Brembo brake conversion - help
Thread Starter
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Cruiser
Joined: Jul 2008
Posts: 171
Likes: 5
From: Gifhorn, Germany
I put Brembo on my 2004, well worth the little bit of work involved and made a huge improvement in braking.
How much "Brembo" did you install? Whole system for the front should be new/2008 versions of: 1) master cylinder, 2) brake line, 3) calipers, and 4) rotors. You may need to shim the calipers to center them over the rotors. My 2004 didn't need shims, but my buddy's 2002 did.
The new master cylinder makes more pressure, and the new brake line is harder to contain the increased pressure and deliver it to the calipers. The calipers are 4 piston calipers, and the rotors are just a bit larger. Also, the Brembo gear runs DOT 4 brake fluid, not the DOT 5/silicone that came with your 2002 bike. You can't mix DOT 4 and DOT 5, or it makes a caustic goo that rots out the system from the inside. The whole system works together.
All that aside, I would 1) look for fluid leaking out at a connection. Is the fluid level in the reservoir dropping? 2) bleed the system out again to be sure ALL the air is out.
A buddy of mine also put Brembo on the front of his 2002 RK. When he took a close look, one of the Brembo calipers he got in eBay was missing the piston O rings - that'll screw up your day. And, it was a bugger finding new ones.
Good Luck!
JR
How much "Brembo" did you install? Whole system for the front should be new/2008 versions of: 1) master cylinder, 2) brake line, 3) calipers, and 4) rotors. You may need to shim the calipers to center them over the rotors. My 2004 didn't need shims, but my buddy's 2002 did.
The new master cylinder makes more pressure, and the new brake line is harder to contain the increased pressure and deliver it to the calipers. The calipers are 4 piston calipers, and the rotors are just a bit larger. Also, the Brembo gear runs DOT 4 brake fluid, not the DOT 5/silicone that came with your 2002 bike. You can't mix DOT 4 and DOT 5, or it makes a caustic goo that rots out the system from the inside. The whole system works together.
All that aside, I would 1) look for fluid leaking out at a connection. Is the fluid level in the reservoir dropping? 2) bleed the system out again to be sure ALL the air is out.
A buddy of mine also put Brembo on the front of his 2002 RK. When he took a close look, one of the Brembo calipers he got in eBay was missing the piston O rings - that'll screw up your day. And, it was a bugger finding new ones.
Good Luck!
JR
Thread Starter
|
Cruiser
Joined: Jul 2008
Posts: 171
Likes: 5
From: Gifhorn, Germany
Hey guys, you are great. I took the right rotor off, installed the non brembo rotor again and it looks like I have no spongy brake lever anymore. I will tomorrow test ride a little bit knowing Idon't have the right rotor right. 
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