xs400

Hey Guys! purchased an old tired 1978 xs650 standard about a year and a half ago as my first bike. Used this bike to get my license, and rode it a good amount before getting tied up in other hobbies over the fall/early winter. after sitting for a few months, and friends making fun of my "POS"...

hey i was wondering if anyone has successfully done a pma swap on the 400 using the banshee or the HHB kit?? Ive been all over the forum and the topic has been dead for years on there

so i picked up a 1984 yamaha maxim 400 and it leaked allot of oil and would rev to about 8000 then pop and sputter a bit so here is what i did i took the hole top end of the motor off took pistons out cleaned them and put it back togather allso to note i took one piston out at a time. put it...