So here is a quick walk though putting crank seal in the clutch side of a G1.
Step 1. remove the gas tank
Attachment 42603
Step 2. remove the outer clutch cover via the Phillips head screw
Attachment 42604
Step 3. Remove the long bolt holding the outer clutch plate one (7/8" head)Remove the outer clutch plate
Step 4. Remove the drive belt and starter belt.
Attachment 42605
Step 5. Using a clutch puller (can be bought or you can make your own. I bought mine) remove the inner clutch plate/shaft
Attachment 42606
Step 6. Remove the oil pump gear housing and pull BOTH the inner and outer housing off of the engine case
Attachment 42607
Step 7. run a screw into the seal and using a claw hammer pry the old seal out.
Step 8. put the new seal in (put some oil on the part of the seal where it slides on the crank shaft to keep it from catching and tearing).
Step 9. Reinstall everything the way it came off.
Hope this helps
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http://www.buggiesgonewild.com/gas-y...-fan-side.html
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