PRO YZ125 2006-2018 build – FULL ENGINE BUILD


PRO YZ125 2006-2018 build – FULL ENGINE BUILD


This is a high performance engine build for a YZ125. Suits 2006-2018 models.

PRO engine builds are suited to experienced riders wanting maximum power without sacrificing reliability.

Labour for full strip down and rebuild of your engine, head setup, advanced porting, carb bore, case mods, new HGS expansion chamber (worth $340), new HPI or Athena GET programmable ECU (worth $549), dyno tuning (including programming ECU), dyno printout of power output. Please contact us if you have a new model with GYTR pipe and V Force reed cage standard as we may be able to remove the cost of the HGS pipe from the total.

Price does not include engine parts. These will be determined by engine condition. Brand new engine will only need gaskets (approx. $100), used engine may require gaskets, seals, main bearings, piston kit, crank rebuild (approx. $750 all up).

Send us
– your complete engine with clutch lever and hose attached
– your complete carb with throttle cable and throttle tube attached
– your rubber air boot and air filter
– your current CDI, wiring loom and ignition coil
– your current stock silencer

YES it requires you to do a full strip down of the bike but that’s what it takes to build an engine this good!

You can bring in the whole bike and we will remove/refit the engine for you for approx. $250.

Please schedule your job HERE using our online booking page. Payment is taken when the job is completed. 


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Model List

Make Model Year
Yamaha YZ125 2018
Yamaha YZ125 2017
Yamaha YZ125 2016
Yamaha YZ125 2015
Yamaha YZ125 2014
Yamaha YZ125 2013
Yamaha YZ125 2012
Yamaha YZ125 2011
Yamaha YZ125 2010
Yamaha YZ125 2009
Yamaha YZ125 2008
Yamaha YZ125 2007
Yamaha YZ125 2006

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