1974 Ski-Doo Shop Manual, Page 240Get this manual
IGNITION GENERATING COIL, LIGHTING COILBRAKE LIGHT COIL RESISTANCE CHART
FOR '74 MODELS
ENGINE TYPE IGNITION GENERATING COIL LIGHTING COIL BRAKE LIGHT COIL
250 250T 250DL 294SS
247 248 248 294 302 338 .401 434 294
3.4 1.15 1.15 1.15 3.4 2.35 2.35 2.35 1.15
.45 .45 .45 .45 .45 .40 .40 .40 .45 .40 .40 .14
1.85 1.90 1.90 1.90 1.85 170 1.70 1.70 1.90