^^^ Good eye
It is indeed an 85 with title, and modded to fit an 87+ motor. It has the 87 in it now. Local guy, love it! Maybe meet up at browns camp or sand lake sometime? Id be happy to share the pics, i have the top end off right now. I may need a jug at some point in the near future
I found out some info on the bike. It's an LRD build. not sure if it has been re-sleeved or just punched out, guessing re-sleeved but can't say for sure. It's using a Yamaha piston with a 69.5mm piston. Largest I know of for these are 69. Serial number is a wiseco yamaha piston. I pulled the top to do a head gasket as I saw a leak. Getting info from the builder is like finding hens teeth. Not sure if I can go bigger or i should find another jug and have it bored/hone/new piston kit and find an intake/reed cage. For now I think just going to run with the bore it has, it sounded great and had awesome compression.