31110-ZW5-000ZA Honda Flywheel | Genuine Used Part

🔧 Product Description

Genuine Honda BF115 / BF130 109-Tooth Flywheel - Part Number: 31110-ZW5-000ZA

A genuine used Honda black flywheel for first-generation BF115 and BF130 four-stroke outboards.

The flywheel has a 109-tooth starter ring gear and mounts above the stator and timing-belt system on the Honda 2.3-litre inline four-cylinder engine.

⚙️ Key Features

• Genuine Honda black flywheel assembly
• Correct Honda reference 31110-ZW5-000ZA
• 109-tooth starter ring gear
• Suits Honda BF115 and BF130 engines
• Carries charging magnets and timing references

🚤 Compatibility

Commonly used on

• Honda BF115 and BF130 starting systems
• Honda BF115 and BF130 charging systems
• Honda 2.3L inline four-cylinder outboards

Typically suits

• Engine models:
• Honda BF115AX
• Honda BF115AY
• Honda BF115A1
• Honda BF115A2
• Honda BF115A5
• Honda BF115A6
• Honda BF130AX
• Honda BF130AY
• Honda BF130A1
• Honda BF130A2
• Honda BF130A3
• Honda BF130A4
• HP Range: 115HP - 130HP
• Engine Type: 2.3L inline four-cylinder, four-stroke EFI outboard
• Year Range: Approximately 1999 - 2007

🔌 Function

The flywheel carries the starter ring gear, generates charging current with the stator and provides rotational inertia and engine-timing references.

⚠️ Common Signs of Failure

• Starter does not engage correctly
• Broken or worn ring-gear teeth
• Loose or cracked magnets
• Charging-system output is low
• Flywheel key or crankshaft taper is damaged
• Excessive vibration or runout
• Flywheel rubs on the stator

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 31110-ZW5-000ZA Honda black-finish flywheel reference

OEM / Related Numbers

• 31110-ZW5-000ZA
• 31110ZW5000ZA
• Crankshaft pulley: 13811-ZW5-000
• Cooling fan: 19510-ZW5-000
• Flywheel boss and crankshaft hardware from the ZW5 flywheel assembly
• Timing belt: 14400-ZW5-004
• Alternator belt: 31638-ZW5-004

Aftermarket / Verified Equivalents

• No aftermarket equivalent

📦 Condition

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