1990 Johnson Evinrude "ES" 60 thru 70 Service Manual, P/N 507873, Page 73Get this manual
7The tests in Step indicate the pump is operating normally and the variable ratios are within specifications If the pump fails any of these tests, check the pulse limiter fitting before replacing the pump 9If you replace pump, carefully cut the hose to avoid damaging the fittingWhen installing, use ratchet style clamp on the oil supply hoseTorque the screws, pump-to-bracket, to 18-24 inIbs(2-3 Nm)
INotel When
installing oil supply hose, be sure connections are airtightPoor connections could cause serious powerhead damagePulse Limiter Fitting
f6l The pulse limiter fitting for the VRol pump pulse hose has an
integral check valve The check valve is not serviced separately, but must be clean to allow normal pump operationmight restrict VRol pump fuel and oil supply, causing serious powerhead damage