gl1500 brakes


Information and questions on GL1500 Goldwings (1988-2000)
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chouston99
Posts: 24
Joined: Tue Jan 18, 2011 9:56 am
Location: Amarillo,Tx
Motorcycle: 1994 GL1500 se

gl1500 brakes

Postby chouston99 » Sun Feb 02, 2014 10:43 am



Can you turn the rotors on a motorcycle? I have a 94 gl1500se (I think no previous brake work done) with approx 140,000 on it and started experiencing soft rear brake pedal so I started checking everything (reservoir's full). I looked at the pads and rotor on rear and decided to replace pads but upon looking at the rotor it has a lip on it and I was wondering if it could be "turned" like you do for autos. Also should both front and rear pads be done at the same time? Thanks in advance.


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seelyark1
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Joined: Sun May 27, 2012 1:57 pm
Location: Dunnellon, Florida
Motorcycle: 2000 GL1500 SE
1998 GL1500 SE Totaled
1984 VT500C
1967 CB550-4

Re: gl1500 brakes

Postby seelyark1 » Sun Feb 02, 2014 12:25 pm

I wouldn't recommend turning the rotors. Stop and think that the front and rear brakes are linked together. If I remember correctly the right front is the linked one. If the rears are worn out then the front is probably in the same condition. Fronts are really simple to do, and the parts are cheap. Ride safe!
Ride safe, and smart. Asphalt is like #1 grit sandpaper. Dave

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WingAdmin
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Joined: Fri Oct 03, 2008 4:16 pm
Location: Strongsville, OH
Motorcycle: 2000 GL1500 SE
1982 GL1100A Aspencade (sold)
1989 PC800 (wife's!)
1998 XV250 Virago (sold)
2007 Aspen Sentry Trailer

Re: gl1500 brakes

Postby WingAdmin » Sun Feb 02, 2014 3:28 pm

Motorcycle rotors are much harder steel than automotive rotors, and can't really be turned the same way, or on an automotive lathe. There is one outfit who does it, but really if your rotors are worn enough that you're considering turning them, I would recommend just replacing them.

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chouston99
Posts: 24
Joined: Tue Jan 18, 2011 9:56 am
Location: Amarillo,Tx
Motorcycle: 1994 GL1500 se

Re: gl1500 brakes

Postby chouston99 » Sun Feb 02, 2014 3:50 pm

Which is better rotor oem or after market?
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Dusty Boots
Posts: 573
Joined: Mon Oct 26, 2009 4:25 pm
Location: Alvinston, SW ON
Motorcycle: 1992 GL1500Aspencade

Re: gl1500 brakes

Postby Dusty Boots » Sun Feb 02, 2014 7:54 pm

chouston99 wrote:Can you turn the rotors on a motorcycle? I have a 94 gl1500se (I think no previous brake work done) with approx 140,000 on it and started experiencing soft rear brake pedal so I started checking everything (reservoir's full). I looked at the pads and rotor on rear and decided to replace pads but upon looking at the rotor it has a lip on it and I was wondering if it could be "turned" like you do for autos. Also should both front and rear pads be done at the same time? Thanks in advance.


1st off, your soft pedal is an indication your rear brakes need to be bled. Start with the front left caliper 1st and then move to the rear.

It's normal for any of the discs to develop a bit of a lip over the years of service. If the rear disc's thickness is under 6.0 mm/0.24" then the disc needs replacing. A new disc is between 7.3 - 7.7 mm/0.29 - 0.30".

Front discs are between 5.8 - 6.2 mm/0.23 - 0.24 when new and need to be replaced when they reach a thickness of 5.0 mm/0.20".

No need to change the front pads with the rears unless they need it. Typically, you will go through 2 - 3 sets of front pads to every set for the rear, depending if you are a front or rear biased braker.

All my pads (OEM) wear at a different rate. My dedicated front brakes, which are controlled by the front brake lever (right caliper) wear the quickest, getting usually some where in the neighbourhood of 32,000 mi/50,000 km before needing replaced. The front linked ones (left caliper, usually last at least 50,000+ mi/80,000 km before they are toast, while my rears last in excess of 100,000 mi/160,000+ km before needing to be replaced.
So, it is important to always note what your pad condition/wear is like, whenever you have any of the wheels off

These were the original factory OEM pads with 110,472mi/177,785 km on them when I decided to change them out for another set of OEM pads.








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ct1500
Posts: 813
Joined: Wed Nov 10, 2010 8:09 pm
Location: Glastonbury,CT
Motorcycle: 1988 GL1500
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Re: gl1500 brakes

Postby ct1500 » Mon Feb 03, 2014 1:36 pm

The chinese knock off discs can be problematic with warping/out of round issues.
This is what I do
Local and need repair help with your 1500, Valkyrie or ST please PM

coolhandsbob
Posts: 23
Joined: Thu Aug 04, 2011 6:13 pm
Location: Springbrook Ontario Canada
Motorcycle: 2000 GL1500 Aspencade with Voyager Conversion Kit

Re: gl1500 brakes

Postby coolhandsbob » Tue Feb 04, 2014 10:01 pm

Hi ;
I just had my fronts done at 80,000 km not sure if they were done before as I bought the bike at 60,000 km .With the milage being quoted my rears may be good but I was wondering before I crawl around on the freezing cold garage floor Can the pad condition be seen on the rear brakes without removing the left side bag . I got the Voyager Kit on it so guess its going to have to come off .
Thanks




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