gl1000 brake rotor interchangability


Information and questions on GL1000 Goldwings (1975-1979)
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richkel
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Joined: Fri Feb 12, 2010 8:35 pm
Location: Staunton,Va
Motorcycle: 1979 GL1000

gl1000 brake rotor interchangability

Postby richkel » Wed May 05, 2010 10:00 am



Hi Gang,

Anyone know if the front brake rotors from a 77 GL1000 will fit my 79 GL1000.

thanks!

Rich



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WingAdmin
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Re: gl1000 brake rotor interchangability

Postby WingAdmin » Wed May 05, 2010 10:59 am

I show the front brake rotor part numbers as such:

1975-77: 45120-371-000
1978: 45251-410-000
1979: 45251-422-000

That doesn't mean they WON'T fit...but I wouldn't bet on it. The 75-77 rotors bolt into the spoked wheel hub, while the 79 rotors bolt into the cast aluminum wheel.

richkel
Posts: 2
Joined: Fri Feb 12, 2010 8:35 pm
Location: Staunton,Va
Motorcycle: 1979 GL1000

Re: gl1000 brake rotor interchangability

Postby richkel » Wed May 05, 2010 8:49 pm

OK, I did some more research on GL1000 front rotors and see the 77 and earlier had spoked wheels and the rotors had 6 bolts. The 78 and 79 had "Comstar" aluminum wheels and the rotors had 5 bolts. The rotors on the 78 had 5 spokes. The rotors on the 79 had 5 pairs of spokes.

So my question now is are the 78 and 79 rotors functionally interchangeable?

thanks

Rich

Old Fogey
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1979 GL1000
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Re: gl1000 brake rotor interchangability

Postby Old Fogey » Fri May 14, 2010 9:26 am

The 79 rotors are the same as CBX and CB900. 78 rotors are a one year only. Not sure if the 79 ones will fit, but the EBC website does not list a replacement for the 78!


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