bandit front end swap issue. need your advise.please

[Mario]

the calipers have this small edge of the material where the bolts mount. from my measurements, if I machine/grind this tab down, the 4 piston nissin's will fit. Should I machine, or grind these tabs. Proper machine shop not in my area that would bother with a small job like this.

[Mario]

The 6 pistons will also fit, but my bad horrible god forsaken years spent with the 6 pot Tokicos on my TL may be leary of using them. They look good, but can take half a gallon a brake fluid to bleed properly.

[Big Rich]

I wouldn't modify the calipers to fit. I think it would be best to figure out why they aren't fitting and solve that. Mario, what triple tree do you have? I know the early GSF12 lower tree has the pinch bolts on the side, while the later 1200's and the 1250's pinch bolts are inserted from the front.

[John Kat]

When you mixed bandit stantions with GSXR triple what wheel brake combination did you have to use?

At first I used a full GSXR 1100 front end ( wheel, disks, stantions and triples).
Later on, I changed the stantions for Bandit 1200 first generation.
It's important to use GSXR disks with GSXR wheels.

[Mario]

I wouldn't modify the calipers to fit. I think it would be best to figure out why they aren't fitting and solve that. Mario, what triple tree do you have? I know the early GSF12 lower tree has the pinch bolts on the side, while the later 1200's and the 1250's pinch bolts are inserted from the front.

I have the pinch bolts on the side.

[Big Rich]

I think that's your problem. I had an RF900 triple tree at first and ran into the same caliper issues. I looked on eBay and the cheapest triple tree was for an 08 Bandit 1250. I looked on a parts diagram and saw that the 01-05 GSF12 use the same lower triple as the newer 1250.

[Mario]

I think that's your problem. I had an RF900 triple tree at first and ran into the same caliper issues. I looked on eBay and the cheapest triple tree was for an 08 Bandit 1250. I looked on a parts diagram and saw that the 01-05 GSF12 use the same lower triple as the newer 1250.

So whats my problem? I have calipers for early and late. I forgot to mention, the speedo drive tab is on the right, not the left. I bought a speedo drive for a bandit, and it mounts to left fork. Do i have an rf fork set?

[Big Rich]

I believe the fork spacing is your problem (it's throwing the calipers out of their intended spacing). All I can speak for is what I have, which is working for me during mockup....something changed with the early / later GSF12. Since I don't have early Bandit forks, I can only assume that the caliper mounts or the area around the wheel spacing is different with the later Bandit forks.

I had RF900 triple trees (which have the same fork spacing) and second generation Bandit forks as you, and I had problems lining up the 6 pot calipers. With the later B12 triple trees, everything lined up really well. If your 6 pot calipers were moved away from the center of the hub by 3-4mm each side, would they line up with the rotors? If so, you might try the later GSF12 or GSF1250 triple tree. I plan on using a digital speedometer, so I never checked the thickness (and therefore width) of the mechanical speedo drive of the early Bandit 1200.

All I can say is that's what worked for me, especially since I don't have the 4 pot calipers to measure.

[Mario]

front end sorted, went with the 6 pots, milled a minimal amount from the mounting tabs. spacers made up. fit is perfect. wheel centered. going with a koso digital dash setup. work on rear has progressed. need to fab up a spacer and that should be good. thanks for the tips guys.