Brake help - Yamaha FZ6 Forums - International FZ6 Motorcycle Community Forum

vokal389 · 08-25-2008, 10:24 PM

So today me and my friend changed the brake pads to the FZ. we put the aftermarket EBC pads on. So we changed the pads and flushed the fluid one at a time. filled the bike with fluid, tested the brakes till we got a stream coming out of the hose and filled it with brake fluid (dot 4). got on the bike test riding for about 50 miles, but notice that when i brake hard it tends to keep sliding. I like to do stoppie on occasions and when it feels like the pads are slipping. Any thoughts and feedback would be nice!

rvbiker · 08-25-2008, 10:52 PM

What kind of brake pads did you install? Are you sure you got all the air out of the lines??

vokal389 · 08-25-2008, 11:00 PM

im pretty sure, we got the fluid coming out in a stream after we flushed it and checked the lines.

rvbiker · 08-25-2008, 11:03 PM

What does the brake lever feel like when you apply the brakes. Do they feel spongy? Are they pulsating? Front or rear? Do both brakes act the same way? I did some research and found that those brakes are sintered.

vokal389 · 08-25-2008, 11:13 PM

sintered? whats that. It feels more spongy than anything. its on the front brakes that we replaces, and when i apply pressure, there is a resistance, just not as much as it was giving me befre, i had changed the pads.

rvbiker · 08-25-2008, 11:23 PM

You need to rebleed the front brakes both sides. There is a procedure for doing it and It can be found if you search this section.

Sintered pad have metal flakes in the pad material. Here's a link.

EBC Brakes - Home of the worlds largest range of brake products - Extreme Pro Brakes

**mstewar1** · 08-26-2008, 07:45 AM

From what you're describing it does sound as if you've still got air in the system. Definitely use the search for the brake bleed procedure. There's also a recent large thread about brakes:
http://www.fz6-forum.com/forum/fz6-t...ake-fluid.html (possibly fatal technical issue (brake fluid))

In there at least one member gives decent instructions for a bleed procedure.

One question that don't recall seeing, you didn't get any fluid on your rotors did you? If so, you'll have to get new pads. (again)

If the rotors didn't get fluid on them, you'd also do well to find an empty road and really "bed" the pads in well. This involves accelerating and then braking hard -- maybe not stoppy hard, but hard. Lather, rinse, repeat. Ride around to let the brakes cool. Do it again. You should see an improvement after a cycle or two of this type of procedure. I know that there will be folks here who have a much more precise way of "bedding in" pads.

rvbiker · 08-26-2008, 10:14 AM

Here is another link to brakes and brake bleeding.

Disc Brake Tech

shreveport1 · 01-02-2009, 08:17 PM

Quote:

Originally Posted by vokal389

So today me and my friend changed the brake pads to the FZ. we put the aftermarket EBC pads on. So we changed the pads and flushed the fluid one at a time. filled the bike with fluid, tested the brakes till we got a stream coming out of the hose and filled it with brake fluid (dot 4). got on the bike test riding for about 50 miles, but notice that when i brake hard it tends to keep sliding. I like to do stoppie on occasions and when it feels like the pads are slipping. Any thoughts and feedback would be nice!

it takes a while to burnish the pads to the rotor.you can do this by lightly applying the brake while you are riding for short intervals causing the rotors to heat up,(when you come to a complete stop be sure to release the front brake while its hot) because the pressure from the pads can warp the rotor when its at high temperature.

SovietRobot · 01-02-2009, 10:18 PM

Quote:

Originally Posted by shreveport1

it takes a while to burnish the pads to the rotor.you can do this by lightly applying the brake while you are riding for short intervals causing the rotors to heat up,(when you come to a complete stop be sure to release the front brake while its hot) because the pressure from the pads can warp the rotor when its at high temperature.

The rotors would have to be cherry red for heat to warp them. Most rotor warping is because of uneven wear, not heat.

08-25-2008, 10:24 PM	#1 (permalink)
vokal389 Junior Member Join Date: Nov 2007 Location: California Bike: 2007 FZ6 Posts: 43 Rep Power: 5 Member #902	Brake help So today me and my friend changed the brake pads to the FZ. we put the aftermarket EBC pads on. So we changed the pads and flushed the fluid one at a time. filled the bike with fluid, tested the brakes till we got a stream coming out of the hose and filled it with brake fluid (dot 4). got on the bike test riding for about 50 miles, but notice that when i brake hard it tends to keep sliding. I like to do stoppie on occasions and when it feels like the pads are slipping. Any thoughts and feedback would be nice! __________________ Mods:: YAMAHA and So Cal Decals, Blue Reflective Rim Stripes, Black ASV Shorty Levers, Cut windscreen, Stainless Steel Scorpions, Pilot Power Tires, K&N Oil and Air filters, ConvertiBar Handlebars, Intuitive Frame Sliders, 1" Front End Drop, Gilles Rearsets, Front Turn Signals Removed, Custom Fender Eliminator, Custom rear turnsignals, DID 520 Conversion, -2/+6 JT sprockets

08-25-2008, 10:52 PM	#2 (permalink)
rvbiker Junior Member Join Date: Nov 2007 Location: south dakota Bike: 2005 yamaha FZ6 Posts: 192 Rep Power: 6 Member #860	Re: Brake help What kind of brake pads did you install? Are you sure you got all the air out of the lines?? Last edited by rvbiker; 08-25-2008 at 10:54 PM.. Reason: add comment

08-25-2008, 11:00 PM	#3 (permalink)
vokal389 Junior Member Join Date: Nov 2007 Location: California Bike: 2007 FZ6 Posts: 43 Rep Power: 5 Member #902	Re: Brake help im pretty sure, we got the fluid coming out in a stream after we flushed it and checked the lines. __________________ Mods:: YAMAHA and So Cal Decals, Blue Reflective Rim Stripes, Black ASV Shorty Levers, Cut windscreen, Stainless Steel Scorpions, Pilot Power Tires, K&N Oil and Air filters, ConvertiBar Handlebars, Intuitive Frame Sliders, 1" Front End Drop, Gilles Rearsets, Front Turn Signals Removed, Custom Fender Eliminator, Custom rear turnsignals, DID 520 Conversion, -2/+6 JT sprockets

08-25-2008, 11:03 PM	#4 (permalink)
rvbiker Junior Member Join Date: Nov 2007 Location: south dakota Bike: 2005 yamaha FZ6 Posts: 192 Rep Power: 6 Member #860	Re: Brake help What does the brake lever feel like when you apply the brakes. Do they feel spongy? Are they pulsating? Front or rear? Do both brakes act the same way? I did some research and found that those brakes are sintered.

08-25-2008, 11:13 PM	#5 (permalink)
vokal389 Junior Member Join Date: Nov 2007 Location: California Bike: 2007 FZ6 Posts: 43 Rep Power: 5 Member #902	Re: Brake help sintered? whats that. It feels more spongy than anything. its on the front brakes that we replaces, and when i apply pressure, there is a resistance, just not as much as it was giving me befre, i had changed the pads. __________________ Mods:: YAMAHA and So Cal Decals, Blue Reflective Rim Stripes, Black ASV Shorty Levers, Cut windscreen, Stainless Steel Scorpions, Pilot Power Tires, K&N Oil and Air filters, ConvertiBar Handlebars, Intuitive Frame Sliders, 1" Front End Drop, Gilles Rearsets, Front Turn Signals Removed, Custom Fender Eliminator, Custom rear turnsignals, DID 520 Conversion, -2/+6 JT sprockets

08-25-2008, 11:23 PM	#6 (permalink)
rvbiker Junior Member Join Date: Nov 2007 Location: south dakota Bike: 2005 yamaha FZ6 Posts: 192 Rep Power: 6 Member #860	Re: Brake help You need to rebleed the front brakes both sides. There is a procedure for doing it and It can be found if you search this section. Sintered pad have metal flakes in the pad material. Here's a link. EBC Brakes - Home of the worlds largest range of brake products - Extreme Pro Brakes

08-26-2008, 07:45 AM	#7 (permalink)
mstewar1 made you look... Join Date: Aug 2008 Location: berkeley Bike: 06 fz6 Posts: 285 Rep Power: 5 Member #4302	Re: Brake help From what you're describing it does sound as if you've still got air in the system. Definitely use the search for the brake bleed procedure. There's also a recent large thread about brakes: http://www.fz6-forum.com/forum/fz6-t...ake-fluid.html (possibly fatal technical issue (brake fluid)) In there at least one member gives decent instructions for a bleed procedure. One question that don't recall seeing, you didn't get any fluid on your rotors did you? If so, you'll have to get new pads. (again) If the rotors didn't get fluid on them, you'd also do well to find an empty road and really "bed" the pads in well. This involves accelerating and then braking hard -- maybe not stoppy hard, but hard. Lather, rinse, repeat. Ride around to let the brakes cool. Do it again. You should see an improvement after a cycle or two of this type of procedure. I know that there will be folks here who have a much more precise way of "bedding in" pads.

08-26-2008, 10:14 AM	#8 (permalink)
rvbiker Junior Member Join Date: Nov 2007 Location: south dakota Bike: 2005 yamaha FZ6 Posts: 192 Rep Power: 6 Member #860	Re: Brake help Here is another link to brakes and brake bleeding. Disc Brake Tech

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