Z440 B1 1980 Steering head Bearings - Help!

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13 Jun 2020 15:02 - 13 Jun 2020 15:07 #828086 by Niclapham
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I was wondering if anyone has come across a similar issue to be whilst changing the head bearings on their bike and could perhaps offer some advice?

I have changed my steering head bearings upgrading to tapered bearings becuase that's all I can find online. However, despite ordering the correct bearings for my bike they don't appear to sit flush in the head meaning I can't get the steering stem through all the way to tighten the stem locknut (only half the thread comes through).

The bearings were definitely in as far as they could go.....

Bearings:

Many thanks!
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Last edit: 13 Jun 2020 15:07 by Niclapham.

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13 Jun 2020 15:33 #828088 by Mikaw
They are two different sizes on my KZ900. Check yours and make sure you have the correct bearing fitting into the right race. I’m pretty sure the lower bearing is the larger one

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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13 Jun 2020 18:41 #828112 by Nebr_Rex
Replied by Nebr_Rex on topic Z440 B1 1980 Steering head Bearings - Help!
If that bearing is really seated in the steering stem you have the wrong bearings.
The KZ400/440 use the same size bearing top and bottom.


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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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The following user(s) said Thank You: Mikaw

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15 Jun 2020 12:41 #828256 by Niclapham
Replied by Niclapham on topic Z440 B1 1980 Steering head Bearings - Help!
Thank you for confirming. This is half the issue, I can't find ones that fit. The bearings are definitely sat properly in the stem.

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15 Jun 2020 12:47 #828257 by JMKZHI
Replied by JMKZHI on topic Z440 B1 1980 Steering head Bearings - Help!
All Ball Racing lists the dimensions of their tapered bearing kits. Z1Enterprises has them.

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