auto-tune

have a 545 auto tune that i got from a coworker and I couldn't seem to figure it out. I changed the top end since it was toasted, after the topend it started and ran well for all of about 5 mins then saw would start run for a coupler of seconds and cut out. so I took it to the shop in town and...

So recently l have been trying to get a better understanding of the technical side of autotune... I've been quite surprised by how little information is out there, especially from Husqvarna themselves. Types of things I'm curious about include; What revisions are there & what changes do the...