R1/R6 Brake caliper and master cyl upgrade - Triumph Forum: Triumph Rat Motorcycle Forums
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post #1 of 3 (permalink) Old 11-30-2012, 12:04 PM Thread Starter
Grand Prix 125
Main Motorcycle: 2005 Speed Triple
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R1/R6 Brake caliper and master cyl upgrade

So I am just about ready to install the calipers and master cylinder from an 06 R1.
I bought them as a full front brake set, from the lever to the calipers, off of Ebay. When they showed up, it looked like they had never been cleaned and had been left outside for quite a while so I decided to do all the caliper seals and a master cylinder rebuild kit.

For all of you guys who are running this upgrade, you may want to consider doing the master cylinder. The cup seal was fairly worn on mine and the piston movement back and forth had a metal on metal feel before the rebuild.

I bought a set of spacers from Zoran V and I am going to pull out the original locator dowels from the R1 Calipers. Zoran's spacers fit inside the hole in the caliper once the locators are pulled and they will give me 3mm between the caliper and the fork.

I have one question for anyone who has done this mod, and yes I have tried to search it!

Caliper bolts. The oem caliper bolts from an R1 are 5mm longer than the stock triumph ones. With a 3mm spacer between the caliper and the fork, will oem r1 caliper bolts work or are they too long?
I am going to buy stainless pad pins as the oem ones are a little rough and rusty so I may just add some caliper bolts to the order, but I don't want to get the wrong size.

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post #2 of 3 (permalink) Old 12-02-2012, 02:12 PM
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Just try em and you'll find out......then post it.

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post #3 of 3 (permalink) Old 12-03-2012, 11:51 AM Thread Starter
Grand Prix 125
Main Motorcycle: 2005 Speed Triple
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Join Date: Jul 2009
Location: Hong Kong
Posts: 26
I haven't got the R1 caliper bolts and I don't want to buy a set just to try. I have seen a few pictures on here of guys who have done the swap and it looks like the bolts they used are from the R1, but I would like to be sure before I order a set.
Once I get this all done I am going to post full details of all the parts used. If I can't get an answer I will pull the calipers tighten in the stock bolts and measure the depth of the tapped hole in the forks that way. Just want to find some info before I start ordering parts.

Can anyone confirm R1 stock bolts work with the R1 calipers on the stock S3 forks with a 3mm spacer ?
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