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New member with a 1967 CL77 and questions about losing power

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jleewebb
honda305.com Member
Posts: 472
Joined: Fri Jun 08, 2007 3:37 pm
Location: travis county, tx

oil seal adventures

Post by jleewebb » Wed Jun 28, 2017 8:22 am

My adventures with clutch rod oil seal: http://www.honda305.com/forums/clutch-r ... 36081.html
'62 CB77. "It's a rider."

coydogsf
honda305.com Member
Posts: 16
Joined: Mon May 01, 2017 9:51 pm
Location: Petaluma, CA

Re: oil seal adventures

Post by coydogsf » Wed Jun 28, 2017 10:53 am

jleewebb wrote:My adventures with clutch rod oil seal: http://www.honda305.com/forums/clutch-r ... 36081.html
Super helpful post. Thanks!

kookus64
honda305.com Member
Posts: 1
Joined: Tue Aug 08, 2017 8:57 pm
Location: Atlanta, GA

Similar issue with my CL77 at the beginning of your post

Post by kookus64 » Tue Aug 08, 2017 9:01 pm

I have the EXACT same problem as you posted at the beginning of this blog.
I'm curious, what was the final outcome that you think really caused the problem. I can't figure it out on my bike and I have the same year and model as yours '67 CL77 HELP!!

coydogsf
honda305.com Member
Posts: 16
Joined: Mon May 01, 2017 9:51 pm
Location: Petaluma, CA

Re: Similar issue with my CL77 at the beginning of your post

Post by coydogsf » Fri Sep 01, 2017 11:27 am

kookus64 wrote:I have the EXACT same problem as you posted at the beginning of this blog.
I'm curious, what was the final outcome that you think really caused the problem. I can't figure it out on my bike and I have the same year and model as yours '67 CL77 HELP!!
In the end, I don't think it was the air boots since the tune up procedure from Ed Moore that I finally followed - http://www.honda305.com/cb77_700/cb77-716.htm - included running it without any boots at all during the process, and even after I replaced them, I still had issues. I really just think it was setting the timing correctly (described in the link above).

coydogsf
honda305.com Member
Posts: 16
Joined: Mon May 01, 2017 9:51 pm
Location: Petaluma, CA

Closer look at the cam chain tensioner roller...

Post by coydogsf » Fri Sep 01, 2017 11:36 am

After some brilliant guidance from Davomoto, I've been able to determine that it was in fact the clutch push rod seal that popped out and dumped my oil. I've now installed a new seal and one of the Capellini seal keepers.

Inspection of the cam chain tensioner wheel (easily accessed via 4 bolts on the back of the engine) shows some wear but not as bad as others I'd seen online. Since Davomoto's helpfully advice included ordering a few extra gaskets for the cam chain tensioner plate, I may just put it all back together and run it for a while, then check the oil filter for any plastic and reinspect the roller.

Image

How's this roller look to anyone who's inspected theirs?

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