Services and Parts

The best for your boat and engine
Delta Watersport is a knowledge specialist on Williams Jettenders. We can help you with all your questions and we can service your jettender. Our qualified engineers know your boat and engine inside out. Call us for a service appointment + 31 (0) 111 672 874 or send us an email:

Order your parts online
Want to modify or upgrade your tender? Everything you need is in our webshop!

Owners Handbooks

Each Owners Handbook introduces you to the equipment fitted and the different pieces that make up your Williams tender. Learn how to operate and keep your tender in supreme condition.


Here’s a range of helpful videos, giving you step-by-step advice on basic maintenance of your tender.


Minijet – Introduction

Minijet – Flush Procedure

Minijet – Care / Maintenance


Sportjet – Introduction

Sportjet – Flush

Sportjet – Care / Maintenance


Turbojet – Introduction

Turbojet – Flush

Turbojet – Care / Maintenance