Ok, so I bought a 1990 Bayliner Capri with a Force 120 for a smoking deal of $500...lower unit was locked up, but I found a dude on eBay that's hooking me up with a good used one for a deal too good to pass up. But, before I dropped cash on the motor, I decided to do a leak down test so I wasnt throwing good money after bad...cylinder 3 had 70% leakage, all other 3 were under 10 and nearly snapped my wrist off when it the crank snapped to from the pressure...so they're good. Pulled the head and...Holy hell, piston's beaten like someone forgot a bolt in the cylinder after a rebuild..fairly fresh looking cross-hatching so I'm assuming it was rebuilt fairly recently. Pretty harsh lateral score on the sidewall of #3 and it looks like someone attacked the top of the block with a grinder. Fairly even but it looks like garbage and doesn't seem like it would do a very good job of sealing up. No signs of leaking or blowby on the part of the head gasket but still....what's the best bet here? Have the block bored and run the next largest piston? The scoring on #3 is the most concerning to me and the piston is shot. But should I be worried about the mating surface on the head? It's been working thus far, and part of me is saying if it ain't broke, don't fix it... And can you buy just the block? I've found the entire freaking assembly on eBay for like 4k but...at that rate, I'd buy a different motor. I attached some pictures of the piston and block for a bit of reference. Thanks for any input anyone can give...and like everyone else....money is a concern here, so just dropping several grand on a new motor isn't exactly a reality.
