How to Change the Fork Seals in a 1998 YZ125
A 1998 Yamaha YZ125 is a powerful 124 cc two-stroke dirt bike that's part of the racing line Yamaha offers. This bike has two fork seals installed on the the front fork. One seal is on each fork leg, and these seals keep the fork oil inside the fork. The fork seals are in clear view in the center of each fork leg and look like small rubber rings. A long piece of plastic is connected to the seal and goes down the inside of the fork legs. You must have the correct tools to replace these fork seals.
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Instructions
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Place the jack under the engine block, ensuring that the lifting bars are lined up with the frame and engine. Lift the YZ125 off the ground with the jack.
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2
Use a fork wrench to remove the nuts from the top of the handlebars that secure the handlebars to the frame. Pull the fork from the clamps and rest it on the frame of the YZ125.
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3
Pry the seals from the fork legs one at a time using a flathead screwdriver. Place the blade of the screwdriver under the edge of the seal and push down on the screwdriver. Move the screwdriver around the edge of the seal as you push down on the screwdriver.
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4
Pry away the opposite fork seal the same way as you did the first. Slide the old fork seals up and off the fork legs. Place new fork seals onto the fork legs and slide them down into position. Make sure that the plastic part goes down into the fork legs.
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5
Reconnect the fork to the clamps and tighten the clamps as tight as you can using a fork wrench. Press down on the seals to lock them into place.
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References
- Photo Credit dirt bike airborne image by MAXFX from Fotolia.com
