Yasuni R - PRO Exhaust Complete LineRef : YASN00323A / 1155285002

Complete Exhaust Line R - PRO by Yasuni

The Yasuni R-PRO is a complete exhaust line developed by technicians from MotoGP, designed to exploit the high rev range while remaining road-legal. Compatible with tuned cylinders from 50cc to 70cc, it provides technical specifications (12.9 hp, 7.55 Nm) useful for engine tuning and adaptation.

Usage and Performance

• Design based on MotoGP experience to prioritise the high rev range and enhance engine behaviour at high RPM.
• Power of 12.9 hp and torque of 7.55 Nm, numerical indications to guide tuning and configuration choices.

Safety and Standards

• Fully road-legal product, usable in traffic.
• Design adhering to the limits imposed by homologation to balance performance and regulatory compliance.

Practicality and Features

• Compatible with tuned cylinders from 50cc to 70cc, suitable for prepared engine configurations.
• Usage range 50cc – 70cc, useful information for selecting the product according to your engine kit.

Advantages

• Weight of 3.6 kg, useful information for estimating handling during installation.
• OEM Reference TUB420B-RPRO

Examples of Compatible Motorcycles

• PIAGGIO TYPHOON 50 E4 (2020)
• DERBI BOULEVARD 50 2T (2016)
• GILERA RUNNER 50 BLACK SOUL (2015)

Complete list of compatible motorcycles available in the dedicated section below