Ignition Coil for Yamaha F4 F5 4-5HP Outboard 4-Stroke Replaces 670-85640-00
670-85640-00
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Yamaha 4-Stroke Ignition Coil (670-85640)
Premium Quality Marine Replacement Part
Restore the reliable starting and smooth idle of your Yamaha outboard with this high-performance ignition winding assembly (TCI Unit). This aftermarket component is specifically engineered to handle the rigorous demands of marine environments, ensuring a consistent spark and optimal combustion efficiency.
Key Features
- ✔ Direct fit for Yamaha F4/F5 motors
- ✔ Corrosion-resistant marine-grade casing
- ✔ Enhanced electrical insulation
- ✔ Optimized for carburetor-equipped F4A models
Technical Specs
| Engine Type: | 4-Stroke |
| Horsepower: | 4HP / 5HP |
| Configuration: | Single Cylinder |
| Part Type: | TCI Unit / Winding Assy |
Compatibility / Fitment Guide
| Make/System | Model/Application | Year Range |
|---|---|---|
| Yamaha Outboard | F4 (4-Stroke) 3.7 kW / 5HP | 1998 – Onwards |
| Yamaha Outboard | F5 (4-Stroke) 4-5HP | All Compatible |
| Parsun Outboard | F4 / F5 Models | Check Cross-Ref |
OEM Cross Reference
| Yamaha OEM Part # | 670-85640-00, 6708564000 |
| Yamaha OEM Part # | 67D-85640-00, 67D8564000 |
| Parsun Part # | F4-04000038 |
Questions & Answers
Is this a genuine original part?
This is a premium quality aftermarket replacement part, manufactured to meet or exceed original equipment (OE) standards for fitment and performance in saltwater and freshwater conditions.
How do I know if it is compatible?
We recommend checking the SKU/MPN (670-85640-00) against your engine's service manual. This part is specific to Yamaha 4-stroke 4HP/5HP single-cylinder models from 1998 onwards.
Will this fit 2-stroke models?
No, this ignition coil is specifically designed for the 4-stroke F4 and F5 engine architecture. It will not work on 2-stroke 5HP models.
Note: Please verify your original part number against the references above before purchasing. For expert assistance, contact the team at 4boats.co.uk.
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.
