Complete Exhaust Line CROSS HM - PRO by Yasuni

Handcrafted complete exhaust line designed for engines close to 70cc, providing power optimisation across a wide usage range. The hand-welded cone expansion chamber enhances flow efficiency for a smoother engine response in urban or off-road riding.

Design and Materials

• Handcrafted expansion chamber with hand-welded cones, ensuring flow efficiency and optimised engine response
• Designed for 70cc engines to improve the usage range on small displacements

Usage and Performance

• Power 18–23 hp depending on configuration, beneficial for enhancing acceleration performance
• Torque 17 Nm, advantageous for low-end responsiveness
• Usage range 50cc – 75cc, suitable for configurations around 70cc

Safety and Standards

• Fully road legal
• Designed for road and urban use, suitable for public road traffic

Practicality and Features

• Right-side outlet to fit modern chassis architectures and facilitate gas routing
• Cylinder collar 28 mm, making it easier to mount on cylinders designed for 28 mm

Advantages

• Weight 3.1 kg, making handling during installation easier and limiting added mass
• OEM Reference TUB233TH-D72-PRO

Examples of Compatible Motorcycles

• SHERCO 50 SM-RS (2026)
• SHERCO 50 SM-R (2026)
• SHERCO 50 SE-RS (2026)

Complete list of compatible motorcycles available in the dedicated section below