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Author Topic: Oil passages  (Read 174 times)

Offline Wrenchpuller

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Oil passages
« on: July 22, 2026, 04:58:57 PM »
Hi all,

Currently stripping my engine to do all the seals etc. Just a question on the top oil passage behind the oil filter, is it supposed to look like that?

Picture attached
Many thanks
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Offline Nurse Julie

  • 1977 CB550/4 Mongrel Brat. 1974 UK 500/4 K1. Honda CD250u.
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Re: Oil passages
« Reply #1 on: July 22, 2026, 05:09:35 PM »
Yes, that's how they are. Well, the drill hole looks correct.
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Offline Wrenchpuller

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Re: Oil passages
« Reply #2 on: July 22, 2026, 07:12:56 PM »
Ok thanks Julie, never had one of these off before is all and never seen a stepped hole like that

Thanks again
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Offline Athame57

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Re: Oil passages
« Reply #3 on: July 22, 2026, 09:00:24 PM »
Hi Wrenchpuller, welcome here! ;D
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I brake for animals!
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Offline Wrenchpuller

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Re: Oil passages
« Reply #4 on: July 22, 2026, 09:31:24 PM »
Hello! Thank you very much! I've read the odd bit on this forum since getting a 400 about a month ago, thought id finally make an account! I'll save the rest for the introductions section when I get around to it  ;)
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