How to Replace the Starter on a Yamaha Jet Ski

Written by mark o'brien
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Using your Yamaha jet ski on a lake or ocean can provide recreation and entertainment. Over time, with wear and tear, the engine's starter may wear out and when you turn the ignition key, nothing will happen, the starter will spin, or the starter will just click. Having a mechanic replace the starter on your Yamaha jet ski can be expensive. But with a few tools and the proper model number of the starter you need, you can replace the starter yourself.

Skill level:
Moderately Challenging

Things you need

  • Sockets and ratchet
  • Yamaha jet ski starter

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  1. 1

    Squeeze the handle on the side of the Yamaha jet ski seat and pull the seat off.

  2. 2

    Unscrew the clamp holding the red battery cable on the positive battery post using a properly-sized socket.

  3. 3

    Open the bonnet on the jet ski. Locate the popcan-sized starter mounted on the side of the engine block, next to the flywheel. The red battery cable will be on the side of the starter.

  4. 4

    Unscrew the nut holding the red battery cable in place with the proper-sized socket.

  5. 5

    Squeeze the electrical wire tab inserting into the base of the starter with your fingers and pull off the wire.

  6. 6

    Unscrew the four bolts holding the starter onto the side of the engine block.

  7. 7

    Pull down on the starter to remove it from the flywheel gear.

  8. 8

    Push the new starter into the place where the old one was and tighten its mounting bolts back in.

  9. 9

    Push the electrical wire into the base of the new starter.

  10. 10

    Tighten the red battery cable back onto the side of the new starter. Shut the bonnet.

  11. 11

    Tighten the red battery cable back onto the positive post of the battery.

  12. 12

    Replace the jet ski seat.

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