Recent content by 79Dano

I am looking on eBay for a replacement generator rotor (armature or field coil) for my79 XS650. I have seen several ads for parts with description Rotor - B. Some of the ads do not indicate the year the parts used so not sure what to look for. The parts look like mine but want to buy the...

I am rebuilding my 79 XS650 which had frozen motor. I got it all apart and am considering boring to 80mm but am wondering what else is needed to do a quality job? Are the standard cylinder studs able to handle the increase separation force? A friend mentioned I may have to change timing...

Thanks for the info. I just looked a info on Biker.net. It has great info. Another question. Where can I get paint code number for 79 Special II (black) so I can get paint mixed up?

I am rebuilding a 1979 650 Special II. The bike had frozen engine. I have taken apart but broke a piece from cylinder cooling fin so am looking for another on eBay. I noticed some sellers indicating that the cylinder is for a YM159B, or YM252B, or SM254 engine. What are these designations...