its the PDS housing (Primary Drive Shaft)
exploded views and parts breakdowns can be had at volvopentastore.com
here is a thread where I changed the bearings in my PDS. https://forums.iboats.com/threads/pds-shaft-issues.687012/
yours will be similar
Your 38 year old boat may had structural issues. Look for signs of rotten transom, stringers and deck before adding a tow rated tower or pylon.
A good tower is about $5k or more
Generic towers can be hard for about $2k
Adding a tow tower or pylon will require adding appropriate structural...
You can't download legit mercury manuals for copyright reasons. However if you join AOMCI.org, there are old manuals posted for members.
99% of the sites that claim you can download are scam sites
depending on what your budget is, a good LiFePO4 or a good AGM group 27. as far as placement, if its just you in the stern of the canoe, put the battery under the foreward seat for balance. if its two people, put the battery in the center.
make sure its strapped in. canoes tip
no need. a 11" clutch flywheel is 168 tooth, a 10" clutch flywheel is 153 tooth. sometimes incorrectly called a 14" flywheel and 13" flywheel
been that way since the birth of the SBC/BBC all SBC/BBC ring gear pitch has been the same since the beginning as well. copied over from the early...
if the flywheel housing is set up for the 168 tooth flywheel, then yes. the motors are internally balanced which is why the crank changed from the non-balance shaft motors to the balance shaft motors.
Your 1984 is an AQ series drive. If it's a 290, it's aa much better drive than a bravo, and 10000 times better than an alpha
Only way to bolt in a Mercruiser in that boat is if you redo your transom
You already bought it. You have buyers remorse.
Worrying about what something cost 15 years ago after you may or may not have over paid is like worrying about a grenade after you pulled the pin and tossed it.
I bought a used boat 15 years ago, sold it 3 years later for 85% of what I paid...
only one boat out of about a million only had a soft deck and not need transom, stringers, and new foam.
all the information you need is in the stickies at the top of the forum. 4th sticky down, links 14, 15, 18, 2, 3, 4a, and 4b.
no need for epoxy
