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1992 johnson 175 warning buzzer

stevebat

New member
My warning buzzer is going off after engine warmup kind of fades in and out at idle ,throttle up and it quites for a second the get louder and steady
water from pump sensor spray is good but dosent seam to get warm at all .could the thermastat not be opening ?Engine is also running a little rough
kind of like it dose sometimes at warmup just before it idles down when warm.
 
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Thanks i will try that ,the impeller is about 4 years old
but only has a few hours on it thermastat has never been changed to my knowlage.
i have owned it sence it was new.
 
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