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TOPIC: fork oil capacity for 78 kz650 c2

fork oil capacity for 78 kz650 c2 01 Sep 2012 12:02 #546031

  • doped304
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Quick questin I just got my fork tubes from powdercoat and I'm slapping them back together but my service manual deals with a more modern bike with air forks. Just wanted to get the correct capacity for my older non air forks before I button it all up.

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fork oil capacity for 78 kz650 c2 01 Sep 2012 17:51 #546091

  • 650ed
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You cannot accurately fill fork tubes by measuring oil volume alone. With the forks fully extended (front wheel off the ground) fill each fork tube with 15w fork oil until the top level of the oil is 396mm below the top of the fork tube. Measure this distance using a wood dowel or other rod with the fork springs in place. After you ride the bike several miles check the level again and add if needed. I find Bel Ray fork oil to work great! Ed
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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fork oil capacity for 78 kz650 c2 02 Sep 2012 01:15 #546141

  • OldSchoolZ
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Guessing thats old school. Every level spec Ive seen is measuring with forks fully collapsed.
And even if you didnt have an oil spec, with fork collapsed, 4 inches from top will always work.
LOL just read the old manual, thats some old school stuff lol, extended measurement. :laugh:
Remember, don't work on your bike so much you never ride it.

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fork oil capacity for 78 kz650 c2 02 Sep 2012 01:21 #546142

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Attachment ForkOilLevel.JPG not found

1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)
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fork oil capacity for 78 kz650 c2 03 Sep 2012 23:00 #546497

  • doped304
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Thanks guys, now I have a baseline to start from. I even went all out and got bellray instead of motor oil!

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