What seal are we talking about here? This is a 550, there isn't one in the outer cover. Oh and if you want to make your 550 capable of 115mph,...
Glue the gasket to the cover with high-tack spray gasket sealer, smear a thin amount of silicone grease or even motor oil on the other side and...
Yes it will provided it is in neutral (and the neutral switch is working.) Bike will start just fine with sidestand down, then die when you drop...
Which manual are you using?
Depending on location, NOT using it is not always an easy or readily available option. It is only recently that non-ethanol gas has become more...
Correct. Cranks and bottom ends way too different. If you want to make a "monster" 550 you'd need to stay within the same family of motors, as...
no it wouldn't. "as tight as he could get them" could mean anything. Further, if the 50 miles weren't one big ride, he MAY BE able to get away...
Can't help with most of those, however: be sure you apply Yamabond or equivalent as specified in the manual around the crank bearing oil...
K-Moe has a valid point. Disassembly simply for cleaning, especially disassembling things without knowing what you're doing can get expensive and...
if they were Mikunis, yes. Since it's a 1980 XJ650 I believe we are dealing with Hitachi carbs here.