The Namura NX-40022-2 Piston Kit is designed for select Yamaha TT-R230 models equipped with a Nikasil-plated cylinder. This replacement piston kit features a 70.47 mm piston diameter with a +0.50 mm oversize specification, providing a reliable solution for rebuilding the top end of your engine. It is engineered to support proper fit, compression, and dependable performance when installed according to the manufacturer’s service specifications.
Each Namura piston kit includes an individually wrapped piston, a set of OEM-quality piston rings packed in a separate box, an OEM-quality wrist pin, and cir-clips. These included components help simplify the replacement process and provide the essential parts needed for a complete piston installation. The kit is intended for compatible Nikasil cylinder applications and should be matched to the cylinder condition and required service size before installation.
Fitment includes 2005–2009, 2011–2015 Yamaha TT-R230 models. Confirm the motorcycle year, cylinder specification, and required piston size before ordering. Manufactured by Namura and identified by manufacturer part number NX-40022-2, this piston kit is a practical replacement for maintaining or restoring engine performance on supported Yamaha applications.
Features:
- Application: Replacement piston kit for compatible Yamaha TT-R230 engines with Nikasil-plated cylinders
- Piston Size: 70.47 mm diameter with a +0.50 mm oversize specification
- Included Components: Individually wrapped piston, OEM-quality piston rings, wrist pin, and cir-clips
- Fitment: 2005–2009 and 2011–2015 Yamaha TT-R230 models
- Brand: Namura
- Manufacturer Part Number: NX-40022-2
Fitment:
2005 Yamaha TT-R230
2006 Yamaha TT-R230
2007 Yamaha TT-R230
2008 Yamaha TT-R230
2009 Yamaha TT-R230
2010 Yamaha TT-R230
2011 Yamaha TT-R230
2012 Yamaha TT-R230
2013 Yamaha TT-R230
2014 Yamaha TT-R230
2015 Yamaha TT-R230
2016 Yamaha TT-R230
2017 Yamaha TT-R230
2018 Yamaha TT-R230
2019 Yamaha TT-R230
2020 Yamaha TT-R230
2021 Yamaha TT-R230
2022 Yamaha TT-R230