Hello.
Thanks for the correction.
I'm sure that you are in the know.
However, this is what
www.bikebandit.com shows:
13031:
CRANKSHAFT-COMP
761277
(543871-001) $379.75
1985 Kawasaki KX500(KX500B1)US
1986 Kawasaki KX500(KX500B2)US
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Here is what
http://www.cheapcycleparts.com/ shows:
1985 KX500 13031 CRANKSHAFT-COMP 13031-1182
1986 KX500 13031 CRANKSHAFT-COMP 13031-1182
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Here is what
http://www.powersedge.com shows
1985 KX500 13037A SKU: 13031-1182 CRANKSHAFT-COMP
1986 KX500 13037A SKU: 13031-1182 CRANKSHAFT-COMP
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My own personal records agree with what these 3 sites are providing.
If I am mistaken I stand corrected.