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    Sprockets

    Home/Yamaha RD250/350/400/R5/DS6/DS7 Parts/Frame Related/Chains / Sprockets and Related/Sprockets
    • 520 Chain/Sprocket Conversion Kit for RD250/350/400 – Now with Gold Chain option!

      $159 to $239
      520 Chain/Sprocket Conversion Kit for RD250/350/400. Each kit includes a  steel 520 countershaft sprocket with correct offset, 520 aluminum rear  sprocket and a high quality 520 roller chain made in Japan by DID and cut to the correct number of links for your model. We offer this kit for  the RD250/350/400 in the most popular street performance configuration.  The RD250/350 kit includes a 14T countershaft sprocket and a 39T rear  sprocket and chain. The RD400 (76-78) kit includes a 16T counter shaft sprocket  and a 39T rear sprocket and chain. The RD400F (1979) kit includes a 15T counter shaft sprocket  and a 37T rear sprocket and chain. Note: All 520 rear sprockets come  coated with Titan Tough coating which greatly increases the life of the  sprocket. This coating is black, similar to black anodizing . This is  the standard gearing for the RD250/350/400 with the front sprocket  lowered by 1 tooth for acceleration. Note: RD400 sprockets will require shimming. RD400 Shim kit available separately here on the site. Sprockets made in the USA, Chain  made in Japan. Choose model and click add to cart.  Note: This kit does not work with a rear 120/80 tire (causes clearance and chain adjustment issues)
      Select options Details
    • 520 Conversion Counter Shaft Sprockets RD250/350/400

      $13.95 – $28.50
      520 Counter Shaft Sprocket. This sprocket is used to convert the standard 530 pitch chain to 520 and includes correct offset. High quality steel sprocket made in the USA. Available for the RD250/350 in sizes from 11-20 Teeth. Available for the RD400 in sizes from 11-18 teeth.
      Select options Details
    • 520 Conversion Rear Sprockets RD250/350/400

      $86.50
      This sprocket is used to convert the standard RD 530 pitch chain to 520. High quality light weight aluminum sprockets made in the USA. Available in sizes from 37-50 teeth. Other custom sizes avaiable, please inquire. We stock the most common sizes, for other sizes allow 2-4 Weeks for Delivery of this item -  Note: All 520 rear sprockets come with a hard anodized Titan Tough coating (black) which greatly increases the life of the sprocket. RD350 sprocket pictured. Choose model, sprocket size and quantity, then click add to cart.
      Select options Details
    • RD400 (all) 520 Conversion Shim Kit

      $29.50 – $32.50
      RD400 520 Conversion Shim Kit. Shim kit includes shims for front and rear sprockets used in our 520 conversion sprocket/chain kits for the RD400. Choose model and click add to cart
      Select options Details
    • RD400 Rear Sprocket Washer Plate (OEM 90201-66585-00)

      $9.75
      RD400 (all) Rear Sprocket Washer Plate, sold each. Reproduction part no longer available from Yamaha. Replaces OEM part number 90201-66585-00. Laser cut, steel. Also fits XS360, XS400, XS500
      Add to cart Details
    • Yamaha RD350 RD250 DS6/7 R5 Counter Shaft Sprocket Lock Washer

      $6.50
      Yamaha RD350/250/R5/DS6/7 Counter Shaft Sprocket Lock Washer. Original Yamaha Part.
      Add to cart Details
    • Yamaha RD350/RD250 Front Sprocket (73-75), by JT

      $16.95
      Front Sprockets - RD350/RD250 (all years 73-75), choose size below. (Sprockets manufactured by JT))(picture may vary from actual sprocket). Choose sprocket size and quantity, then click add to cart.
      Select options Details
    • Yamaha RD350/RD250 Rear Sprocket (73-75), by JT

      $41.95
      Yamaha RD350/RD250 Rear Sprocket (73-75), by JT, 39 Teeth (picture may vary from acutal sprocket)
      Add to cart Details
    • Yamaha RD400 Front Sprocket (1976-79), by JT

      $16.95
      JT Front Sprockets - RD400 (all years 76-79), choose size below. (Sprockets manufactured by JT). Choose sprocket size and quantity, then click add to cart.
      Select options Details
    • Yamaha RD400 Rear Sprocket (1979)

      $32.50
      JT Sprockets Rear Sprocket, Yamaha RD400F (1979). Available in 37 tooth only.
      Add to cart Details
    • Yamaha RD400 Rear Sprocket (76-78) 38T

      $41.99
      JT Sprockets Rear Sprocket, RD400 1976-1978, 38T (picture may vary from actual product)
      Add to cart Details
    • Yamaha RD400(all) RZ350(all) Counter Shaft Sprocket Lock Washer

      $8.25
      Yamaha RD400(all) RZ350(all) Counter Shaft Sprocket Lock Washer. Original Yamaha Part.
      Add to cart Details
    • Yamaha RD400(all) RZ350(all) Counter Shaft Sprocket Lock Washer Reproduction replaces OEM 90215-21239-00

      $4.50
      Yamaha RD400(all) RZ350(all) Counter Shaft Sprocket Lock Washer. Reproduction replaces OEM 90215-21239-00 (originally 90215-21121-00). Also fits Banshee. 
      Add to cart Details

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