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Recent content by Katyjinny

  1. K

    1987 Johnson 150 hp RPM reduced with Cowling on

    The engine has done 180 hours from new. To keep tick-over at around 1000 on the water it has to be set at 1500 with the cowling off. As soon as the Cowling is replaced the revs drop. The only possible answer I've found on the forums is a leaking exhaust gasket but there are no visible signs to...
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