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1981 Johnson 90 V4

camjules

New member
Hello, I specifically have J90TLCIM motor.


I am having low end bog....when first getting to lake the motor will throttle gradually fine. After 10 minute cruise, I will stop and hang out for 20-30 minutes, when I start the motor again to leave , it will bog and die unless I hammer the throttle.

When hammering on throttle from a stop to keep it from dying, it does not sputter or produce alot excess smoke, it goes "bwhaaaaaa!" And takes off strong without hesitation.

I just finished cleaning and rebuilding the carbs, I have fresh fuel, it did not help and the same problem exists.

Timing? Fuel pump? Plugs? Ignition?

Any advice would be helpful.
 
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