Honda Twins banner
Cancel

In the middle of a cm400 build

654 Views 11 Replies 3 Participants Last post by  paulboots553, 
paulboots553
3
Here she is in all her assholedness. Had it bored.25 over metric not standard. Gaskets were a bitch and any ideas on setting the jug rubbers would be great. I can't get em on correctly seems too big pressed in but tight over the sleves

Attachments

See less See more
Reply
Save
Like
1 - 2 of 12 Posts
B
the o-rings for the jugs between the cylinder and the upper case that come in the kits are 2.5 mm. You need 2mm . You can buy them online.

Bill H
Reply
Save
Like
  • Like
Reactions: 1
B
Why they are on there I dont know. I do know the sleeve and cylinder head heat and expand at different rates so maybe an oil seal. Every Honda motor from 90 cc to the 400s I have worked on had them. So I would replace them. JMHO

Bill H
Reply
Save
Like
1 - 2 of 12 Posts
Honda Twins
A forum community dedicated to Honda Twin cylinder motorcycle owners and enthusiasts. Come join the discussion about performance, engine builds, classifieds, modifications, troubleshooting, maintenance, and more!
Full Forum Listing
Explore Our Forums
Project Logs Engine Discussion Member Introductions Engine Discussion Electrical Discussion
Top