1978 Ski-Doo Shop Manual, Page 355Get this manual
SECTION 08 SUB-SECTION 04-05 (
MIKUNI CARBURETOR SPECIFICATIONS
1.5 2.0 3.5 2.0 3.5 3.5 1.5 3.0 3.0 2.5 3.5
260 260 220 220 250 300 320 450 320 370 240
159 P-6 1590-0 1590-0 159 P-2 1590-2 1590-2 59 P-O 159 P-4 159 P-6 159