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1985 3.8 removal

Good morning all,

I’m new to the boating world. I picked up a 1985 Sylvan deck boat with an OMC stern drive 3.8 (Chevy 229 ci) V6. I need to pull the engine out. My question is, do I need to pull the drive out or can this engine be removed while leaving the complete drive in place? I’ve pulled and rebuilt many car engines over the years but have never pulled a boat engine before. Any help would be appreciated.
 
Is there a flywheel access plate? What needs to
be removed? Does the “drive shaft” slip out of a couple bolted to the flywheel? Kind of like a manual transmission coming out of a clutch disc?
 
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If you can get to the bottom of the dust cover and remove the bell housing bolts AND IF THE COUPLER IS NOT RUSTED TO THE INPUT SHAFT motor pull forward and up /out
 
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