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TOPIC: KZ1000J fork oil capacity?

KZ1000J fork oil capacity? 06 May 2012 14:56 #520213

  • linn
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Hi forum. Just joined.
I'm using KZ1000J front forks on my H2. The last time i filled the forks with oil was some 15 years ago (before the kids), and since then, I've lost all info on things like capacity and viscosity. So, for my upcoming fork job: how much oil in each leg, and which viscosity? Any help is much appreciated.
Best
Gunnar

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KZ1000J fork oil capacity? 06 May 2012 15:27 #520224

  • OnkelB
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Welcome aboard.

The manual says 327 cc +/- 4 (if you're doing a stripdown/rebuild), about 300 cc if you're just changing.

Oil level should be 110mm +/-2, measured from the top of the inner tube to the oil surface with the fork leg vertical, fork tube fully compressed and the main spring removed.

Air pressure should be 3.6 - 5.0 psi for US and Canadian models, 6.4 - 7.8 psi for non-US/Canadian models.

According to the manual viscosity should be SAE 10W20.

Keep in mind these figures are for a KZ1000 that weighs a bit more than your H2 but they should get you close.

Btw, how about some pics of that H2?
77 KZ 650 B1, 82 GPz 1100 B2.
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KZ1000J fork oil capacity? 07 May 2012 03:41 #520427

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OnkelB wrote: Btw, how about some pics of that H2?

Here is a larger version of my avatar. Will try to snap some more.
Many thanks for your help.

Attachment 20120318-IMG_3586_1200_blur.jpg not found

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Last edit: by linn.

KZ1000J fork oil capacity? 07 May 2012 08:03 #520437

  • 650ed
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I have always used 15w Bel Ray fork oil in my KZ650 and found it works very well. Someone will need to give you the correct measurement for your bike, rather than or along with volume of fork oil. When you change the oil you measure from the top of the fork tube (using a dowel) to the top of the oil level. The Kawasaki Service Manual tells you how high in the tube the oil should be. BTW, how do you like those Pirelli tires? I've had them on my bike for a while now and really think they work well. Ed
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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KZ1000J fork oil capacity? 07 May 2012 11:02 #520462

  • linn
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Thanks for info, Ed.
Re Pirelli tyres: I'm not really the roadability guy (you might notice from my choice of bike), so I can't really say. But I guess they work. :)

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