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- Wed Oct 23, 2019 1:17 pm
- Forum: REPAIRS and MODIFICATIONS
- Topic: 1987 Johnson V4: Pressure at Crankcase Port to VRO Pump
- Replies: 1
- Views: 9104
1987 Johnson V4: Pressure at Crankcase Port to VRO Pump
Good Morning. What is an acceptable pulse pressure at the output crankcase pulse port [that drives the VRO oil mixing fuel pump] on a 1978 J110TLCUR Johnson outboard engine? At idle my engine has a pressure there of 3-PSI. Is that normal?