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OEM chain and sprocket sizes?? 29 Sep 2014 22:22 #649168

  • kawasakisubaru
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I am looking to change out the OEM chain and rear sprocket on my '80 KZ750E
I just bought the bike and it needs some work. the chain is pretty fucked.
Ive heard the OEM size is 630x84 with a 32t rear sprocket, but I've also heard 530x106
Does anyone here know?
If not, what is a good chain and sprocket combo to run?
1980 KZ750 E1
Kerker by Kawasaki 4-1 exhaust
Lockhart oil cooler
Mikuni VM29 smoothbore carbs
Pingel high flow petcock
Dunlop K70s

Custom brat style seat
Clubman bars
Dime city cycles 1.5in tach/speedo
Ox blood grips

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OEM chain and sprocket sizes?? 30 Sep 2014 01:13 #649171

  • Mcdroid
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Rear sprocket is 33 tooth and chain is 630 X 84...according to Mother Kawasaki :)
Michael
Alvin, Texas

1982 GPz750
1977 KZ1000A
1978 KZ1000A
1982 GPz1100
1975 Z2A

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OEM chain and sprocket sizes?? 30 Sep 2014 06:57 #649178

  • 650ed
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Replace the front sprocket at the same time as the rear sprocket and chain. This is necessary because a worn sprocket will prematurely kill a chain and a worn chain will kill a sprocket. The wear on the teeth of your front sprocket, even if it doesn't look terrible, makes the spacing between teeth a little different than that of a new chain. As a result, the chain will quickly wear until its spacing matches that of the sprocket, and that leaves you with a prematurely worn out chain. Ed
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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