Porting, Race Engines, Race bike Prep and Restos


Dr Rossmx is dedicated to servicing the performance needs of  racers offering quality services and advice.

Featured Products

New products are coming soon!

About Us


 DR RossMX is operated by Ross McWatters. Specializing in  performance motor modifications for off  road competition race bikes. If you are into the performance  of your bike you have come to the right place! 

Race Engines

 Dr Ross has built dozens of Australian championship winning motors. He  has worked with a long list of riders Craig Dack , Lee Hogan, Craig  Anderson, Jeff Liesk, Shayne King , Shane Watts, Kim Ashkenazi, Daniel  Reardon, Tye Simmonds Tayla Jones and Meghan Rutlelge have all won championships using engines built  by Dr Ross. If you count Motocross, Supercross, Supercross Masters and  Thumper Nat's titles he has over 20 national championships as a tuner. 

VMX Resto

Dr Ross has been wrenching on MX bikes since the early 80's and has the knowledge and experience to rebuild the performance and appearance of your project bike. Simple rebuild or full restos tackled regularly!

Contact Us

Get in Touch!

Ask Dr Ross

Send us a Text message or just give me a call with any questions on your MX bike needs, performance, resto's and more. Whether you're new to the motorcycle racing scene, or a longtime rider, I look forward hearing from you.


4 Wilden Close, Jamisontown New South Wales 2750, Australia

0406 448 455