fork spring change
Hello
I have a question It is for my Honda CBR1000F year 1993 I am going to change my front fork springs with hyperpro progressive springs SP-HO10-SSA012. I bought them and got a manual for the installation. The manual says that I can not use the 55mm standard preload bush. I do not understand which bushing they are talking about. Has anyone already done this or does anyone know which bushing is involved? |
https://cimg6.ibsrv.net/gimg/cbrforu...f2d61800d9.png
It's #4, the spacer. Your new springs must be longer than the factory ones. When you take the top retaining cap off, #18, be careful, its under slight pressure. Keep downward force on the nut while pulling up on the tube when removing the nut or things will fly around your shop when it is suddenly free. |
Originally Posted by TimBucTwo
(Post 1317313)
https://cimg6.ibsrv.net/gimg/cbrforu...f2d61800d9.png
It's #4, the spacer. Your new springs must be longer than the factory ones. When you take the top retaining cap off, #18, be careful, its under slight pressure. Keep downward force on the nut while pulling up on the tube when removing the nut or things will fly around your shop when it is suddenly free. |
When installing progressive springs, they recommend the tighter coils to be up top.
However, I doubt it makes a difference. The spring rate would stay the same in either direction. I have wondered why they would want the tighter coils up top. The tighter the coils the more mass, the more mass, the higher of center of gravity. I doubt anyone would be able to tell the difference in center of gravity if they were flipped but sometimes people argue about the most stupid things. |
Originally Posted by TimBucTwo
(Post 1317348)
When installing progressive springs, they recommend the tighter coils to be up top.
However, I doubt it makes a difference. The spring rate would stay the same in either direction. I have wondered why they would want the tighter coils up top. The tighter the coils the more mass, the more mass, the higher of center of gravity. I doubt anyone would be able to tell the difference in center of gravity if they were flipped but sometimes people argue about the most stupid things. Was a litle bit of work for my first time but all went wel also changed my frontwheel bearings. |
Now i put hyperpro sring in the front fork with the tight coils down i took the upper springcollar out as suggested by hyperpro .
so all thats left in the forks is the compleet fork damper which is connected to the forktube cap and bolted with the bolt on the underside of the fork i put the oil in and the spring and screwd the forktube cap on . I have no leaks anymore because i also changed the seals . I hoop this is the right way anybody nows its mounted right like this ? |
Originally Posted by the fly
(Post 1317412)
Now i put hyperpro sring in the front fork with the tight coils down i took the upper springcollar out as suggested by hyperpro .
so all thats left in the forks is the compleet fork damper which is connected to the forktube cap and bolted with the bolt on the underside of the fork i put the oil in and the spring and screwd the forktube cap on . I have no leaks anymore because i also changed the seals . I hoop this is the right way anybody nows its mounted right like this ? |
When you installed the fork tube cap was it resting against the spring, and pushing against you as you tightened it? If so, it's probably okay but I'd go for a nice easy test ride to make sure it feels right
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Originally Posted by tentacleslap
(Post 1317763)
When you installed the fork tube cap was it resting against the spring, and pushing against you as you tightened it? If so, it's probably okay but I'd go for a nice easy test ride to make sure it feels right
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