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: Engine, Honda, TRX250R Description Description CR500 8 ball main bearing. Related products HondaTransmission & Clutch TRX250R Transmission Bushing Kit For 87-89 TRX250R. HondaIntake 1986 TRX250R Stainless Steel Intake For 1986 TRX250R only. ExhaustHonda TRX250R LED Big Bore Silencer Round Small Body For motor sizes 330-430. Round muffler small body. For use with LED 350G, 350D, and Puma exhaust. EngineHonda TRX250R Seal Kit Seal kit