what is the biggest tire i can run on my 78 kz 650

what is the biggest tire i can run on my 78 kz 650 30 Mar 2006 17:26 #35562

kz550man Topic Author Offline User Posts: 16 Thank you received: 0	hey guys i whant to no what is the biggest tire i can run on my 78kz 650 c-1 whith stock swing arm and rim thanks guys
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what is the biggest tire i can run on my 78 kz 650 30 Mar 2006 19:42 #35606

rstnick Offline User Posts: 4366 Thank you received: 376	I've got a 130/90, but have heard others have gone to a 140. Rob CANADA Need a key for your Kawasaki? PM me 1978 KZ650 C2, 130K kms, Delkevic ex, EI, CVK32, PMC easy clutch, ATK fork brace, steering damper, braced swingarm, 18" Z1R front wheel. 2000 ZRX1100 2011 Ninja 250R 2005 z750s
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what is the biggest tire i can run on my 78 kz 650 30 Mar 2006 20:01 #35620

reborn650
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Hey Rob-If you get a chance can you measure how much swingarm clearance you have on each side of your 130 rear tire? I have just ordered a 130 but if you think a 140 will fit I may just up the size for my '77 Kz 650 Custom with mag wheels.

Cheers-Colin Firth-Ontario Canada

-1977 Kz650 Custom bought new by brother. Now with 810 kit, GPz750 cams, intake valves, Mikuni 29 smoothbores, velocity stacks, Dyna Igntion, MAC pipe and other goodies.
-1982 Ferrari 308 GTSi Red/Tan
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-2010 Mazda CX-7 Turbo (my bride's)
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what is the biggest tire i can run on my 78 kz 650 30 Mar 2006 20:35 #35624

Sandy Offline User Fly High,Tony Posts: 2452 Thank you received: 13	A 140 might fit,but it would be a TIGHT fit.Sure...it may not touch the swinger,BUT...will it rub under stress??(in a tight corner)...not sure... I AM sure,that I wouldn't want to find out THAT way! 1977 KZ1000 A-1
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what is the biggest tire i can run on my 78 kz 650 31 Mar 2006 03:28 #35665

OnkelB Offline User Posts: 1011 Thank you received: 80	I´d say 130 - while you might be able to squeeze a 140 in the stock swingarm, there´s also rim width to consider. The stock 650 rear rim is only 2.15 and a 140 would be too wide for that, the tire would "balloon" too much and as Sandy says, cornering hard you could be in for a nasty surprise. 77 KZ 650 B1, 82 GPz 1100 B2.
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what is the biggest tire i can run on my 78 kz 650 31 Mar 2006 06:46 #35705

rstnick Offline User Posts: 4366 Thank you received: 376	I've got approx. a 1/4 inch clearance on both sides with the 130. Rob CANADA Need a key for your Kawasaki? PM me 1978 KZ650 C2, 130K kms, Delkevic ex, EI, CVK32, PMC easy clutch, ATK fork brace, steering damper, braced swingarm, 18" Z1R front wheel. 2000 ZRX1100 2011 Ninja 250R 2005 z750s
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