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'82 650GL project bike, crankcase, and GL to G conversion

  • Thread starter Thread starter jlvdo
  • Start date Start date
J

jlvdo

Guest
Hi ever'body,
I'm new to this forum and this model of bike. I've just been given an '82 GS650GL\\:D/. Downside, it doesn't run! The last owner put in the oil filter backwards:shock: and, well the engine fried. Which leads me to a couple of questions:

1) I'd like to keep the VIN # of the original engine. When I purchase the other engine, could I mate the top half of the original crankcase with the rest of the "new" engine without creating a new slough of problems?

2) Anyone know where to obtain a good functioning, reasonably priced engine?

3) While the GL version is classic, I particularly like the GS650G version (e.g., see: http://www.hoohoohoblin.com/SuzukiGS650G.html ). Is replacing the bodywork of the GL w/the G feasable? I suppose if the frames are the same, it would be. If this is feasable, pls disregard #1 above.

4) The mags are really nice. I'd like to put some tubeless tires on these rims. Anyone know if that conversion is possible?

I look forward to riding the GS in whatever form it turns out, and thanks for the help!
 
You shouldn't mix and match split crank cases. They are made to match. Is the old engine froze?
 
Cutting off the numbers from one engine and grafting it onto another would be not only highly difficult, but completely illegal.
 
chef1366 said:
You shouldn't mix and match split crank cases. They are made to match. Is the old engine froze?
Click to expand...

Yes, the crank is frozen. The match issue is the one I was concerned about.
I haven't split the cases yet, but sans the heads/sleeves looking down into the case, the crank is completely immobile.
Looks like I need a new engine?
 
Last edited:
Casino Joe said:
Cutting off the numbers from one engine and grafting it onto another would be not only highly difficult, but completely illegal.
Click to expand...


hey joe, please read a lil' more carefully... nobody is talking about cutting anything...[-X
 
jlvdo said:
hey joe, please read a lil' more carefully... nobody is talking about cutting anything...[-X
Click to expand...

Sorry, I had a little too much whiskey before posting last night. :oops:


Sent from my iPhone
 
jlvdo said:
Yes, the crank is frozen. The match issue is the one I was concerned about.
I haven't split the cases yet, but sans the heads/sleeves looking down into the case, the crank is completely immobile.
Looks like I need a new engine?
Click to expand...
Do you have a roller bearing crank?
 
If you seized a rod and did not gouge the cylinders I'd say you can reuse it. If you burned the crank bearing journals I'd say junk it while possibly using the top end.
 
chef1366 said:
If you seized a rod and did not gouge the cylinders I'd say you can reuse it. If you burned the crank bearing journals I'd say junk it while possibly using the top end.
Click to expand...

"Shaft drive 650's are plain bearing.

Engine might be salvageable. Only way to know is to take it apart."


I'll open the case and take a look. Thanks for the input!
 
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