Replacement gear shift shaft for ZS172FMM-5,Motorcycle Engine Shift Drum Gear Shift Fork for ZONGSHEN ZS172FMM-5 PR250 ZS175FMN PR300
replacement gear shift shaft for ZS172FMM-5
- Designed specifically for ZS172FMM-5 and ZS175FMN engine models
- Compatible with 250cc and 300cc motorcycle including PR250 and PR300 variants
- Includes gear shift shaft, engine gear forks, and shift drum assembly as a complete unit
- Engineered to restore shifting function and mechanical alignment
- Fits standard transmission configurations used in common -made mid-size motorcycles













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