DOC #CERT-710B-9143-32C5
29.08.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
29.08.2026
Sherco Sef
2008 sef 250HP Petrol
Original
250HP
Nm
Stage 1
275HP
Nm
+25 HP / +10% +0 Nm / +0%
Estimated Power and Torque Curve
Customer
Chassis
Date
Signature
Stamp
NOTICE: This document represents estimated values based on database information. It is not valid as official certification without the original handwritten signature and physical stamp of the authorized technician. Performance values may vary based on vehicle condition, fuel quality and operating environment.