It starts with a feeling…

The love and challenge of recreating, restoring and rebuilding something and giving it new life is what we are all about. “

- Jason Wiggers Endless Sunday

Technical services

  • VIntage Dirt Bike restoration - cerecoating - powder coating - zinc plating - hard to find parts from all over the world

  • CNC /CAD Custom design and manufacture of parts to convert current alloy frame dirt bikes to 2 stroke or Electric motors (Sur-ron)

  • Dirt Bike importation from overseas

  • Modern Dirt Bike project and performance modification

  • 2 stroke Full Engine Rebuilds

  • High performance parts

  • Suspension customising and servicing

  • General tyre fitting and servicing

  • Riding gear and spare parts


KX500ESR production bike
A$27,000.00

KX500ESR production bike

We have combined the ergonomics and feel of a modern Aluminium frame machine with the awesome power of the legendary 2 stroke 500 motor

The best of both worlds made here in Australia

I’m so excited to bring this long term dream of mine to life, combining my 20 plus years of engineering skills and my passion dirtbikes into a fully realised Production bike for people to enjoy!

  • Cut modified Modern KX450 frame to suit 90s era KX500 motor

  • Custom made carbon fibre airbox

  • PWK Carbi

  • FMF, procircuit or Hygge cone pipe options

  • Black edition $3871.95 on top , Wheel set, black powder cote frame, black forks,

  • Custom sticker kit

  • Custom seat 

  • Custom radiators 

  • Motor is aqua blasted, cylinder re sleeved, rebuilt with quality parts 

500 top end rebuild
A$700.00

Two-Stroke Top-End Rebuild

Restore compression, power, and reliability with a precision top-end rebuild.

What’s included:

  • Engine removal (if required) or service completed in-frame

  • Remove cylinder and disassemble top-end components

  • Inspect cylinder bore and components for wear or damage

  • Replace piston, rings, gaskets, and seals

  • Clean and prepare all mating surfaces

  • Reassemble to correct tolerances

  • Reinstall and set up on the bike

Ideal for maintaining performance and preventing major engine damage, keeping your bike running crisp and strong.

Fork seals and service
A$300.00

Fork Seal Replacement Service

Restore smooth suspension performance and eliminate oil leaks with a complete fork seal service.

What’s included:

  • Remove forks from bike

  • Full disassembly of fork components

  • Remove worn seals and inspect internals

  • Install new seals (SKF or standard, depending on your preference)

  • Reassemble to correct specifications

  • Reinstall forks and set up on the bike

Ensures proper sealing, consistent damping, and a smooth, controlled ride.

Bike service
A$300.00

Motorcycle Service

Keep your bike running at its best with a complete service focused on performance, reliability, and safety.

What’s included:

  • Replace engine oil

  • Replace oil filter

  • Clean or replace air filter

  • Check and adjust tyre pressures

  • Clean and lubricate chain

  • Inspect chain and sprockets (replacement if required)

  • Lubricate all key moving components

  • Adjust levers and controls for optimal feel

  • Basic suspension check and setup

  • Full safety inspection

Designed to keep everything running smoothly, extend component life, and make sure your bike feels right every time you ride.

CR500ESR production bike
A$25,000.00

CR500ESR production bike

We have combined the ergonomics and feel of a modern Aluminium frame machine with the awesome power of the legendary 2 stroke 500 motor

The best of both worlds made here in Australia

I’m so excited to bring this long term dream of mine to life, combining my 20 plus years of engineering skills and my passion dirtbikes into a fully realised Production bike for people to enjoy!

  • Cut modified modern CRF450 frame to suit 90s era CR500 motor

  • Custom made carbon fibre airbox

  • PWK Carbi

  • FMF, procircuit or Hygge cone pipe options

  • Black edition $3871.95 on top , Wheel set, black powder cote frame, black forks,

  • Custom sticker kit

  • Custom seat 

  • Custom radiators 

  • Motor is aqua blasted, cylinder re sleeved, rebuilt with quality parts 

250 2 stroke full rebuild
A$1,650.00

Two-Stroke Engine Full Rebuild

Complete engine rebuild designed to restore power, reliability, and longevity—built properly, not just freshened up.

What’s included:

  • Remove engine from bike

  • Full engine strip-down

  • Detailed inspection of all components

  • Replace crankshaft, piston, rings, bearings, gaskets, and seals

  • Crankcases cleaned and prepared

  • Optional aquablasting for as-new finish

  • Reassembly using new components and hardware

  • Precision assembly to correct tolerances

This is a full rebuild—not a top-end refresh—ensuring your engine runs strong, clean, and reliable.

Contact us.

Email: Hello@endlesssundaymotorsport.com
By Appointment - Mornington 3931

Please Call or Text +61421434642

Google Maps Location