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2007 TLR 90 Yamaha 2-stroke

Old 04-24-2019, 07:33 PM
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Default 2007 TLR 90 Yamaha 2-stroke

I have a 2007 2 stroke 90hp and the engine only has 130 hours on it. However, when I’m riding the engine will feel like it doesn’t get fuel. Ran the boat 2 hours and only happened twice. RPM doesn’t matter. The only thing I do to fix the problem is pump the fuel ball and the motor goes back to being perfect. Please let me know if y’all have had similar issues or know how to fix it
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Old 04-24-2019, 07:43 PM
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Originally Posted by nicresch View Post
I have a 2007 2 stroke 90hp and the engine only has 130 hours on it. However, when I’m riding the engine will feel like it doesn’t get fuel. Ran the boat 2 hours and only happened twice. RPM doesn’t matter. The only thing I do to fix the problem is pump the fuel ball and the motor goes back to being perfect. Please let me know if y’all have had similar issues or know how to fix it
i have the same motor....check the quality of the fuel in your tank make sure there is no water in it, make sure the fuel supply line is not gummed up inside, pull all 3 carbs off and clean them.
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Old 04-24-2019, 07:58 PM
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Sometimes when fuel line gets old it can collapse and cause a restriction. I have even seen two stage fuel line... meaning there is an outside covering over the inside hose.... the inside could be collapsing if it is two stage line. I would replace them and then also replace the boat fuel filters as well.
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Old 04-24-2019, 08:00 PM
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Vent?
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ebert is offline  
Old 04-25-2019, 01:18 PM
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If you feel pressure being relieved when you open the gas cap, then your issue is probably due to lack of venting. That will kill your fuel pump eventually because it's constantly working against a vacuum.

If the tank appears to be venting properly, then look for leaks in the fuel system. Take off the cowling, and pump the primer bulb while you look at the fuel pump. You might see fuel leaking out, in which case you'd need to replace the gasket. If it's not that, start replacing hoses going all the way back to the fuel tank. They're cheap.
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