1979 Ski-Doo Supplementary Shop Manual, Page 204Get this manual
SECTION 08 SU B-SECTION 04-04
1979 IGNITION TIMING SPECIFICATIONS
ENGIN TYPE IGNITION TYPE DIRECT MEASUREMEN B.T.D .CINDI RECT EAS REME NT B.T.D .CEDGE CAP
247 248 294 343 354
Breakers Breakers
6.6 mm1.5 L260".060) 9.0 mm ::t::2.0 (.354" :!: .080) 9.0 mm :!: 2.0 (.354".080) 8.0 mm 2.0 (.315" 2: .080)
3.98 mm :!: 0.25 (157" .010)
N.A2.29 mm0.25 L090" .010) 2.49 mm0.25 L098" :!: .012) 2.46 mm 0.25 L097" .010)
N.AN.AN.A1.39 mm 0.25 L055" :!: .010)
Breakers
Breakers