2016-2018 Yamaha WR450F Top End Rebuild Kit
Mitaka Piston Kit
Piston - Aluminium alloy, forged and CNC machined.
Rings - Are the best available! Always TP or Riken, the same manufacturers used on many Japanese and European OEM pistons.
Gudgeon Pin - Hollow, forged, steel alloy, chromed, high strength and hardness.
The kit that will be sent out will include a B size piston kit (96.96mm - Standard Size) if you wish to change to an A size (96.95mm) or C size (96.97mm) please send a message when placing your order.
Mitaka Gasket Set
Head gasket, Base gasket, Valve stem seals, Timing chain tensioner seal or gasket, Exhaust pipe copper ring or gasket.
(Item may vary from picture - you will receive the item listed)
Mitaka components are engineered to OEM specifications or higher using the same manufacturing techniques and high quality materials.
For the majority of 2 and 4 stroke motocross bikes since the late 80's to present Best MX Shop offers - Piston kits, Connecting rod kits, Complete cranks, Main bearings, Gasket sets, Seal sets, Titanium valves, Steel valve and spring kits, 4 stroke cylinder kits, Clutch disc kits, Clutch baskets, Clutch centres, and Clutch pressure plates. If the item you require is not listed please get in contact as listings are constantly being added.
This item is usually in stock and shipped within one working day from Queensland, Australia.
Free Post Australia Wide
Please ensure you know the correct year and model of bike before you order. If you are unsure of your model and year please contact your local dealer with the frame number. If your local dealer is unable to help please send the frame numbers and pictures and we will attempt to find the details. If you order the wrong parts you will have to pay a restocking fee, however if we make a mistake we will be happy to get the correct parts to you as soon as possible or issue a full refund and cover postage costs.