recent purchase 1989 merc. 80 hp #oc204123 had low comp. decarbed now 90 lbs top # 1 cyl 100 # 2 105 # 3 tested warm all 3 plugs out. boat has no tack. had boat on trailer in water decarbing while running it doesnt seem to rev. high enough. spraying decarb into carbs on lower 2 carbs would try to stall '
top carb it didnt seem to make a difference. I tested coils with tester from coil to plug and got 7/16 spark while plugs still screwed into head. What should i test next ? I have merc. service man. no index no part #s very little trouble shooting. Thank god for this forum.
top carb it didnt seem to make a difference. I tested coils with tester from coil to plug and got 7/16 spark while plugs still screwed into head. What should i test next ? I have merc. service man. no index no part #s very little trouble shooting. Thank god for this forum.