Engine Bearings / Rod Kits

ProX Connecting Rod Kit - Yamaha RD250/350/R5/DS7 (all). Connecting Rod Kit by ProX, includes connecting rod, small end bearing, big end bearing, pin and thrustwashers. PROX Connecting Rod Kits are made out of the toughest alloys available today. O.E. specifications and tolerances are meticulously maintained, a guarantee for easy installation and trouble free performance. Sold each. Sample

Yamaha RD250/350/400/R5/DS7 (all years) Crankshaft Bearing - Inner (Yamaha OEM). Original Yamaha OEM Bearing. Current Yamaha part number 93306-20621-00. Sold each (crankshaft requires 2)

Yamaha RD250/350/400/R5/DS7 (all years) Upgraded Connecting Rod Big End Bearing. This flat caged silver plated big end bearing comes from the Suzuki RG500 Gamma, but is a perfect match for the Yamaha RD's and much stronger then the stock bearing. This bearing can be used with stock Yamaha rods or the ProX rods we sell here on the site. (sold each)

Yamaha RD250 DS7 (all years) Connecting Rod Small End (wrist pin) Bearing by Wiseco B1016, sold each.