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    Engine Related

    Home/Shop/Yamaha RD250/350/400/R5/DS6/DS7 Parts/Engine Related
    •

      ***NOT CURRENTLY AVAILABLE*** Superior Heads SP1 – Toroidal Chamber Design, O-ring Gaskets, Sandcast – The Best Heads you can put on your RD!

      $625.00
      Select options Details

    • ***OUT OF STOCK*** Athena Complete Gasket Set for Yamaha RD400 (1976-78)

      $24.95
      Add to cart Details

    • ***OUT OF STOCK*** EBC Heavy Duty Clutch Spring Kit for Yamaha RD250/RD350/R5/DS7

      $12.50
      Add to cart Details

    • ***OUT OF STOCK*** Kickstand Relocation Kit – for bikes with modified exhuast/expansion chambers

      $75.00
      Add to cart Details

    • ***OUT OF STOCK*** Oil Pump Block Off Kit – Yamaha RD350 RD400 RD250 R5 DS7

      $19.95
      Add to cart Details

    • ***OUT OF STOCK*** Yamaha RD250/350/400 RZ350 (all) Oil Pump Block off Plate and Gasket

      $12.50
      Add to cart Details

    • Athena Complete Gasket Set for Yamaha RD350/RD250/R5

      $24.95
      Add to cart Details

    • Barnett High Performance Kevlar Clutch Kit R5

      $169.99
      Add to cart Details

    • Barnett High Performance Kevlar Clutch Kit RD350 RD250

      $169.99
      Add to cart Details

    • Barnett High Performance Kevlar Clutch Kit RD400

      $169.99
      Add to cart Details

    • Barnett Yamaha RD/350/250/R5 Clutch Spring Set

      $21.95
      Add to cart Details

    • Barnett Yamaha RD400 Clutch Spring Set

      $21.95
      Add to cart Details

    • Bolt Head Cap – Black M8 or M6 (sold each)

      $1.00
      Select options Details

    • Clutch Holding Tool by Motion Pro

      $32.50
      Add to cart Details

    • Clutch Push Rod – Yamaha RD250/350/400/R5/DS7

      $21.50 – $29.50
      Select options Details

    • Clutch Push Rod Ball – All RD’s, R5, DS6/7

      $1.50
      Add to cart Details

    • DG Expansion Chambers Exhaust RD350/400

      $439.50
      Select options Details

    • EBC Clutch Friction Disc Set for Yamaha Yamaha RD250/350/400, R5, DS6/7, RZ

      $71.95
      Add to cart Details

    • EBC Clutch Kit for Yamaha RD400 & RZ350

      $113.95
      Add to cart Details

    • ECON PERFORMANCE Heavy Duty Clutch Kit RD350/RD400/R5

      $169.99
      Select options Details

    • Exhaust Springs – Stainless, Sold in pairs.

      $14.95
      Select options Details

    • Fuel/Vent/Oil Line 1/8″id x 5′ – Clear or Black

      $10.95
      Select options Details

    • Injector Nozzle – RD250/350/400 (carb oil injector nozzle)

      $7.49
      Add to cart Details

    • JL (Jim Lomas) Expansion Chambers – Yamaha R5/RD350/RD400

      $579.95 – $959.95
      Select options Details

    • Labyrinth Seal RD250/350/400 R5/DS7

      $52.50
      Add to cart Details

    • Magnetic Oil Drain Plug for RD’s/RZ/R5/DS7

      $12.99
      Add to cart Details

    • Mocom Engine Oil Seal Kit for Yamaha R5/DS7

      $59.95
      Add to cart Details

    • Mocom Engine Oil Seal Kit for Yamaha RD400/350/250

      $57.95
      Add to cart Details

    • Moose Fiberglass Exhaust Packing

      $8.95
      Add to cart Details

    • Neutral Switch Wire Grommet

      $4.50
      Add to cart Details

    • Oil Drain Plug Gasket – RD250/350/400 R5/DS7, sold each, or 5 or 10 pack

      $1.95 – $9.95
      Select options Details

    • Oil Lines Grommet

      $7.50
      Add to cart Details

    • Oil Lines Grommet Blank for Premix Bikes – Yamaha RD350 RD400 RD250 R5 DS7

      $9.50
      Add to cart Details

    • Oil Pump Housing Main Gaket – Yamaha RD350 RD400 RD250 R5 DS6/7 RZ350

      $4.50
      Add to cart Details

    • Oil Pump Rebuild Kit RD250/350/400 R5/LC350/YDS6/7

      $39.99
      Add to cart Details

    • Oil Pump Shims – .03mm .05mm .10mm

      $2.50
      Select options Details

    • Oil Tank Damper – Yamaha RD350 RD400 RD250 R5 DS6/7

      $3.50
      Add to cart Details

    • Oil Tank Tube – Yamaha RD350 RD400 RD250 (all years) Part no. 360-21753-00

      $8.50
      Add to cart Details

    • PJ1 – HIGH-TEMP BLACK EXHAUST PAINT

      $16.95
      Add to cart Details

    • ProX Connecting Rod Kit – Yamaha RD250/350/R5/DS7 (all)

      $94.95
      Add to cart Details

    • ProX Connecting Rod Kit – Yamaha RD400 (all)

      $94.95
      Add to cart Details

    • ProX Piston Circlip (Sold in Pairs)

      $3.00
      Add to cart Details

    • ProX Piston Kits (Sold each) Yamaha RD/RZ/LC/YPVS (all years)

      $89.95
      Select options Details

    • ProX Piston Modification

      $12.50
      Add to cart Details

    • ProX Piston Rings (ea) Yamaha RD/RZ/LC/YPVS (all years)

      $37.95
      Select options Details

    • Racing Magnetic Oil Drain Plug for RD’s/RZ/R5/DS7 – Mulitple Colors

      $19.95
      Select options Details

    • RD 250/350/R5/DS6/DS7 Clutch Steel Plates Sold Each

      $9.25
      Add to cart Details

    • RD 350 Stock Yamaha Bolt Kit – OEM

      $27.50
      Add to cart Details

    • RD 400 Black Allen Engine Bolt Kit (76-79)

      $18.99
      Add to cart Details

    • RD 400 Clutch Steel Plates – Sold Each

      $10.95
      Add to cart Details
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    Contact Us

    Economy Cycle

    5815 Acton Circle, Suite 102
    Granbury, TX 76049
    Open: Monday-Friday 12:pm-5pm, Closed Saturday
    (October-February)
    Closed Sunday

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    • Yamaha RD250/350/400/R5/DS6/DS7 Parts
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