Wot for Yamaha 150 4 stroke

[Todd Z]

Hello, I just broke in my 150 4 strokes and was wondering what the wide open throddle should be. I tried it this weekend and hit 6000 rpms. Does that sound right?

 

[bossee]

Re: Wot for Yamaha 150 4 stroke

Hi,<br />Read in the Owner's Manual page 40. You are at the upper end of WOT RPM range.<br />

 

[rivercat49]

Re: Wot for Yamaha 150 4 stroke

Todd i also have a new f150. I just finished break-in but was only able to get to 5000 rpms at wot. I have a 19 pitch prop on a 21 ft triumph. What boat and what pitch prop are you using. Thanks Rivercat

 

[Todd Z]

Re: Wot for Yamaha 150 4 stroke

Hey Bo,Thanks for the info on motor , that a sweet cut sheet. Rivercat49 I have a 25 foot Parker with twin 150 4 strokes 17"black stainless props hit 47 mph.. when I was breaking the motors in, I heard some cavitation around 3400 rpms. And also when really hit the throddle, I heard some more more cavitation .I think they need to drop the motors one notch, they look a little high.As far as the motors, they sound so good good.At higher rpms they really wind up, and sound throaty.My boat wasn't fully loaded at the time, I hit the 6000 rpms, so I think I can deal with the slightly high rpms,but not the cavitation.Im sure the marina will take care of it.Well anyway Rivercat if I was hitting only 5000 rpms, I would sure want to hit at least 5500. They have great top end.TZ out..