All but the two smallest of mine are logging saws. None are very new except the smallest one for trimming small limbs. All of them work very well, IF, ya keep them sharp. All start easy and run great. Never had any trouble with any of them, so far......
1- Stihl .051
2- Homelite 925
1- McCulloch 850
1- McCulloch 610 (the 5 cu. in. one)
1- McCulloch MS 1432