View Full Version : Yamaha RPM Problem
Marc H. Gallion
08-27-2003, 02:26 PM
" Was out the other day, i put boat on plane (2000 202 ZX W/225HP YAMAHA) but could not get pass 4800 rpm n motor would run between 4400 and 4800. Then later in the day the motor ran to capacity 5900 for approx 20mins, then it dropped again to 4800. I'm thinking fuel filter or maybe clogged injector. Can anyone shed light on this problem. Thnx. "
08-29-2003, 09:01 PM
Marc... I believe that motor has a rev limiter. Maybe its malfunctioning. Worth looking into.
01-30-2006, 09:53 PM
"Sound linke an obstruction in the high speed circuit. Is it carburetted? Youu might try changing the fuel filter. Do you have a fuel water separator? Finally, run some Starbrite Startron system cleaner through the engine in a six gallon tank. That should help clean the jets. Good luck."
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