This engine is gross. I don’t even know what all this stuff is. Doesn’t look like rust. Might be clutch material or something. Nothing looks pitted so far. The clutch basket looks hairy, but it all seems to wipe off. There was so much varnish from old oil that the shift mechanism was stuck. After soaking it over night in PB Blaster, it came free and I was able to unscrew the top (reverse threaded) with a modified 11mm wrench. The gears were also glued in place. I got them spinning first, then was able to get them out one by one, then I got the whole shaft out with some head and a hammer.
I went ahead and ordered all new bearings along with a new cruciform, castellated nut and washers. Once I get things cleaned up, I’ll measure the transmission shaft to make sure there’s not too much wear there. That and the connecting rod big end are the only things that I think could be concerning.
Some of these nuts require special tools too, so those were in the last order. The nut on the clutch basket is a special castellated thing, requiring a special tool, and I think is reverse threaded. Same goes for the output shaft bearing which is reverse threaded and requires a special 9 pin tool. I’ll be popping some of this in the parts washer today.
