i had a srm 210 and it was 7+ years old that had no problems exept for last year the carberator was messng up so i got the srm 251e and so far it is very good.
Pat's Perfect Lawn Service
52" Hustler Super Z
36" Bobcat Ransome WB with Sulky
36" Wright Stander,
52" 2013 Scag Zero Turn