Yamaha 90hp 1998

by Terry
(Jacksonville fl)

Starts up perfect but will only run at about 2000 rpm for about 5 min then if shut off and wait 5 min it runs perfect the rest of the day. Put in a new tank and water separator so no water in gas. Also new plugs. Any idea

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Apr 04, 2021
power loss NEW
by: Anonymous

Just found out it was the CDI unit that once it warmed up it started working, its usually the opposite.

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