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

🔄 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

🚤 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

📦 Condition

• Genuine Yamaha part

• Brand new

• Supplied in original or equivalent packaging