2002 yamaha115 in June had trouble with getting the motor over 3500 rpms. Had injectors cleaned and installed a new vst filter.
New Problem - Motor is loosing power when moving over 5,000 rpms, it may be happening at slower speed but it is not noticable. Enginer seems to be running fine at high...
Just put boat in water after winter. Ran well for about ten minutes then purposely slowed down to 8-10 mph for 15 minutes (no wake zone). When tried to accelerate engine would run good up until about 3500 rpm's after that the engine would not accelerate and would slow down when increasing...
