How to Replace a Dirt Bike Clutch


Replacing the clutch of a dirt bike might seem to be a technically arduous process, but it is a relatively painless and quick procedure. The clutch system in a dirt bike is similar to that of a car. It allows the bike to be stationary, while continuing to keep the engine running. Through wear and tear, however, the clutch plates that allow you to change gears will eventually need to be replaced.

Things You'll Need

  • Socket wrench
  • Oil pan
  • 1 to 2 gallons of oil
  • Soak the fibers and steel plates from the new clutch kit in the same brand and weight of oil normally used in your bike. Fill your bucket with enough oil to submerge each individual plate. and allow them to soak for 24 hours. After soaking, remove them and place them on a rag.

  • Drain the oil from the bike before replacing your clutch. Every bike is slightly different, but the procedure is the same. Run the engine for five minutes to cycle the oil through your bike. Place a mid sized bucket under the bolt for the drain-pan. Most bikes use a 12 to 14 mm nut, but the bike's owner's manual. Remove the nut and drain the oil.

  • Remove the protector plate from your bike. Each bike is slightly different, but the protective plate is usually on the right hand side of the bike and will have the brand logo on it. Each cover will have six to eight bolts securing it.

  • Remove the pressure plate located underneath the protector plate, using a socket wrench. The pressure plate is attached by a series of bolts. Most bikes use 10 mm bolts, but you will occasionally find a bike with an 8 mm bolt. Remove the bolts in a criss-cross pattern, always consecutively removing each one parallel from the one before it. As you remove each screw, you will notice they are covered with tension springs. Remove the springs from each bolt and discard the springs.

  • Identify the center hub underneath the pressure plate. You will notice rings surrounding the center hub. These bands consist of alternating rings called fibres and steel plates. Remove the fibers and steel plates. In some bikes they will come out as a single unit. However, most require you to individually remove each one. Discard the rings.

  • Place the new springs from a clutch kit onto the bolts that you removed from the pressure plate. Replace the pressure plate, making sure to insert the bolts in the same criss-cross pattern in which they were removed. Replace the protector cover with the manually removed screws. Re-attach the drain pipe screw and refill the bike's motor oil.

Tips & Warnings

  • Keep a small dish on hand to store the nuts and bolts.
  • Do not forget to soak the plates in the correct brand and weight of oil. Failure to do so can result in causing them to burn out.
  • Never try to force something into place. Doing so can damage the plates. A gentle yet precise hand is the key.

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  • Photo Credit motorbike racers image by Clarence Alford from
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