16400-ZVK-023 17374-ZX2-000 Honda Throttle Body Assy | Genuine Used Part

🔧 Product Description

Genuine Honda BF175D-BF250D Throttle Body Assembly - Part Number: 16400-ZVK-023

A genuine Honda mechanical throttle-body assembly for selected BF175D, BF200D, BF225D and BF250D V6 four-stroke outboards. The secondary listing number 17374-ZX2-000 identifies the associated silencer / muffler grommet rather than a second throttle-body number.

⚙️ Key Features

• Genuine Honda OEM throttle-body assembly
• Correct current part number 16400-ZVK-023
• Related silencer grommet 17374-ZX2-000
• Used on selected BF175D, BF200D, BF225D and BF250D models
• Factory-calibrated throttle plate and linkage for Honda V6 EFI systems

🚤 Compatibility

Commonly used on

• Honda V6 EFI outboard throttle-body and silencer assemblies
• Mechanical-throttle BF175D, BF200D, BF225D and BF250D model families

Typically suits

• Engine models:
• Honda BF175D
• Honda BF200D LDA / LRA
• Honda BF200D XDA / XRA
• Honda BF200D XCDA / XCRA
• Honda BF200DK1
• Honda BF225D LDA / LRA
• Honda BF225D UCDA / UCRA
• Honda BF225DK1
• Honda BF250D LDA / LDS / LRA
• Honda BF250D UCDA / UCRA
• Honda BF250DK1
• Mechanical-control variants whose throttle-body diagram specifies 16400-ZVK-023
• HP Range: 175HP - 250HP
• Engine Type: Honda V6 EFI four-stroke outboard
• Year Range: Approximately 2014 onward, dependent on model suffix

🔌 Function

The throttle body regulates air entering the V6 intake manifold. The throttle cable moves the butterfly plate while the ECM uses throttle-position, air-temperature and manifold data to control fuel injection and ignition timing.

⚠️ Common Signs of Failure

• Binding or sticking throttle plate
• Rough or unstable idle
• Hesitation under acceleration
• Throttle-position sensor irregularity
• Air leakage at the gasket or shaft
• Damaged silencer grommet allowing vibration or air-box movement

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 16400-ZVK-023 → Supersedes / replaces 16400-ZVK-003 where specified
• 16400-ZVK-003 earlier throttle-body assembly

OEM / Related Numbers

• 16400-ZVK-023
• 16400-ZVK-003
• 17374-ZX2-000 silencer / muffler grommet
• 16176-ZY3-000 throttle-body gasket
• 16176-ZVL-003 throttle-body gasket
• 16404-ZX2-000 throttle-body spacer
• 36550-ZY3-003 electronic air-control valve
• 35665-ZW5-003 intake-air-temperature sensor

Aftermarket / Verified Equivalents

• No aftermarket equivalent

📦 Condition

• Genuine used part
• Removed from running engine where applicable
• In good working condition unless otherwise stated