Sherco 300 SE Xtrem [2025-2026] - Cylinder head - High compression

S3 cylinder head with high compression for Sherco 300 SE Xtrem

The S3 cylinder head with high compression was developed for the Sherco 300 SE Xtrem and is designed for noticeably more dynamic engine characteristics. The kit supports a faster response than the stock engine and allows the engine to be revved further. In addition, more power is available in the upper range of the usable speed range.

Function and properties

• High compression for dynamic engine tuning
• Faster response than the stock engine
• Further turning of the motor compared to the standard version
• Additional power at the top end of the power band
• Design for temperature reduction
• Lower weight
• Striking look of the S3 cylinder head

Scope of delivery

The kit includes an Extreme insert, the cylinder head and a Toric set.

Vehicle assignment

The S3 cylinder head with high compression is assigned to the 2025-2026 Sherco 300 SE Xtrem.

Factual note

The design combines higher compression with a more direct engine response and additional power in the upper power range. The cylinder head is therefore aimed at drivers who want to change the characteristics of their engine compared to the standard version.