1997 Ski-Doo Factory Shop Manual Volume Three, Page 84Get this manual

1997 Ski-Doo Factory Shop Manual Volume Three, Page 84

Section 03 ENGINE Sub-Section 05 (OIL INJECTION SYSTEM)
WARNING

Ensure not to operate carburetor throttle mechanismSecure the rear of the vehicle on stand
CHECKING OPERATION
On Vehicle
NOTE: Main oil line must be full of oilSee bleeding procedure aboveLift rear of vehicle and support with mechanical standUnplug oil lines from pumpStart engine and stop it as soon as it firesCheck that oil in small oil lines has been sucked up (this will be indicated by clear section of small oil lines)Repeat the procedure until this condition is attainedReconnect small oil lines, start engine and run at idle while holding the pump lever in fully open positionOil columns must advance into small oil lines
If not, remove pump assembly and check the pump gear and drive shaft (if applicable) for defects, replace as necessaryTest pump as describes belowNOTE: Through normal use, oil level must not drop in small tubesIf oil drops, verify check valve operation in injection nozzleReplace as necessary