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Christina WilliamsAug 1, 2025
Why ProBoat Blackjack 55 engine will not start?
- MMitchell AllenAug 1, 2025
There are several reasons why the engine might fail to start. It could be due to an improper needle setting (refer to the Zenoah engine manual; baseline settings are 2 turns out for high-speed, 1 turn out for low-speed), or the fuel tank may be empty, so you should fill fuel tank. Make sure you are using the correct fuel mixture (fresh gasoline mixed with Zenoah 2-cycle oil at a ratio of 32:1). A bad spark plug can also prevent the engine from starting, so consider replacing it. Finally, if the engine is flooded, remove the spark plug, invert the boat, and operate the pull-starter to remove excess fuel.
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