Engine Reassembly

943 Views 4 Replies 3 Participants Last post by jblouch, Sep 29, 2003

jblouch

Discussion Starter · Sep 26, 2003

I'm fixin' to put the top end of my 97 M900 back together (cylinders, head, etc) and am wondering what type/kind of goop I should use on the aluminum base gasket. My Haynes manual said I should use some, but it isn't specific as to what type/kind. Anyone have any favorites? I've got black, gray, hi-temp black, and some old fashioned Permatex (both the black non-hardening kind and the rust colored kind that hardens). Recommendaitons?

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krista_k

· #2 · Sep 26, 2003

just about anything will work on the base gasket. i normally use gray. be sure to "lap" the cylinder to the head with "fine" valve lapping compound. oh and i guess you should lap the valves, too.

chris

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crblouch

· #3 · Sep 27, 2003

Chris--I lapped the valves after cleaning up the heads, but I didn't know, nor has anyone or any manual mentioned lapping the head to the cylinder, although is makes sense. The studs are still in place. Seems like I'd need to remove them to get enough movement to do any lapping of those two surfaces. Is that what I would need to do. . . strip the studs from the crankcase? If I do that I think the Haynes manual says I'd need to replace them. . . yes? Thanks.

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krista_k

· #4 · Sep 28, 2003

do it with cylinder and head off bike. studs not in way then.

note you do not get much rotation. go back and forth some, then go to one "extreme" of rotation, pick up and set back down at other "extreme" and repeat...

chris

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jblouch

Discussion Starter · #5 · Sep 29, 2003

Right! Thanks for the tip.

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