Fork questions

Hello,

I was wondering if anyone knew anything about forks? for instance, what is travel. I knw the vfr has a travel of 4.3 inches but what does that mean. The forks are a 43mm HMAS. I was wondering if there is another bikes forks that will match ours. I see that the cbr 600 f4i has 43mm forks with a travel of 4.7 inches. will these change over. I was thinking about just picking up the forks triples and calipers off of the cbr 600. Would that work? the cbr600 rr has 45mm inverted forks. I was wondering if I got the triple and the forks and calipers if they would work as well. Im looking for any help or information about forks. I would get vfr ones if i could find a used pair, but the new ones cost close to 1200 dollars

 

Sounds like a question for Puma Cat no? I've looked into that swap with the F4i, thing is they are 12mm shorter, which would make things sorta twitchy, or now you're going to have to mess around with the rear shock height to get it all back. then you have to deal with the linked brakes. as I'm pretty sure your calibers won't be a bolt on item. travel really in My opinion isn't all that important as much as whats going on with the travel you have. lots of hop up for the stock forks, which isn't all the hard to do. I'm sure more here will chime in shortly.

 

Sticker, depends on which Gen VFR you have...the F4i forks are too short, as RVFR points out. Then, you have to figure out how to delink the linked brakes, which, as I understand it, is not trivial.

If you can find CBR F3 forks, you can make those work as far as I understand it.

 

It's a 2007. What about if I change the whole forks over with calipers trees. Like if I were to go with a set of cbr600rr forks which are 45mm and a 4.7 travel. How do you know the lenghts of the forks? Will the cbr f3 forks fit perfect or would they have to be futher modified?

 

Use the VTEC triples, & the F4i forks/brakes master cylinder. Use an F4i m/c for the rear brake. Convertibars or tall custom bars mounted under the triple tree will give you close to stock ergos and allow the tubes to sit as low as possible in the trees to keep your stock geometry. You'll have to work out the wheel spacers.

De-linking is not too hard, and saves you about 11 lbs of crap on the bike.

Do a search on VFRdiscussion.com, it's been covered many times there.

 

Ah ha, see I wasn't so far off and knew PC had something to say LOL ah yes you can use the f4i forks on the VFR and as mention, to be able to keep the stock fork height yes there's enough on the stock VFR upper tree to grab em just fine, then there's the trick in mounting thy clip ons, so maybe under the triple clamp would work, but thinking here that the faring will get in the way. as there will be no room on top of the forks for the clip-ons, unless.....It just so happens I'm working on that as I'm all over seeing if f4i forks and brakes are worth the trouble. just food for thought.

 

You can acheive stock geometry with the F4i forks, and mount the clip-ons on top of the triple, but the tube will only come halfway up the clip-on. Does that make sense?

This mod would work best for folks who spend more time riding sporty, as they would (probably) raise their tubes in the trees anyway.