R6 disc on thundercat

[grant965]

hi, is it possible to but a rear disc from an r6 onto a thundercat? Seen a few things that suggest this is possible but thought Id ask before splashing out.
Would either of these be suitable?
https://www.ebay.co.uk/itm/YAMAHA-R1-R6-REAR-WAVY-WAVEY-BRAKE-DISC-MADE-SHEFFIELD-/260935447488?pt=UK_Motorcycle_Parts&hash=item3cc0f6f3c0
https://www.ebay.co.uk/itm/YAMAHA-R6-03-09-R1-04-09-Rear-brake-disc-W-099-/130626741686?pt=UK_Motorcycle_Parts&hash=item1e69f5e5b6
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Ex bikes: 05 Suzuki En 125, '98 Yamaha Thundercat, '08 Honda cbr125, '05 Kawasaki z750, '03 Triumph Daytona 600, '91 Kawasaki ex250, '03 Hyosung Comet 125
Current Bike: '02 Suzuki TL1000R

[weasley]

Out of interest, why? When the caliper is clean the rear brake on the Thundercat is one of the better ones on a sports bike.
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Yamaha XJ600 | Yamaha YZF600R Thundercat | KTM 990 SMT | BMW F900XR TE

[grant965]

[Dilyan]

ABE discs imo. Had a new set recently, never looked back. Not cheap, but British quality. Brakes and tyres is something I'd never ever cheap on.
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Current: 2007 VFR800; Ex: 2001 YZF600R Thundercat
Škoda Octavia (yes, a taxi driver)

[0l0dom0l0]

not according to this:

https://www.ebay.co.uk/itm/Yamaha-Yzf-600-R6-98-02-5eb-5mt-Rear-Back-Brake-Disc-BD16-/170707440352?pt=UK_Motorcycle_Parts&hash=item27bef4d2e0#ht_665wt_952

and this:

https://www.ebay.co.uk/itm/YAMAHA-YZF-600-THUNDERCAT-REAR-DISC-/350375318476?pt=UK_Motorcycle_Parts&hash=item5193ff13cc#ht_500wt_969
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CBT Passed: 30/08/2009, Theory Passed: 31/08/2010, Mod 1 Passed: 6/9/2010, Mod 2 Passed: 13/09/2010. Restriction ended 13/09/2012.

Bikes: 2007 Derbi GPR 50, 1998 Yamaha Fazer 600 (written off), 2002 Yamaha Fazer 600, 1994 CBR 600F, 2003 Triumph Daytona 600, Kawasaki ZX6R J1.....Current: 2006 Yamaha FZ6, 1998 Suzuki TL1000R and a Honda VFR 400 NC30.