tstidham

The 400s are great beginners bikes and just great bikes all around. I used to ride in my late teens to early 20s 40 years ago and...

Maybe check the voltage output at idle? I know I have to rev mine above 2k rpm on the first start to excite the alternator and get it...

I have a 78 and used 26mm, other years have spec'd 32mm (or maybe that's the dohc bikes). Many forum members prefer the tubing method of...

Technically it shouldn't matter as the float level should exert enough force to seal the needle and seat, however if the level is wrong...

Check the float heights would be my first step. And also check the petcock is shutting off fuel as well.

Pb blaster claims to rejuvenate rubber, maybe try soaking the boots down and putting them in a zip lock bag or something to slow...

Good catch and now you don't need to do that crankcase cleaning flush!