37250-ZW2-911 Honda Tachometer | Genuine Used Part

🔧 Product Description

Genuine Honda BF25 BF30 Analogue Tachometer - Part Number: 37250-ZW2-911

A genuine used Honda Marine tachometer for selected BF25 and BF30 four-stroke outboard motors.

The gauge displays engine speed using the charging-system pulse signal and connects through the Honda optional-meter wiring harness. Fitment is frame-serial controlled because adjacent production groups may specify earlier or later tachometer numbers.

⚙️ Key Features

• Genuine used Honda Marine tachometer
• Correct OEM part number 37250-ZW2-911
• Designed for Honda optional analogue meter systems
• Illuminated marine instrument
• Compatible with selected BF25 and BF30 engine groups

🚤 Compatibility

Commonly used on

• Honda BF25A and BF25D optional-meter installations
• Honda BF30A and BF30D optional-meter installations

Typically suits

• Honda BF25A
• Honda BF25D
• Honda BF30A
• Honda BF30D
• Approximately 1999-2006 model groups where the parts diagram specifies 37250-ZW2-911
• Frame serial number must be checked before installation

🔌 Function

The gauge converts the engine's alternator pulse frequency into an RPM reading.

⚠️ Common Signs of Failure

• Tachometer remains at zero
• RPM reading is unstable
• Gauge reads at the wrong ratio
• Meter harness is damaged
• Illumination does not operate
• Signal terminal is corroded
• Gauge loses operation as the wiring moves

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 37250-ZV7-912 earlier tachometer on selected BF30 frame ranges
• 37250-ZW2-911 intermediate tachometer on specified frame ranges
• 37250-ZV7-913 later tachometer on selected BF25D production groups
• The correct reference must be selected by model and frame serial number

OEM / Related Numbers

• 37250-ZW2-911
• 37250ZW2911
• 37250-ZV7-912
• 37250-ZV7-913
• 32540-ZV5-910 and 32540-ZV5-911 related meter harness A
• 32550-ZV5-910 related meter harness B
• 37253-ZV5-821 gauge packing
• 37256-ZV5-821 mounting bracket
• 37258-ZV5-821 bulb socket
• 34908-MB9-871 illumination bulb

Aftermarket / Verified Equivalents

• Faria universal 7,000 RPM outboard tachometer with the appropriate Honda signal wiring
• Sierra / Veethree universal outboard tachometer
• Universal alternatives are functional replacements and may not be plug-and-play or cosmetically identical

📦 Condition

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