INSERT S/A 4.1 RCT Rider Kit The XSO series offers less

The XSO series offers less torsional friction and increased performance

The dual-stage design allows you to replace your stock reed stop with a Rev-Plate which permits the reeds to open freely and function efficiently

- HUSQVARNA FE 501 W 2025

RM 250 L0-L2 (10-12)

Any lithium battery that is safe to jump start (based on manufacture specs) can be used with Boost

INSERT S/A 4.1 RCT Rider Kit The XSO series offers lessScreen Insert for 4 Stroke Exhaust Replacement 4 Stroke Exhaust Spark Arrestor Screen Insert NOTE: Will not pass 2025 FIM sound regulation Specification Material: Steel Type: Spark Arrestor Units: Each Model: Factory 4. 1 RCT