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Yamaha 40hp 2 Stroke Service Kit (OSSK14)

In Stock
  • Free Shipping


  • 1 YEAR


  • ISO 9001 Certified
    ISO 9001


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This kit includes:
1 x 63D-W0078-01 Waterpump Kit (OSWK63D)
1 x 6E5-12411-30 Thermostat (OST6E5)
1 x 6J8-12414-A0 Thermostat Gasket (OSTG6J8)
2 x 90430-08020 Lower Unit Drain Screw Washer (OSDW802)
3 x B7HS-10 NGK Spark Plugs

This part suits the following engines: Yamaha 40hp 2 Stroke 3 Cylinder 1995-2016.


About The Brand

Outboard Spares brand of parts are tested in Australia's harsh marine environment with a focus on quality and durability. Outboard Spares parts are used by professional fishermen who depend on their parts to stay on the water and in business. So next time you service your engine choose what the professionals use, choose Outboard Spares.

  • Standard Shipping is free on all orders. Oils & Lubricant products can only be sent via Standard Shipping.
  • Express Shipping is $10 flat rate.
  • Pick up is available from our warehouse at 1/84 Brunel Road, Seaford VIC 3198 between the hours of 8:30am to 3:30pm weekdays. You will be notified by email when your order is ready for pick up.

Delivery Time

Orders are dispatched same business day if ordered before 3:00pm AEDT. All orders are dispatched from Melbourne, Victoria and are sent via Australia Post.

For delivery time estimates with Australia Post please use their delivery calculator here:

If you have any questions relating to shipping, please contact us by emailing

Service kit

By: on 13 April 2023
Great all round kit

Yamaha 40-50hp 2 Stroke Service Kit (OSSK14)

By: on 3 June 2021
Good quality parts, perfect fit and fast delivery. Will definitely shop again at Outboard Spares.

Quality at a great price

By: on 7 April 2021
Comparing the self service option to in shop option pricing is crazy, if you have the mechanical dexterity to do the job. This kit is at an excellent price, and provides the DIYer with great quality replacement parts which fit perfectly and are easy to install. Great product.

Servive kit

By: on 9 June 2020
Great website good quality and free shipping!

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