View Full Version : Yamaha 250 HPID rapid RPM increase
08-12-2009, 10:44 PM
"Yamaha 250 HPID 2004, I experience a rapid increase in RPM at about 2500 RPM. RPM increase rapidly but boat slows.
Can anyone advise me of possible cause?"
08-17-2009, 09:13 AM
Check for a spun prop."
08-17-2009, 11:50 AM
Thanks Brian. I found a test for Spun Hub and you are correct. I purchased a new prop and am back in the water. I took a test runn plus some fishing rods and caught two nice rock fish. Great day for me. Thanks again.
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