need help with neck tube bearings on 1980 KZ750E

  • motomadlin32
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11 Nov 2013 00:57 #612756 by motomadlin32
:angry: so when i bought my basket case the bearing assembly for the neck tube where missing. and having trouble finding a new setup. i recently purchased another bike 81 kz750e but the bearings appear to be different from what i need. any info or pics of how the bearing assembly looks for my '80? and maybe how to get what i need?

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11 Nov 2013 03:53 #612759 by Nebr_Rex
A search would of revealed Z1 Enterprises, AllsBalls, etc....
Buy new and buy roller, it's a safety issue.

.

2002 ZRX1200R
81 GPz1100
79 KZ1000st daily ride
79 KZ1000mk2 prodject
78 KZ650sr
78 KZ650b
81 KZ750e
80 KZ750ltd
77 KZ400/440 cafe project
76 KZ400/440 Fuel Injected

www.dotheton.com/forum/index.php?topic=39120.0


.

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11 Nov 2013 04:59 #612760 by 650ed
Replace the original steering stem bearings with tapered roller bearings. I did; they are 1,000 times better. Here's the All Balls kit for the 1980 KZ750-E1. Ed

www.allballsracing.com/22-1014.html

1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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11 Nov 2013 10:51 #612785 by motomadlin32
Replied by motomadlin32 on topic need help with neck tube bearings on 1980 KZ750E
thank you so did they change bearing styles from '80 - '81? because i picked up a parts bike that was an '81 and it has the tapered roller bearings in it but in the neck tube on my '80 frame wouldn't accommodate those bearings I'm guessing i would need the right races for it.
in which case could i use the race from the '81 frame? but seemed it would be very difficult to get it out without damaging it due to the lack of a lip on the inside.

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11 Nov 2013 10:53 #612786 by motomadlin32
Replied by motomadlin32 on topic need help with neck tube bearings on 1980 KZ750E
oops sorry one more thing does that kit come with the races i need in case i couldn't reuse the ones out of my '81 frame?

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11 Nov 2013 11:22 #612790 by guitargeek
Replied by guitargeek on topic need help with neck tube bearings on 1980 KZ750E
Do not reuse the old races.

1980 KZ750-H1 (slightly altered)
1987 KZ1000-P6 "Ponch"
1979 GS1000 "Dadzuki"

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11 Nov 2013 12:06 #612797 by motomadlin32
Replied by motomadlin32 on topic need help with neck tube bearings on 1980 KZ750E
Haha probly a good idea thanks

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11 Nov 2013 12:26 #612798 by 650ed
The kit comes with everything including the new races. You remove all the old stuff and install the new and you're ready to roll. You will need to apply grease to the bearings when installing. Ed

1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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11 Nov 2013 13:01 #612801 by motomadlin32
Replied by motomadlin32 on topic need help with neck tube bearings on 1980 KZ750E
Ok thanks guys! So just curious did they change the bearing design from '80-'81 or did one of the previous owners of the '81 do the conversion at some point?

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11 Nov 2013 14:25 #612808 by JR

motomadlin32 wrote: Ok thanks guys! So just curious did they change the bearing design from '80-'81 or did one of the previous owners of the '81 do the conversion at some point?


You made me curious since I also have a 1980 KZ750E1 so I checked Kawasaki.com Owner Info, Parts Diagrams etc and it looks like Kawasaki used the same bearing and same races on on pretty much all the 750s - twins included - from 76 to 84. .....Or to answer your question then it looks like Kawasaki did not change bearing design from 80 to 81.

The All Balls stuff is good quality. I've used it to replace my wheel bearings and am thinking about replacing the steering head bearings next season.

1980 kz750E1, Delkevic exhaust

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11 Nov 2013 18:52 #612829 by motomadlin32
Replied by motomadlin32 on topic need help with neck tube bearings on 1980 KZ750E
Will definitely be picking up the kit. Thanks for all the input guys. My build is coming together can't wait to tear down the road on this beast lol

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12 Nov 2013 16:40 #612919 by zukdave
The AllBalls kit I used came with a new lower seal also.

1980 KZ650 F1
ZX750A1 motor.
Wiseco 810cc kit.
Zukiworks racing ported head.
VM 29 smooth bore's.
Dyna 2000 Ign. w/Dyna mini coil's
APE cylinder stud's and nut's.
APE valve spring's.
APE Track King clutch.
V/H KZ1000 sidewinder.
3.5x18 laced to a KZ1000 disk hub.
150/60/18 Shinko 006 Podium.
63" wheel base.

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