Speed RPM limiter adjustable with off switch designed for San Yang Minarelli engines. This device allows precise control over engine revolutions by setting a maximum RPM limit to prevent over-revving. The adjustable feature enables customization according to performance needs. Equipped with an integrated off switch for easy activation and deactivation. Compact design ensures straightforward installation in limited spaces. Suitable for use in various two-stroke and four-stroke engine applications where RPM management is required. This product is an aftermarket solution. Brand names are mentioned only to clarify compatibility with specific models.