Home / Honda / TRX250R / Engine / CR500 Main Bearing CR500 Main Bearing$29.95 CR500 8 ball main bearing. CR500 Main Bearing quantity Add to cart Categories: Honda, TRX250R, Engine Description Description CR500 8 ball main bearing. Related products ExhaustHonda TRX250R Big Bore Pipe 350D LED 350D exhaust. For use with motor sizes of 330-390 For cross country, MX and trail riding applications. Price is for the pipe only. HondaTransmission & Clutch Clutch Kit for Hinson Works Clutch Basket Includes: Fiber clutch plates. Steel clutch plates. Springs. HondaTransmission & Clutch Hinson Works Clutch Basket for TRX250R For TRX250R ExhaustHonda TRX250R LED Big Bore Silencer Round Small Body For motor sizes 330-430. Round muffler small body. For use with LED 350G, 350D, 350J, and Puma exhaust.