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Evinrude v4 90hp 1995 Cross flow - starts but not running. Misfires

slavau

New member
Hi all,

Please help me to work out the issue with my outboard. Went out on the water today, started motor with difficulty but it would not stay running in idle speed. Revving it up did not sound right either. Sounds like misfiring too. I have a diff in compression between left and right cylinders (125 Left and 110 Right) planning to rebuild in a few months, but compression is same since i bought it. new spark plugs, have just used sea-foam to clean it (1 Gallon of premium gas + a bottle of sea-foam). Nothing else changed really. I can see sparks jumps (1cm) but seem like in strange sequence, i.e. it would stay off for a few seconds and then fires. Checked all the leads and connectors - seems file.

Once out of the water on muffs it runs but still misfires. Please help me to diagnose the issue.

Video of it running on land:

Thanks !
 
I will need to buy one first, never used it before. Any specific things to look for, or maybe you can point me at the instructions from evinrude . Thanks
 
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