Originally Posted by AI Inc
Unfortunatly that 521 a looks like it would not last a season. I bought one, opened it , put it back in the box and took it back. Told em to order me an 800
I've got 2 521a's that see use several times a week on their 6th season. I had to send one back for a tune-up last year but they are otherwise still going strong and the one I sent back had been left out in the rain. So, I'd say they hold up pretty well.