Yamaha 225 2stroke cuts OFF after 4000rmps

hangman1176

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Dec 11, 2007
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I have a '97 225 Saltwater Series 2 stroke. I ran it last weekend without a problem. Started the motor up and went 4-5 miles when it cut out around 4200 rpms. The motor shut off ---no alarms, no idiot lights went on----nothing. As soon as the boat stop I tried the iginition and it started up without hesitation. (I thought I might have bumped something so I took off and got up around the same rpms and within a minute the same problem occured. I started the motor up and idles fine and ran it to 1500 rmps and went home. Checked the basic plugs and replaced filter and still the same problem. Any ideas???? The fuel was the same i used last weekend. The primer bulb is not colapsing.
 
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