F2 fork tube modification-lower internal gubbins
#1
07-07-2011, 06:44 PM
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F2 fork tube modification-lower internal gubbins
Hello fellow CBR enthusiasts,
I saw a reference on the F3 fork internals final word sticky thread, but need more info. on how to get that extra internal bit in the lower end of the fork tube out.
Do those tabs need to be bent? It doesn't seem to be threaded or have a snap ring or anything.
If anyone knows the answer or could point me in the right direction, I would certainly appreciate it.
Thanks in advance
Cheers
I saw a reference on the F3 fork internals final word sticky thread, but need more info. on how to get that extra internal bit in the lower end of the fork tube out.
Do those tabs need to be bent? It doesn't seem to be threaded or have a snap ring or anything.
If anyone knows the answer or could point me in the right direction, I would certainly appreciate it.
Thanks in advance
Cheers
#2
07-09-2011, 03:16 AM
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Well, I'm not finished yet but I think I've figured it out. Thanks to our local suspension guru Barry of KFG Racing I found out that there is no trick, you just need to bust out the grinder.
He suggested grinding off the outside lip at the very bottom so that internal bit can come out. The only problem with this is that you will now have no shelf for the top-out spring to ride against.
Once I realized that there was no better way to go about it I tore into it. The only thing too big in there is the plastic donut and the four fingers above it. I tore out the plastic donut and it's ring, then ground the four fingers back enough to allow enough clearance for the F3 cartridge.
I'll finish grinding the other tube today and then reassemble, but I don't see any reason why my mod won't work. I'll post up a final after I get them together and go for a spin.
The F2 tubes did have an extra set of holes at the bottom, but since I don't really understand what they do I will cross my fingers and hope for the best.
He suggested grinding off the outside lip at the very bottom so that internal bit can come out. The only problem with this is that you will now have no shelf for the top-out spring to ride against.
Once I realized that there was no better way to go about it I tore into it. The only thing too big in there is the plastic donut and the four fingers above it. I tore out the plastic donut and it's ring, then ground the four fingers back enough to allow enough clearance for the F3 cartridge.
I'll finish grinding the other tube today and then reassemble, but I don't see any reason why my mod won't work. I'll post up a final after I get them together and go for a spin.
The F2 tubes did have an extra set of holes at the bottom, but since I don't really understand what they do I will cross my fingers and hope for the best.
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07-12-2011, 02:49 AM
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#5
07-12-2011, 03:42 PM
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#6
07-12-2011, 03:47 PM
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Huh? Tell me more about what you're up to. You must be using the 2nd gen F2 tubes. I haven't seen them, but since the internals are different it would make sense that newer ones might have a bigger bottom end.
I'd like to see some pics of your tubes. How many through-to-the-outside holes did they have?
I'd like to see some pics of your tubes. How many through-to-the-outside holes did they have?
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