Green color coded mainbearings


Information and questions on GL1200 Goldwings (1984-1987)
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Earlywr
Posts: 2
Joined: Wed Feb 05, 2014 12:12 am
Location: Seattle, Washington
Motorcycle: 1986 gl 1200

Green color coded mainbearings

Postby Earlywr » Wed Feb 05, 2014 12:33 am



Desperately seeking main bearings (color coded green) part # 13324-mg9-003 for 1986 wing...

Bike is in pieces on the floor of shop and I need these two bearings and I cannot find them anywhere.

206 684 8561. Thanks, Randy



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virgilmobile
Posts: 7663
Joined: Sun Sep 19, 2010 5:39 pm
Location: Denham Springs,La.
Motorcycle: 1988 GL1500 I
Previously owned
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84 GL 1200 I

Re: Green color coded mainbearings

Postby virgilmobile » Wed Feb 05, 2014 9:08 am

I can't help on location but I do have a bit of info that might help....

When Honda builds/assembles the engine,the person who installs the main and rod bearings,measures each journal and then selects the appropriate bearing to match...Thus the different color code..
Now after many miles and the need to rebuild..the same process should be done...
You might find that if you plastigauge or measure the bearing journal,a "green" bearing may be out of tolerance and the next one is better.

You should always check the tolerance specs for each bearing..Plastigauge or measure it...don't assume the same color is suitable for any paticular journal.One at a time....

Earlywr
Posts: 2
Joined: Wed Feb 05, 2014 12:12 am
Location: Seattle, Washington
Motorcycle: 1986 gl 1200

Re: Green color coded mainbearings

Postby Earlywr » Wed Feb 05, 2014 10:56 am

Thank you for that information.

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thrasherg
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Location: Plano, TX
Motorcycle: 2004 GL1800, 2005 Honda Shadow 750, 2008 Yamaha R6 with RG500 engine, CRF450X, CRF230, CRF250X, XR200, CR500

Re: Green color coded mainbearings

Postby thrasherg » Wed Feb 05, 2014 12:39 pm

Virgil is 100% correct, but its a lot of work to go and put plastigauge on each bearing, put the crank in then bolt the two crankcase halves together, then unbolt them and measure the plastigauge. BUT it is the correct way to do it!! Once you know the clearance there should be a table that in the workshop manual that tells you given a certain clearance, which color plain bearing to use. You might still have a problem finding the bearings, but at least you know you are looking for the correct ones!! :lol:

Gary

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virgilmobile
Posts: 7663
Joined: Sun Sep 19, 2010 5:39 pm
Location: Denham Springs,La.
Motorcycle: 1988 GL1500 I
Previously owned
78 GL1000
81 GL1100
82 GL1100 I
83 GL1100 I
83 GL1100 standard
84 GL 1200 I

Re: Green color coded mainbearings

Postby virgilmobile » Wed Feb 05, 2014 1:54 pm

Yes it is extra work but necessary if you really want to maintain factory specs.
As always use no pre-lube with the plastigauge material.Its a dry fit measurement.
A too tight fit is just as bad as too loose.
Always check.




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