6E5-24410-03 Yamaha Fuel Pump Assy | Genuine OEM Yamaha Outboard Part

🔧 Product Description

Genuine Yamaha Mechanical Diaphragm Fuel Pump Assembly - Part Number: 6E5-24410-03

A genuine Yamaha crankcase-pulse-operated fuel pump for selected V4 and V6 two-stroke outboards.

The pump uses pressure pulses from the engine crankcase to move a flexible diaphragm. It draws fuel from the vessel supply line and delivers it to the carburettors or low-pressure fuel system without requiring an electric pump.

⚙️ Key Features

• Genuine Yamaha OEM mechanical fuel pump
• Correct Yamaha service part number 6E5-24410-03
• Pulse-operated diaphragm-pump design
• Used on selected 115HP to 300HP V4 and V6 two-stroke engines
• Sierra, Mallory and aftermarket replacement pumps available

🚤 Compatibility

Commonly used on

• Yamaha 90-degree V4 and V6 crankcase-pulse fuel systems
• Selected 76-degree V6 low-pressure fuel systems

Typically suits

• Engine models:
• Yamaha 115HP V4 two-stroke
• Yamaha C115 and B115 two-stroke
• Yamaha 130HP V4 two-stroke
• Yamaha 150HP V6 two-stroke
• Yamaha 175HP V6 two-stroke
• Yamaha 200HP V6 two-stroke
• Yamaha 225HP V6 two-stroke
• Yamaha 250HP V6 two-stroke
• Yamaha 300HP V6 two-stroke applications using the 6E5 mechanical pump
• Yamaha ProV 150, ProV 175 and ProV 200
• Yamaha Excel and Special-series V6 engines
• Yamaha Saltwater Series carburetted and EFI engines using the 6E5 pump
• Selected 225HP and 250HP 76-degree V6 engines using this low-pressure pump
• HP Range: 115HP - 300HP
• Engine Type: Yamaha V4 and V6 carburetted / EFI two-stroke outboard
• Year Range: Approximately 1984-2004, dependent on engine and fuel-system configuration

🔌 Function

The pump supplies a controlled flow of fuel from the boat fuel system to the carburettors or low-pressure engine fuel circuit.

⚠️ Common Signs of Failure

• Engine loses power under load
• Fuel primer bulb repeatedly collapses or loses firmness
• Engine starts only when the primer bulb is pumped manually
• Fuel leaks into the crankcase through a ruptured diaphragm
• Engine runs excessively rich, smokes or floods
• Pump does not produce the specified fuel flow or pressure

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 6E5-24410-03 current OEM service fuel-pump assembly
• 6E5-24410-10 earlier / alternate service reference replaced by 6E5-24410-03 where specified
• 6E5-24410-09 earlier service reference
• 6E5-24410-05 earlier service reference
• 6E5-24410-04 earlier service reference
• 6E5-24410-02 earlier service reference
• 6E5-24410-01 earlier service reference
• 6E5-24410-00 original pump-family reference

OEM / Related Numbers

• 6E5-24410-03
• 6E5-24410-03-00
• 6E5-24410-10
• 6E5-24410-09
• 6E5-24410-05
• 6E5-24410-04
• 6E5-24410-02
• 6E5-24410-01
• 6E5-24410-00
• 6E5-24411-01 related diaphragm
• 6E5-24434-02 related body gasket
• 6E5-24435-01 related body gasket 2
• 6E5-24471-00 related pump diaphragm

Aftermarket / Verified Equivalents

• Sierra: 18-7349
• Mallory: 9-35301
• Sierra: 18-7788 repair kit
• Recmar: REC6E5-24410-03
• Aftermarket Yamaha V4 / V6 fuel pump: 6E5-24410-03 replacement

📦 Condition

• Genuine Yamaha part
• Brand new
• Supplied in original or equivalent packaging