2001 Ski-Doo Factory Shop Manual Volume One, Page 152Get this manual
Subsection 06
Section 04 ENGINE (OIL INJECTION SYSTEM)
Test Bench Connect hose filled with injection oil to main line fittingInsert other hose end in an injection oil containerUsing clockwise rotating drill rotate pump shaftOil must drip from outer fittings while holding lever in fully open positionIf not replace pump