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Main Area => General GS500 Discussion => Topic started by: lf2503 on July 14, 2010, 01:05:47 PM

Title: parts compatibility
Post by: lf2503 on July 14, 2010, 01:05:47 PM
Hi,
I need to replace the front rotor on my 1994 GS 500. What other year models have a front rotor compatible with mine? In general,what is a good source to find whether parts are compatible with e.g.other years or models?
Title: Re: parts compatibility
Post by: romulux on July 14, 2010, 01:09:32 PM
I believe all model years share the rotor.

Almost all components are shared among all model years.

You can look up your model year on bikebandit or cheapcycleparts and compare a part against a newer model.
Title: Re: parts compatibility
Post by: burning1 on July 14, 2010, 02:49:44 PM
lf2503,

If you're going to replace your brake rotor, do not go OEM. I'd strongly advise you to pickup an EBC or Galfer. The OEM stuff is very soft; racing, I've gone through 3 OEM rotors this season.
Title: Re: parts compatibility
Post by: kman on July 14, 2010, 03:24:53 PM
Why did you buy the second and third oem rotor?
Title: Re: parts compatibility
Post by: Paulcet on July 14, 2010, 05:00:03 PM
GS500 rotor dimensions:

OD Ø mm  ID Ø mm  BHC Ø mm  No of BH  BH Ø  TH  min. TH  Offset
310  64  86  10.5  4.5  19.5


I got that info from http://www.metalgear.com.au/

Go there to cross-reference.
Title: Re: parts compatibility
Post by: black and silver twin on July 14, 2010, 08:24:19 PM
I heard that they rotors were changed when the caliper was changed. Not sure what year that happened though. I also saw that EBC lists a different rotor for the older models but the rear is the same, so Im pretty sure that you should get one for your year.
Title: Re: parts compatibility
Post by: burning1 on July 15, 2010, 01:28:08 AM
Kman,

I purchased a stack of 3 used OEM rotors from a friend for about $25.
Title: Re: parts compatibility
Post by: sledge on July 15, 2010, 02:37:15 AM
Quote from: lf2503 on July 14, 2010, 01:05:47 PM
Hi,
I need to replace the front rotor on my 1994 GS 500.

So If it lasted 16 yrs whats the problem with OEM?
Title: Re: parts compatibility
Post by: pandymai on July 15, 2010, 09:57:30 AM
if there is a difference in rotors, it would have come about in 96 when they changed the caliper style. so any 89-95 rotor should be sure to work.
Title: Re: parts compatibility
Post by: burning1 on July 15, 2010, 10:34:01 AM
I run a 96 caliper with a 93 GS rotor. It's fine. I wouldn't be concerned about the newer rotors.

If in doubt, check one of the aftermarket manufacturers parts list. They generally won't change a part for no reason... So, if they show compatible numbers across the entire range, the stock stuff is likely (but not guaranteed) to be compatible as well.
Title: Re: parts compatibility
Post by: black and silver twin on July 15, 2010, 10:44:04 AM
I just looked at EBC catalog, they list the same rotors front and rear for all years of gs500. the pads however are different for pre 96. so any gs500 rotor will work
Title: Re: parts compatibility
Post by: purplepeopleeater on July 15, 2010, 11:59:25 AM
Go down to bike breakers, show him ya old one and he may have one to replace yours.
Title: Re: parts compatibility
Post by: dgyver on July 15, 2010, 01:52:19 PM
The caliper piston sizes changed... nothing to do with the rotor. The rotor carrier color changed (black & gold)... nothing to do with compatibility.
All years of GS500 rotors are compatible.