on the water.

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144791 - DIAPHRAGM
14480 - POPPET
16496 - DEFLECTOR
64872 - GROMMET @2
64878 - SPRING
65848 - CARRIER
69570 - SCREW
74824 - SCREW @5
76451 - WASHER @2
78690002 - GASKET @2 - Replacement part for 12-78690
85303 - WASHER
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Pro Wrencher is a mechanic who has experience repairing everything from old farm equipment to autos/trucks/boats to locomotives. He lives in an old house and drives old cars and has old boats- giving him a lifetime of stuff to repair!
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