12 – English
Displacement Bore Stroke Max. power at
Bar length Chain speed Chain pitch Drive link gauge
Spark plug gap Ignition system Air gap Carburettor
cm
3
mm mm r/min
mm/inches mm/inches
cm/inches m/s inches mm/inches
TECHNICAL DATA
281XP 81 52.0 38.0 9000
288XP 87 54.0 38.0 9300
394XP 94 56.0 38.0 8800
3120XP 119 60.0 42.0 9000
281XP 0.5/ .02 SEM AM 7 0.3/ .012 TILLOTSON HS 228
288XP 0.5/ .02 SEM AM 7 0.3/ .012 TILLOTSON HS 228
394XP 0.5/ .02 SEM AM 44 0.3/ .012 WALBRO WJ 39
3120XP 0.5/ .02 SEM AM 37 0.3/ .012 WALBRO WG 6
281XP 38-71/15-28 20.0/9000 rpm 3/8 1.5/ .058
288XP 38-71/15-28 20.7/9300 rpm 3/8 1.5/ .058
394XP 46-91/18-36 19.6/8800 rpm 3/8-.404 1.5/ .058 - 1.6/.063
3120XP 60-107/24-42 20.1/9000 rpm .404 1.6/ .063
Eng, p 2-39 96-09-13, 09.4312