1999 Ski-Doo Factory Shop Manual Volume Two, Page 149Get this manual
Section 04 ENGINE Subsection 06 (OIL INJECTION SYSTEM)
Test Bench Connect hose filled with injection oil to main line fittingInsert other hose end in an injection oil containerUsing counterclockwise rotating drill rotate pump shaftOil must drip from outer holes while holding lever in fully open positionIf not replace pump1 2
A15C18A