1997 Johnson Evinrude "EU" 90, 105RW, 115, 150, 150W, 175 60 LV Service Manual, P/N 507268, Page 78Get this manual

1997 Johnson Evinrude "EU" 90, 105RW, 115, 150, 150W, 175 60 LV Service Manual, P/N 507268, Page 78

Pulse Limiter Fitting

The pulse limiter fitting for the VRO pulse hose has an integral check valveThe check valve is not serviced separately, but must be clear to allow normal pump operation

clogged check valve will limit fuel and oil supply, causing serious powerhead damage1Remove the pulse limiter fitting from the crankcase2Backflush the valve with ave Carburetor and Choke Cleaner to remove any carbon deposits

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