530 sprockets for 1985 GPZ750?

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01 Dec 2014 14:19 #655090 by taylee
530 sprockets for 1985 GPZ750? was created by taylee
I would like to go to 530 sprockets but have heard conflicting tales. Some say I need special offset sprockets. Others have said I don't. I don't see why slightly changing the width of the chain will necessisate a new offset. Can someone with experience help me out?


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1985 GPZ750 (non-turbo)

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01 Dec 2014 14:32 #655092 by pete greek1
Replied by pete greek1 on topic 530 sprockets for 1985 GPZ750?
No need to offset, unless you're putting a wider swingarm & rear rim
1980 LTD 1000..,1976 LTD 900, have the 1000&900 now. the rest are previous= 1978 KZ 650 B.., 1980 Yamaha XT 500..,1978 Yamaha DT 400.., 1977 Yamaha yz 80..,Honda trail ct 70.., Honda QA 50...5-1/2 hp brigs & straton CAT chopper mini bike...3-1/2 hp mini bike (WHEN GAS WAS ABOUT 45 CENTS A GALLON)!!!!

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  • DoctoRot
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01 Dec 2014 14:58 - 01 Dec 2014 14:59 #655094 by DoctoRot
Replied by DoctoRot on topic 530 sprockets for 1985 GPZ750?
You shouldn't need to offset, however if the stock sprocket has a boss on it, and your 530 sprocket does not, you will need to get some spacers to get it correctly positioned. I had to do it on my kZ1000 when i converted. Im not familiar with your bike so i don't know if that would be the case. Your best bet is to pull the sprockets and see if there are a bosses on either. There is some very helpful info on 630/530 conversions and sprocket spacing over at z1 enterprises.

www.z1enterprises.com/Chain630To530.aspx
'78 1000 Long Term Project
 '80 750G
 750 Twin Big Bore Track Bike
Last edit: 01 Dec 2014 14:59 by DoctoRot.
The following user(s) said Thank You: taylee

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