My son bought an older SV1000 with the front end upgraded to a GSXR USD fork. Because beater track rat, it needs fork seals. Any hints as to ID the model? 38mm tubes, top at the triple tree is 50mm dia, 4 piston calipers. We cant see a model number anywhere visible.
Sorry I don't have a definitive answer, but I know for some years the chassis was shared between 600 and 750 for sure, and possibly also the 1000, so year might be more important than exact model.
When I'm in your shoes I sometimes hop on eBay, search "2004 GSXR fork" open the top ten results in tabs, examine the photos for multiple perfect matches, then move on to 2005, 2006, 2007, etc.
Oh yeah; presumably the front fender is also from the same donor, so some Google image searches and/or eBay searches for a GSXR fender style match might be another thread to pull on.
The radial caliper means it is probably 2004ish-onward.
Use a thin bladed screwdriver and prise the dust seals out of the fork legs then measure fork od and slider id. That should give you a start on sizing. I've had good results from All Balls Racing for my bikes https://www.allballsracing.com/index.php. I didn't try a cross reference on Suzuki 'cos I wouldn't know where to start, but they have a couple of options at 38 x 50 in a generic lookup.
cheers
Richard
Wow as always the GRM oracle of obscure knowledge delivers! Thanks for the quick input!
Looks like 04-05 600/750 is the answer, same combination of gunmetal caliper brackets with gold 4 pot calipers. 03 looks different and the 06+ are finished differently.
05 750:
Now for the adventure of changing the seals, never done an USD fork before. He also wants to get taller riser clip-ons, so we can do both at once
Looks like 2004-05 750 forks. Radial caliper. The thing that mather is the fork slider diameter. 41 or 43mm. They pretry much are all 43 in those years and probably uses all the same seal.
Look on youtube for how to change them not that hard but will need some tools boughtnor made. I do them but im in quebec.. ;)
Thank you for the chart!
Timely as I just pulled the forks off the bike yesterday. I ended up getting a compressor tool and oil level syringe.
So today this happened:
It wasn't a bad job. I had to heat up the tubes and use a little slide hammer to get the old seals out.
Current status:
I had blasted and wrinkle painted the top triple as it looked pretty ragged, also put on his new levers and got him a blingtabulous new center nut. I like having a nice cockpit so it doesnt feel as much like riding a rat bike while from the rider's view.
Still needs new tires to be mounted, hopefully he'll take care of that tomorrow.
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