Kz750 rebuild 2.0

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25 Jan 2022 18:14 #861101 by Mikaw
Replied by Mikaw on topic Kz750 rebuild 2.0
Wow that disappeared quickly 
 

1976 KZ 900 A4 kzrider.com/forum/11-projects/613548-1976-kz-900-a4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
1980 KZ 750 E1
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.

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25 Jan 2022 18:29 #861102 by Elfarm98648
Replied by Elfarm98648 on topic Kz750 rebuild 2.0
Man, if I needed more larger parts off a bike then I might have considered it, just don’t have the room for another bike rn. Especially a non-runner. 

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25 Jan 2022 18:48 #861105 by Mikaw
Replied by Mikaw on topic Kz750 rebuild 2.0
Tank and gauges were worth $200. I’ll keep an eye out

1976 KZ 900 A4 kzrider.com/forum/11-projects/613548-1976-kz-900-a4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
1980 KZ 750 E1
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.

Please Log in or Create an account to join the conversation.

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26 Jan 2022 16:18 #861151 by Elfarm98648
Replied by Elfarm98648 on topic Kz750 rebuild 2.0
Until I find a clutch pressure switch for less than $15, I think I’ll make the theft switch. I kept the connectors where it plugs into the main harness so it can be removed easily if/when I find a switch.
Currently waiting on the handlebars to ship, I will probably Throw on the old ones to move it around for now. 
The new tire will definitely be put on this weekend, the estimated arrival date says Friday so let’s hope by Saturday it’s mounted, balanced, and holding air. 
Slowly coming back together!

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26 Jan 2022 22:06 #861166 by Elfarm98648
Replied by Elfarm98648 on topic Kz750 rebuild 2.0
Say all, for this rebuild I’m looking to replace some worn parts as well. One thing I am looking to replace is sprockets. I would like a better highway rpm. Nothing insane but better than  5-6k rpm to keep 65mph. The Kz750H comes stock with a 32 tooth rear and a 13 front. Z1 have nothing smaller than 32 a 32 tooth so it looks like my best option is increase front tooth count. What should I increase to that will best help me in this scenario? Is there a formula that I can do that will actually show the rpm at which speed with the sprocket changes? Z1 current has a 14,15,16 tooth front in the 630 pitch chain. 

However this is a possibility to change to a 530 chain. But the lowest 530 pitch rear sprocket is a 38 tooth. But it does go up to an 18 tooth front sprocket. Thoughts?

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26 Jan 2022 22:20 #861167 by 750 R1
Replied by 750 R1 on topic Kz750 rebuild 2.0
Someone will pop up and give more information on the size conversion but I'd go with a 520 or 530 conversion, The 630's are too big to go much bigger on the front, and you really don't need a chain as big as a 630. I'm doing a 520 conversion on my GPZ750, the chain rating is as good as any 630 or better and the whole setup is a lot lighter as well, The guy I bought the sprockets and chain off runs these 520 chains on his GSXR1000 and a friend uses 520 chain and sprockets on his Honda/4 race bike,  that has 118 rear wheel HP, yes, that HP number is correct. I think I may have my 520 chain and sprockets here, {my project is about 40 miles away},  if I do I'll post sizes. There is a chain and sprocket conversion chart somewhere on the forum, I used it to sort the ratio's out a while back. I went slightly taller on the gearing but I'm also using an 810 kit and bigger cams in my engine..

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27 Jan 2022 18:21 #861206 by Mikaw
Replied by Mikaw on topic Kz750 rebuild 2.0

1976 KZ 900 A4 kzrider.com/forum/11-projects/613548-1976-kz-900-a4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
1980 KZ 750 E1
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.

Please Log in or Create an account to join the conversation.

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27 Jan 2022 18:25 #861207 by Mikaw
Replied by Mikaw on topic Kz750 rebuild 2.0

1976 KZ 900 A4 kzrider.com/forum/11-projects/613548-1976-kz-900-a4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
1980 KZ 750 E1
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.

Please Log in or Create an account to join the conversation.

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27 Jan 2022 22:51 #861220 by Elfarm98648
Replied by Elfarm98648 on topic Kz750 rebuild 2.0
Both of them are decent looking bikes, thanks Mikaw! Unfortunately you are on the east side of the states but I’m located much further south. Atlanta Ga to be exact. 

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28 Jan 2022 14:49 - 28 Jan 2022 14:51 #861271 by Elfarm98648
Replied by Elfarm98648 on topic Kz750 rebuild 2.0
Welp, $45 later the new front tire is mounted, new valve stem installed, and the front end is all put back together. Now the only part that I HAVE to replace is the tachometer and indicator lights. Right side Muffler will hopefully come with the replacement of the entire exhaust with a 4-1 so I’m not jumping at the bit to get a new muffler for that one. 
Good news is I checked my oil level while up on the center stand and it is perfect. 

Also got to saddle soap the seat and reapply some leather conditioner to it as well. Not even a scuff on the seat. Still looks new!
  • Last edit: 28 Jan 2022 14:51 by Elfarm98648.

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    28 Jan 2022 15:12 #861275 by 750 R1
    Replied by 750 R1 on topic Kz750 rebuild 2.0
    Did they charge you 45 dollars just to fit a tire and balance ?   

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    28 Jan 2022 17:06 #861289 by Mikaw
    Replied by Mikaw on topic Kz750 rebuild 2.0
    I have never had a bike with leading axle forks but the placement of your speedo drive doesn’t look correct. 

    1976 KZ 900 A4 kzrider.com/forum/11-projects/613548-1976-kz-900-a4
    1976 KZ 900 B1 LTD
    1978 KZ 1000 B2 LTD
    1980 KZ 750 E1
    Kowledge Speaks, But Wisdom Listens.
    Jimi Hendrix.

    Please Log in or Create an account to join the conversation.

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