front fork assy upgrade

[mxmikie]

has anybody done this yet ? https://cognitomoto.com/collections/...17737416114291

[Schming]

No but just spent an hour perusing their site.

Their products look to be first class and have opened up some ideas on future builds.

Thanxs for the link

[mxmikie]

funny i just happen to have a gsxr750 lying around with nothing to do........we shall see

[Tobiczyk]

I have done the busa swap and i can say it is clearly the easiest there is. Simple bearing change and drops right in. Fantastic. No stem changes or anything.

[mxmikie]

I have done the busa swap and i can say it is clearly the easiest there is. Simple bearing change and drops right in. Fantastic. No stem changes or anything.

what year what bearings ?

[Tobiczyk]

99-07 are all the same. I used all parts from 07. all balls racing has a drop in kit for the busa.
https://www.allballsracing.com/forkconversion

https://www.allballsracing.com/99-3540-5.html
https://www.allballsracing.com/99-3519-5.html

there is your top and bottom bearing. remove the original races in the frame and drop these in. I did all of mine on an SG but it believe its practically the same for any year/model.

Now you will get a bit of drop since the hayabusa front end is significantly shorter but not bottoming out. just keep in mind that you might need to modify the kick stand to keep it from being too upright and center stand is probably going to be next to impossible to use.

[mxmikie]

99-07 are all the same. I used all parts from 07. all balls racing has a drop in kit for the busa.
https://www.allballsracing.com/forkconversion

https://www.allballsracing.com/99-3540-5.html
https://www.allballsracing.com/99-3519-5.html

there is your top and bottom bearing. remove the original races in the frame and drop these in. I did all of mine on an SG but it believe its practically the same for any year/model.

Now you will get a bit of drop since the hayabusa front end is significantly shorter but not bottoming out. just keep in mind that you might need to modify the kick stand to keep it from being too upright and center stand is probably going to be next to impossible to use.

how long are the hayabusa forks unloaded ?

[mxmikie]

i found it looks like 3 inches shorter https://ariesmotorcycles.com/sport-bike-fork-lengths/

[mxmikie]

99-07 are all the same. I used all parts from 07. all balls racing has a drop in kit for the busa.
https://www.allballsracing.com/forkconversion

https://www.allballsracing.com/99-3540-5.html
https://www.allballsracing.com/99-3519-5.html

there is your top and bottom bearing. remove the original races in the frame and drop these in. I did all of mine on an SG but it believe its practically the same for any year/model.

Now you will get a bit of drop since the hayabusa front end is significantly shorter but not bottoming out. just keep in mind that you might need to modify the kick stand to keep it from being too upright and center stand is probably going to be next to impossible to use.

do you have pictures of your bike before and after the front end swap ?

[Tobiczyk]

I'm still in the process of building. I bought a basket case trio and am extremely slowly combining them into a single bike. Unfortunately that means no completed pictures.

If you search for xschop he did the same swap years ago. There are posts of his bike

[alaskey2]

Why would you do this? What is the benefit?

[Tobiczyk]

I cant speak for anyone else but I had multiple reasons for it.

1. better suspension. Having a newer set of larger inverted forks compared to the original forks on the XS.
2. better brakes. We all know the brakes are ok but having much better brakes is never a bad thing.
3. easy swap. The hayabusa front end is a single bearing change swap. practically drops right in. There is no amount of money/time you can spend on the original front end to get the same ease of use, performance, tunability, etc than you can get from the swap. Just cant be beat.
4. looks. I wanted to drop the front end down a bit and this also handles that.

Overall there were no real reasons for me to keep the original forks on there since I was already dealing with a pile of parts to begin with. If I were dealing with a much nicer bike and wanted to keep it original then i might have spent the time and money on refurbishing and building everything stock. Since I wasn't, i decided to make it the bike i want it to be

[alaskey2]

Thanks for answering. The ease of upkeep sounds like a HUGE benefit.

[Bergman16]

Thanks for the info. I’d be very interested in hearing about how hard it is to deal with the stand(s) after. I’m that guy who worries probably too much about the thing tipping over all the time so use the center stand a lot.

[Radioguylogs]

I’m that guy who worries probably too much about the thing tipping over all the time so use the center stand a lot.

I'm with you. I'm not sure I even need a kickstand.