For EXC 300 2019-2025 Electric Starter System Bronze Bushes For TE 300i TE 250i EC300 2021-2025 The electric starter system requires periodic inspection or cleaning every 20 hours or once per year as specified in the service bulletin.A critical maintenance point is replacing the bushing, which tends to wear quickly and may lead to damage in the starting system or engine casing. Upgraded bushes are made of bronze and designed.They are self-lubricating and require no maintenance.machined using CNC technology for accurate fitment.Features a 30° chamfer to simplify installation. Material: bronze Processing: CNC-machined Package includes: 1 x tool 1 x short bush (equivalent to P/N 55140030100) 2 x long bushes (equivalent to P/N 55540031000) Fitment: For 250 300 XC/XCW/EXC/ 2019-2025 For TE250i/TE300i 2019-2025 For 250 300 EC/EX 2021-2025 Note: Some 2019 models use two long bushes, while others use one long and one short.This kit includes both configurations to fit all variants. Compatibility Disclaimer: This is an part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.