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ContinuousWave: Whaler Performance
Yamaha 40- What does this switch do???
|Author||Topic: Yamaha 40- What does this switch do???|
posted 05-11-2003 11:21 PM ET (US)
Just got done re-rigging my 13. Everything is running well, but I have a question. Under the key on the controls is a black momentary contact switch. What does this do? I flipped it twice, and the engine sounded better. Is this some sort of choke? If it is, how many positions are there. By that, I mean how do you know when it is se3t correctly? I ask this because it seems to change the tone of the engine every time I accuate it. Hope this makes sense, but I have always wondered what it does. Thanks for the help.
posted 05-12-2003 01:00 PM ET (US)
Sounds like the Choke to me... Once the engine is warmed up, I bet pressing it slows the engine down...
posted 05-13-2003 10:48 AM ET (US)
That is the choke, just hold up and she activates, release and she deactivates. remove the hood and watch the front of the carbs if ou can, you will see the butterflies open and close. I personally think this is a pain in the finger and use the choke switch mounted on the engine instead.
posted 05-20-2003 08:33 PM ET (US)
I have run a '93 Yam 40hp on my ('64) 13' since new. This is an awesome little engine. Yes, that is the manual choke. When starting, lift the toggle up. Once she fires, let it go and use the neutral idle throttle to adjust the rpm's (it only takes a couple of seconds). Enjoy your new motor. Take care of it, and it'll take care of you.
posted 05-20-2003 11:32 PM ET (US)
Thanks for all the replies on this- I figured it out once the air silencer was off- it was pretty obvious.
By the way- this is not a new motor- I have had it since 89. I just don't have the manual, and never knew what that switch did. I figured since there was a manual choke on the engine, there would be no reason for a second choke. Guess I was wrong.
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