Ignition Coil Replacement for Yamaha 40HP 2-Stroke Outboard (66T-85570-00)

Product Overview

This ignition coil replacement is designed for Yamaha 40HP 2-stroke outboard engines, providing stable high-voltage output for reliable ignition and smooth engine operation. Featuring a sealed waterproof housing and OEM-style connector, it installs easily with no wiring modifications required.

Fitment

Brand	Engine / Model	Year Range
Yamaha	40HP 2-Stroke Outboard	1998–Newer
Yamaha	E40 / E40X / 40X / 40XWT	2-Stroke
Yamaha	OEM Part Number	66T-85570-00

Important Fitment Notice:

• Designed for Yamaha 40HP 2-stroke outboard motors
• ❌ Not for motorcycles (FZ6 / FZ1 / FZS models are not compatible)
• Please verify OEM part number, size, and connector before ordering

Specifications

Item	Details
Product Type	Ignition Coil
OEM Reference	66T-85570-00
Engine Type	2-Stroke Outboard
Application	Marine
Connector Type	OEM Plug-and-Play
Waterproof	Yes (Sealed Housing)
Installation	Direct Replacement
Condition	Brand New

Key Features

• OEM-style ignition coil for Yamaha 40HP 2-stroke outboards
• Stable high-voltage output for consistent ignition performance
• Sealed waterproof design for marine environments
• Plug-and-play installation with no wiring modification
• Durable construction for long-term marine use