1994 Johnson/Evinrude "ER" CV 85 thru 115 outboards Service Manual, Page 65Get this manual
Pulse Limiter Fitting
f5l The pulse limiter fitting for the VRO pulse hose has an integral
A clogged check valve will limit fuel and oil supply, causing serious powerhead damage1Remove the pulse limiter fitting from the crankcase
check valveThe check valve is not serviced separately, but must be clear to allow normal pump operation
f61 2Backflush the valve with OMC Carburetor and Choke Cleaner to remove any carbon depositsIf you find excessive carbon deposits, check the engin.e for causes of backfiring: Linkage adjustments incorrect Engine temperature incorrect Crankcase air leaks Carburetor problems Extended use of flush ing attachment
3Clean the threaded portion of the fitting and apply OMC Pipe Sealant with TeflonInstall the fitting, and secure the pulse hose with clampPump For function tests of the System, this sectionpump, refer to Testing Fuel