Genuine Yamaha Mariner Ignition Coil 30HP 40HP 689-85570-20 814990T
Yamaha Ignition Coil - 689-85570-20 - Studio image 1
Yamaha Ignition Coil - 689-85570-20 - Alternative angle image 2
Yamaha Ignition Coil - 689-85570-20 - Product detail image 3
Yamaha Ignition Coil - 689-85570-20 - Catalogue image 4
Genuine Yamaha Mariner Ignition Coil 30HP 40HP 689-85570-20 814990T
Yamaha Ignition Coil - 689-85570-20 - Studio image 1
Yamaha Ignition Coil - 689-85570-20 - Alternative angle image 2
Yamaha Ignition Coil - 689-85570-20 - Product detail image 3
Yamaha Ignition Coil - 689-85570-20 - Catalogue image 4

Genuine Yamaha Mariner Ignition Coil 30HP 40HP 689-85570-20 814990T

  • Dispatched in 2-3 days
  • 30 Day Return Policy
  • Low stock - 1 item left
  • Backordered, shipping soon
Our stock levels are dynamic and can change frequently. If a product appears to be in stock, it may have already sold out. Please contact us if you have any questions about availability. Thank you for your understanding.
£139.95
/
Tax included.

Ignition Coil 689-85570-20

For Yamaha & Mariner 30HP - 40HP Outboards

This ignition coil assembly is a high-performance part for 2-cylinder, 2-stroke Yamaha and Mariner outboard engines. Specifically engineered for the 30HP and 40HP series, this part ensures a consistent, high-voltage spark to improve starting reliability and engine responsiveness.

RELIABILITY: Manufactured to meet or exceed OEM 689-85570-20 and 814990T specifications, featuring moisture-resistant housing for harsh marine conditions.

Key Features

  • ✔ Direct fit for Yamaha 689 and 6E9 models
  • ✔ High-grade silicone spark plug lead
  • ✔ Corrosion-resistant electrical terminals
  • ✔ Precision copper windings for peak output

Technical Specs

Weight: Approx. 300g
Engine Cycle: 2-Stroke
Configuration: 2-Cylinder
Input: 2-Wire Primary

Compatibility / Fitment Guide

Make Model/Application Year Range
Yamaha 25HP / 30HP / 40HP (2-Cyl) 1984 - 1997
Yamaha 30A (Type 689) / 40C (Type 6E9) All Versions
Mariner 30A / 40C (Japanese-built) 1980s - 1990s

OEM Cross Reference

Yamaha Part Numbers 689-85570-20, 689-85570-21, 689-85570-11
Mercury Mariner 814990T, 814990M, 84874T, 84874M
Mitsubishi Ref F6T421, F6T569

Questions & Answers

Is this compatible with both Yamaha and Mariner?

Yes. Many Mariner 30HP and 40HP engines from the 1980s and 90s were manufactured by Yamaha and use the exact same ignition system components.

How do I know if it is compatible?

We recommend checking the SKU/MPN and Cross Reference list provided above. If your original part number matches any of these (especially the 689 prefix), it is a guaranteed fit.

Does this include the spark plug wire?

Yes, this assembly comes complete with the high-tension lead (spark plug wire) attached.

Note: Please verify your original part number against the references above before purchasing. This is a premium replacement part supplied by 4boats.co.uk.

For the products under £150 the shipping is £6.99.

Free delivery for most items over £150.

This site is protected by hCaptcha and the hCaptcha Privacy Policy and Terms of Service apply.

You may also like

Recently viewed

Why choose us

Quality marine parts and boat equipment from 4Boats UK

QUALITY MARINE PARTS

We source dependable marine products from established suppliers and continually refine our range using customer feedback.

Untitled_1080_x_1080_px_2 - 4Boats

TRUSTED SUPPLIERS

We work with trusted marine suppliers and distribution partners to provide reliable parts, equipment and fulfilment.

Simple_Image_Play_Built_into_Routine_Cosmetics_TikTok_In-Feed_Ad_1080_x_1080_px_10 - 4Boats

PERSONAL SERVICE

Every order is checked by the 4Boats team. Contact us before ordering if you need help with part numbers, compatibility or availability.