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    2001 Yamaha 50hp tlrz 2 stroke with prime start system starts and dies

    Well after replacing the center carb and rebuilding the top and bottom carbs the engine fires right up in the normal position, runs for about 30 seconds and dies. No sputter at all it's as if you turn the key off. It will fire right back up again, run for about 30 seconds and die. Have checked...
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    2001 Yamaha 50hp tlrz 2 stroke with prime start system starts and dies

    The emergency position is labeled right on the engine in front of red selector switch. The manual I have is Lit-18626-06-94, 63B-28199-1F.
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    2001 Yamaha 50hp tlrz 2 stroke with prime start system starts and dies

    First, thanks for the response and let me say I think we may be talking past each other due to terminology. As I stated above, on my engine the choices for the red flip switch are Normal, Open and Emergency positions for this lever. According to your diagram 1 of these positions is "off". The...
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    2001 Yamaha 50hp tlrz 2 stroke with prime start system starts and dies

    Not sure what you mean by Off position. The red selector lever can only be switched to normal, open or emergency. I have run the motor up to about 4000 rpm in the open position while on the water and switched the lever to normal and the rpms jumped to 4500. I was not running at full throttle...
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    2001 Yamaha 50hp tlrz 2 stroke with prime start system starts and dies

    The engine is supposed to start and be run with the choke in the "normal" position. There are 3 choices via a red flip switch on the back of the middle carb 1. Normal, 2. Open, 3. Emergency. Tom
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    2001 Yamaha 50hp tlrz 2 stroke with prime start system starts and dies

    Thanks for the quick response I have checked all of those items and all is fine. I am stumped why it starts, runs and idles so perfectly with choke in open position.
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    2001 Yamaha 50hp tlrz 2 stroke with prime start system starts and dies

    I have a hard to start problem with this motor. I try to start it with the red choke lever in "Normal" position and it starts for 10 seconds, sputters and dies. If I start it with the choke in the "Open" position it starts runs and idles perfectly. I have rebuilt the carbs, set the screws on the...
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    2001 Yamaha 50 HP TLRZ 2 stroke choke position

    Just finished rebuilding 3 carbs, replaced plugs, fuel pump and filter, replaced impeller, lower unit, all hoses etc. My question is what position does the red choke selector switch behind the top carb need to be in for normal operation. I have 3 choices 1. Normal, 2. Open, and 3. Emergency...
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