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300R Question
Is it ok for dealer to leave the fuel primer bulb used for the Optimax in the fuel supply line from tank to engine? If not , what problem could it cause?
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You are supposed to have 3/8” fuel hose from tank to motor. With the bulb you may be starving the motor.
If I remember right the out side of bulb is 5/16”
Last edited by spider1; 12-05-2018 at 05:47 PM.
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Mercury 3L/4 Stroke/Verado Moderator
That engine requires 3/8" line straight from the tank to the engine. NO BULB.
Improper rigging (or damage caused by improper rigging) is not covered under the Factory Warranty.
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It has 3/8" line but , I noticed the dealer left the primer bulb in line. I'll remove it.
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I would replace the complete fuel line with a single hose. No splices