Good Morning,
Last week, I was out cruising the ICW as I haven't been out in a month or so due to weather, work, etc. On my way back to the ramp I noticed my port motor (I have twin Yamaha 2012 F150 4 strokes with approx. 590 hrs.) rpm's started to fluctuate without any movement of the throttle. The rpm's were at 1300 then dropped to btw 1000-1100, then down to 700-800 to then back up to 1300. I started to get worried so I gave the engine gas/throttle and it held fine at 1500 and 1700 rpms. This happened a few times on the way back until I reached the ramp (but noticed it was only at that current RPM of 1200-1300). At the ramp, when putting the boat on the trailer and just in gear there were no issues. I have asked several friends, other Yamaha owners, etc. and have heard things such as the primer ball, fuel water separator or the TPS. I haven't had a chance to look into yet but will soon. I was wondering if anyone has experienced this issue and/or has any idea to what it may be.
Last week, I was out cruising the ICW as I haven't been out in a month or so due to weather, work, etc. On my way back to the ramp I noticed my port motor (I have twin Yamaha 2012 F150 4 strokes with approx. 590 hrs.) rpm's started to fluctuate without any movement of the throttle. The rpm's were at 1300 then dropped to btw 1000-1100, then down to 700-800 to then back up to 1300. I started to get worried so I gave the engine gas/throttle and it held fine at 1500 and 1700 rpms. This happened a few times on the way back until I reached the ramp (but noticed it was only at that current RPM of 1200-1300). At the ramp, when putting the boat on the trailer and just in gear there were no issues. I have asked several friends, other Yamaha owners, etc. and have heard things such as the primer ball, fuel water separator or the TPS. I haven't had a chance to look into yet but will soon. I was wondering if anyone has experienced this issue and/or has any idea to what it may be.
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