Engine Seals - Aftermarket

  • Oil Seal Kit for Yamaha RD400/350/250/R5DS7. High quality seal kit, includes all seals for bottom end. Seals are by Sudco/ARS, OEM quality manufacturer. This kit includes includes 9 seals. These seals appear nearly identical to Yamaha OEM seals. (click on the picture for seal identification)
    • Countershaft Sprocket Seal
    • Crankshaft RH
    • Crankshaft LH
    • Kickstarter Shaft
    • Shif Shaft (crankcase)
    • Shift Shaft (outer cover)
    • Clutch Push Rod
    • Oil Pump
    • Oil Pump Note: Shifter fork shaft plugs and the special O-ring crank seal are not included in this kit but are available separately here on the site in the seals category. Note: The RH crankshaft seal for the R5 is no longer available, however the seal in this kit can be used by simply removing the raised rubber lip as there is no groove in the R5 case for it.
     
  • Labyrinth Seal RD250/350/400/R5/DS7 (all years) OEM quality reproduction seal. Original part (278-11515-00-00) no longer available from Yamaha. Measures 62mm o.d. x 30mm i.d. x 18mm width. Sold each.
  • Engine Oil Seal Kit for Yamaha R5/DS7. High quality seal kit, includes all seals for bottom end. By Mocom, high quality aftermarket seals. This kit includes includes 7 seals. (click on the picture for seal identification)
    • Countershaft Sprocket Seal
    • Crankshaft RH
    • Crankshaft LH
    • Kickstarter Shaft
    • Shift Shaft (crankcase)
    • Clutch Push Rod
    • Oil Pump Note: Shifter fork shaft plugs (2 required) are not included in this kit but are available separately here on the site in the seals category.
     
  • Engine Oil Seal Kit for Yamaha RD400/350/250. High quality seal kit, includes all seals for bottom end. By Mocom, high quality aftermarket seals. This kit includes includes 8 seals. (click on the picture for seal identification)
    • Countershaft Sprocket Seal
    • Crankshaft RH
    • Crankshaft LH
    • Kickstarter Shaft
    • Shift Shaft (crankcase)
    • Shift Shaft (outer cover)
    • Clutch Push Rod
    • Oil Pump Note: Shifter fork shaft plugs and the special O-ring crank seal are not included in this kit but are available separately here on the site in the seals category.
     
  • Yamaha R5 DS7 Crank Seal - Left. Sold each. This is the correct crank seal without the raised ridge for the Yamaha R5 and DS7 (all years). Part no longer available from Yamaha, this is a high quality reproduction seal of OEM specifications. Also fits YR1, YR2, R3, TR2, TD3, 1973 TZ250, 1974 TZ350.
  • Yamaha R5 DS7 Crank Seal - Right. Sold each. This is the correct crank seal without the raised ridge for the Yamaha R5 and DS7 (all years). Part no longer available from Yamaha, this is a high quality reproduction seal of OEM specifications. Also fits 1974 DT250, DT360, 1974 MX250, MX360, 1972 TD3, TR3, 1974 TZ350
  • Yamaha RD350/400/250/R5/DS7 Crank Seal O-ring. OEM quality seal. Sold each. Replaces OEM part no. 360-11526-00-00. Note: This is a reproduction item, no longer available from Yamaha.
  • Yamaha RD350/400/250/R5 Transmission Shaft Plugs. By ARS or other manufacturer OEM quality seal. Sold each.