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Chrisj796

Member
Anybody have a trick for the original case gaskets, blue felpro gaskets came off like butter but the original black case gasket it not budging, tried a razor, wd-40 an have it soaking in penetrating oil now.
 

Gary

Well-Known Member
I have had to resort to using this and a razor blade. But be careful it removes paint too. O'reillys carried it I'm sure others do too. crc.jpg
 

Chrisj796

Member
Guess it speaks for itself lol, I will have to give that a shot tomorrow. I have it soaking in some mineral spirits for the night, see if that can penetrate it any. Amazing the difference in old vs new as far as removing them.
 

Chrisj796

Member
Bottom end is done an didn’t have to purchase a thing everything looks great. now it’s on to the top end which is what previous owner pulled apart, I will have to play pick apart with spare motor as a majority of the top end is missing, I lapped valves an plan to use all the covers, an whichever cylinder is closest to spec. cam chain tensioner is junk so I will need to scan that too but other than that internally it looks good. I am going to rebuild the stator, replace oil seals an exhaust valve seal. Anyone have any suggestions on things I should replace while I have it apart?
 

kirrbby

Well-Known Member
The rounded edge of the key should go into the crank...with the flat edge sticking out. Tap it in with a plastic (soft) hammer or screwdriver handle. You could even tilt it slightly so the flywheel goes on easier.
Also make sure there is no burr, or damage to the groove in the flywheel...make sure the key CAN slide into that groove.
 

kirrbby

Well-Known Member
Also...slide the flywheel onto the shaft, then spin it around slowly...feeling for the key to drop into the keyway and the flywheel should slide in Then LOOK, with a flashlight to SEE that the key is IN the keyway (groove). Then you're in...torque it...done.
 

Chrisj796

Member
Bottom photo is spare motor which everything so far had been untouched. That key looks very low an flush compared to motor I am rebuilding though.
 

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Chrisj796

Member
There IS damage to the groove in the flywheel.
Yes looks like PO could not figure out how to get bolt off an attempted to drill or use homemade tool? I guess I will have to swap crank out with spare motor does it look correct? Key was in flywheel when I disassembled engine.
 

kirrbby

Well-Known Member
The one key you have looks homemade. The other key...low flush one...is NFG too.
Swap in the good-er crank, buy a new key, and clean up or replace the flywheel.
 

Chrisj796

Member
The one key you have looks homemade. The other key...low flush one...is NFG too.
Swap in the good-er crank, buy a new key, and clean up or replace the flywheel.
I just googled NFG lol, I guess i will be pulling that engine apart again glad I didn’t tighten anything external on case.
 
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