Fork stem bolt - Ex-500.com - The home of the Kawasaki EX500 / Ninja 500R
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post #1 of 5 (permalink) Old 12-6-2019, 8:27 PM Thread Starter
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Fork stem bolt

I was about to put a fork stem mount on my bike when I removed the cap to my suprise I don’t see a typical fork stem gap like on every other bike I’m faced with a bolt, anyone one know what happens if I take that bolt off? Lol or is there a better mount to use.
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post #2 of 5 (permalink) Old 12-7-2019, 4:26 AM
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Do you mean a pinch bolt on the upper triple which clamps to the stem of the lower triple? Trying to picture this...

I finally figured out why I like Ducatis: With their exhaust note and dry clutch, they sound almost like a Guzzi!
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post #3 of 5 (permalink) Unread Yesterday, 5:27 AM
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What about changing the seals, anyone know how to do that, and to replace the oil obviously. do you need any special tools for the job ?
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post #4 of 5 (permalink) Unread Yesterday, 2:59 PM
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It helps to mention exactly what EX500 it is, in case there's any differences from one year to the next.
From the diagrams at Partzilla, the Ninja 500 forks I've seen are basically the same as my 81 KZ650-CSR.

The bottom allen bolts can be difficult to remove & may require a special tool that you drop down inside the forks to keep the inner cylinder from spinning. A homemade tool may work. On my old 650 the head of the inner cylinder looks just like a 12-pt 19mm socket, so I use a bolt w nuts that fit into it. In some cases the spring pressure on the inner cylinder will keep them from spinning. Alternatively, some guys are able to remove the bottom allen bolts using an air gun.

The 2005 has circlips at the top that hold the fork cap seat springs in place & each seat spring has an o-ring, and that stuff can get grungy, so they can require cleaning n stuff to get them out, especially on an older Ninja. Both can go flying, so beware & wear eye protection.

To pull the seals I use an off-the-shelf seal puller from the auto parts store & work at the end of a work table & use milk jug plastic to protect the fork tubes from gouging. Fork seals have a metal ring encased within the rubber, so when you pull them, you have to hook the metal ring. To drive the seals I use 1-1/2" pvc pipe & fittings.

1981 KZ650-CSR Competition, Sports, & Road
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post #5 of 5 (permalink) Unread Today, 1:29 AM
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