OEM chain and sprocket sizes??

  • kawasakisubaru
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29 Sep 2014 22:22 #649168 by kawasakisubaru
OEM chain and sprocket sizes?? was created by kawasakisubaru
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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30 Sep 2014 01:13 #649171 by Mcdroid
Replied by Mcdroid on topic OEM chain and sprocket sizes??
Rear sprocket is 33 tooth and chain is 630 X 84...according to Mother Kawasaki :)

Michael
Victoria, Texas

1982 GPz750
1977 KZ1000A
1978 KZ1000A
1982 GPz1100
1975 Z2A

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30 Sep 2014 06:57 #649178 by 650ed
Replied by 650ed on topic OEM chain and sprocket sizes??
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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