77 cc
STIHL 029 SUPER 56.5CC 3.8HP
maybe baby.
45.6 cc
51.4cc
stihl 056 mag II are 93.4 cc 6.8 hp
the stihl website has all the info you are looking forhttp://www.stihlusa.com/stihl_ownersmanuals/029_039_Manual.pdf
approx 93cc engine
2.5ci/41cc/2.4 hp
STIHL 050 ccm: 89 PS: 5,8 Kg: 10,7 Bj. ab: 1968
56.5cc, 3.0kw, 4.1hp, 13000 RPM.
Bet you did not think someone would tell you where! I have worked on them years ago. See link below for specs.