Скачать или смотреть Yamaha R3 / MT-03 Big Bore Kit (70mm) | Complete Parts Overview

This is a high-compression 70mm piston with a 1.5mm dome height increase, delivering significantly more power and torque. The Nikasil-coated cylinder ensures durability under extreme conditions, and when matched with lightweight racing pistons, the weight reduction over stock is noticeable.

Also featured in this build:
⚙️ Velocity stacks for optimized airflow
⚙️ 9.2mm high-lift camshaft – the most extreme lift available for this platform
⚙️ Racing valve springs to handle high RPM reliably
🔥 All together, this package is pushing towards 65HP – making it one of the most aggressive Yamaha R3 / MT-03 setups out there.

🔧 Whether you're building for the track or chasing top-end performance, this is a must-watch.

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