Engine is apart, now what... seals, gaskets, etc.

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StotheH
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Engine is apart, now what... seals, gaskets, etc.

Post by StotheH »

So my engine is apart. It's surprisingly clean and tight inside. One of the crank bearings has spun in the casing which isn't so great, I guess I'll have to 'glue' it in place during the rebuild.

I pulled it down because it was billowing smoke during my test runs but now that I'm in there nothing is screaming "I'm all worn out" at me. The crank seals are obvious "must replace" parts and I'd expected the bearings to be the same but they're tight, like, near new tight. The slop that I thought was dud bearings was, like I mentioned, the slop in the case =(

I've never pulled down a rotary valve engine before and I'm a bit unsure what needs replacing. The huge o-rings around the rotary valve housings for instance? They look ok but I dunno!

Also, where the heck do I get gaskets? Are they still available anywhere or is it a case of gasket goo?

So, if anyone has any rebuild tips I'd love to read em'.

Cheers
98' VFR800Fi
75 KH400
84 KR250
StrokerBoy
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Re: Engine is apart, now what... seals, gaskets, etc.

Post by StrokerBoy »

StotheH wrote:I've never pulled down a rotary valve engine before
Me neither. :lol:
StotheH wrote:Also, where the heck do I get gaskets? Are they still available anywhere or is it a case of gasket goo?
Templates for the gaskets available HERE, cut your own from gasket paper. Head gasket more tricky, someone on here was proposing to get a batch made but I'm not sure if it ever came to anything.

As for everything else, good luck ! Get the Kawasaki part-numbers HERE and then try as many dealers, suppliers and web-searches as you can. If you can find a good engineering shop that does bearings/seals/etc, take yours in for matching.
Kawasaki KR250 Tandem Twin (x4) & KS-II 80,
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StotheH
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Post by StotheH »

How vital is the main crank case gasket thickness? If it's super important, what thickness paper should I use?
98' VFR800Fi
75 KH400
84 KR250
dougindoors
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rebuild

Post by dougindoors »

hi check out my post finally started, dont make the same mistakes i did by trying to cut corners and save money it will come back and bite you, renew ALL the bearings making sure the main bearings are the correct grade not just standard roller bearings, also do ALL the seals, if the o rings look good used a smear of 3 bond. also thats what i used on the crank case halfs without any probs, good luck with the build.
1984 Kawasaki KR250A
no projects, OOPS!1987 Kawasaki AR125B4
Every 2 in 1 poeple are schizophrenic
If you can not fix it with a hammer it must be electrical
2 Smokey and they bandit
miuganlee
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jhjjh

Post by miuganlee »

Good..
miuganlee
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www.paragonremodeling.com

Post by miuganlee »

You should visit to above mentioned site for getting useful info regarding rebuilding. Thanks in advance...






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Post by Luders »

fu*king spammers [-X
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Post by Top-shaggy »

Luders wrote:fu*king spammers [-X
Good !
=D> =D> =D>
If it takes more than 2strokes then your just playing at it..
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Post by 500bernie »

Top-shaggy wrote:
Luders wrote:fu*king spammers [-X
Good !
=D> =D> =D>

Ban
Ban
Ban
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Post by the KR kid »

500bernie wrote:
Top-shaggy wrote:
Luders wrote:fu*king spammers [-X
Good !
=D> =D> =D>

Ban
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Ban
x2
Stop annoying me, I'm running out of space to hide the bodies!

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ban

Post by dougindoors »

ban
ban
ban
good
good
good
1984 Kawasaki KR250A
no projects, OOPS!1987 Kawasaki AR125B4
Every 2 in 1 poeple are schizophrenic
If you can not fix it with a hammer it must be electrical
2 Smokey and they bandit
dougindoors
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Posts: 364
Joined: Wed Jun 03, 2009 9:12 pm
Location: rochester kent

Re: ban

Post by dougindoors »

dougindoors wrote:ban
ban
ban
good
good
good
there all done feel better now back to bikes :lol:
1984 Kawasaki KR250A
no projects, OOPS!1987 Kawasaki AR125B4
Every 2 in 1 poeple are schizophrenic
If you can not fix it with a hammer it must be electrical
2 Smokey and they bandit
User avatar
Top-shaggy
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Re: ban

Post by Top-shaggy »

dougindoors wrote:
dougindoors wrote:ban
ban
ban
good
good
good
there all done feel better now back to bikes :lol:


=D> =D> =D>
If it takes more than 2strokes then your just playing at it..
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