Steering head bearing replacement: Difference between revisions

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'''<<<Even after looking at the S Manual and all the diagrams, I can't tell if this is the upper or lower triple he's talking about. It doesn't look like there should be a race in the upper triple, but I can't tell how you would remove the race from the lower.>>>'''

[[image:IMG_5701-2.jpg|200px]]

Extended diagram from S Manual:

[[image:steering head service manual.jpg|200px]]

Installing the larger (#99-3503) bearing onto the triple tree can be fairly difficult. If you have a hydraulic press and some PVC tubing, use that. If not, use a hammer and something hard to hold the clamps against. Place the bottom of the triple clamps so they are completely flat. Any angle in them and you'll bend them flat - which means you will need a new triple tree.

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First, slide the larger seal (#33-1006) down, with the metal side facing downwards. Now slide the bearing down the tube, with the smaller outside diameter on the up side, and give it a solid push down with your hands so it doesn't move around in the next steps. Take a suitably close diameter piece of PVC tubing and the old bottom race flipped upside down to give the tubing more lip to bite onto. Be careful when you apply pressure. Do so slowly, and be ready for loud "pop" sounds as it goes on. Release the pressure once or twice to visually inspect for crookedness and make sure it's seating properly.

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+'''<<<Even after looking at the S Manual and all the diagrams, I can't tell if this is the upper or lower triple he's talking about. It doesn't look like there should be a race in the upper triple, but I can't tell how you would remove the race from the lower.>>>'''
+[[image:IMG_5701-2.jpg|200px]]
+Extended diagram from S Manual:
+[[image:steering head service manual.jpg|200px]]
 Installing the larger (#99-3503) bearing onto the triple tree can be fairly difficult. If you have a hydraulic press and some PVC tubing, use that. If not, use a hammer and something hard to hold the clamps against. Place the bottom of the triple clamps so they are completely flat. Any angle in them and you'll bend them flat - which means you will need a new triple tree.
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 First, slide the larger seal (#33-1006) down, with the metal side facing downwards. Now slide the bearing down the tube, with the smaller outside diameter on the up side, and give it a solid push down with your hands so it doesn't move around in the next steps. Take a suitably close diameter piece of PVC tubing and the old bottom race flipped upside down to give the tubing more lip to bite onto. Be careful when you apply pressure. Do so slowly, and be ready for loud "pop" sounds as it goes on. Release the pressure once or twice to visually inspect for crookedness and make sure it's seating properly.