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Author Topic: Identify These Front Forks? - Honda CB1  (Read 2046 times)
shuffle
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« on: January 02, 2019, 07:00:19 PM »

Hello, Can someone help me identify the forks that are installed on my CB1? I believe these are either F2 or F3 forks. Is there a way to tell if the fork tubes are the original CB1 tubes or if they are different? I would like to get the forks serviced, but I am not really sure what these are.


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1989 Honda CB-1 - Kerker Exhaust
pittmeister
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« Reply #1 on: January 03, 2019, 09:55:12 AM »

Hey Sam, the lowers are stock but the adjustability is not. There is some documentation in the Hawk forums where F3 cartridges were swapped into Hawk forks, which may be what you have here except into stock CB-1 forks.

It appears that F2 forks were still damper rods and would not have the compression adjustment that your forks have.
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ElusiveRR
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« Reply #2 on: March 28, 2019, 06:51:51 PM »

Id bet they are 1994 cbr600 F3 internals with cb-1 lowers

« Last Edit: March 28, 2019, 10:22:05 PM by ElusiveRR » Logged

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uglygit
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« Reply #3 on: April 05, 2020, 01:48:43 PM »

If you still have the machined line around the tube where it protrudes from the upper yoke then they are likely standard stanchions, if they are smooth in that area they are likely off something else.

Either way it shouldn't matter all the seals and bushes should be same for pretty much all the 41mm honda forks.

I've got cb-1, NTV650, cb400sf and cbr600f3 forks in bits in the shed they all take the same service parts.

Cb-1 forks are 613mm long, cbr600 forks are 633mm long

really speaking if you fit cbr 600 internals into cb-1 stanchions you will need to shorten the preload spacer and damper rod/needle by 20mm.

Normally the forks bottoms out on the stanchion, but if the damper is longer than the fork travel it will bottom out on the damper valves instead risking damage.
« Last Edit: April 10, 2020, 11:37:59 AM by uglygit » Logged

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« Reply #4 on: April 06, 2020, 10:15:11 AM »

edited: made a new thread instead.
« Last Edit: April 10, 2020, 11:53:46 AM by uglygit » Logged

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