Re: What have you tinkered with today?
Quote:
Originally Posted by CheGuevara
Nah both are solid discs. The stock ones though are thicker have a larger bore (10mm) and are counter-bored which explains the shouldered bolt.The replacement discs are thinner and drilled to the same diameter as the bolt (8mm). If you drilled them out to 10mm and tried to use the shouldered bolt, I think it would bottom out leaving the thinner disc flapping about a bit.
I'm assuming the stock arrangement uses the shouldered bolt for a bit more precision in aligning the disc.
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Fair do's. Cheers for the clarification. I often get stuff wrong! 
What you describe also makes sense to me. You definitely don't want loose discs if they're meant to be solid. Maybe you can find an aftermarket replacement bolt that has a small 8mm shoulder to give the best fit?
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Spannering the wife's SV650S K5 pointy in Black, and son's SV650 X curvy in Blue.
RIP SV650 X curvy, crashed and written off December 2019.
I'm (procrastinating about) fixing up an old Yamaha FZ600 to get myself fully back on the road.
Last edited by Ruffy; 06-02-22 at 11:40 AM.
Reason: typo correction
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