1985 Ski-Doo snowmobile Service Manual, Page 461Get this manual
SECTION 09 TECHNICAL DATA
SAFARI 377
SAFARI 377E
CD NGK SR BES
FORMULA SS
FORMULA SP
NGK BR 8ES
FORMULA MX
FORMULA PWS
NGK SA 9ES
NGBR 9ES 0400161 23'
NGK BR 9ES 040
NGK 8R 8ES
NGK BR 9ES 040
NGK BR 9ES 040
040 101676 10691 NA NA LS '20- '60 HS 28.2 009 020 NA 013 245
0.40 0161
2.3' 1.0901 N.A N.A L.S '20'80 H.S 2.84.2 0.2' 03' NA 023 0.43
NA NA LS '20 'BO HS 2842 02' 03' NA 023043 245 455 K
23' 1.0901 NA NA LS '20 HS 28 '60 2