1974 Ski-Doo Shop Manual, Page 248Get this manual
NOZZLE CHECK VALVE INSTALLATION POSITION
Tabs in line with
bore GIL
shutter
Applicable on: HD-124-A HD-133-A HD-138-A
Applicable on: HD-124-A HD-133-A
Applicable on: HD-138-A
NOZZLE CHECK VALVE PRESS DEPTH SPECIFICATIONS
Bottom of carburetor
Main Nozzle Nozzle shoulder flush with well floor Not applicable
Bottom of carburetor
Main NozzleDischarge Tube Not applicable