DaveVero Posted January 5, 2021 Report Share Posted January 5, 2021 Just bought the boat which is a 2003 MA with a 2002 Yamaha 150 HPDI and I am not near the boat in Florida but my fishing partner said the Yamaha RPM is not reading on the gauge but fuel is showing and hours are working. What would you check before taking it to be fixed? Also- I will be doing the easy maintence when I get back but changing the VST has me concerned. Is the VST something the dealer should do? Thanks, Dave Quote Link to comment Share on other sites More sharing options...
Bamaskeet Posted January 6, 2021 Report Share Posted January 6, 2021 Trace the green wire. Quote Link to comment Share on other sites More sharing options...
rckeat Posted January 6, 2021 Report Share Posted January 6, 2021 I haven't replaced my VST filter in a few years, but recently bought a replacement that I will install when we have a nice day. Last time, I remember thinking I was in over my head, but it really didn't turn out to be that hard. As I recall, one of the bolts holding the tank together was a little tricky to access and I remember thinking that I am screwed if I drop this bolt. Also be careful reinstalling or replacing the gasket as it fits in a little groove in the housing. If you are handy you probably will be fine. Good luck. Quote Link to comment Share on other sites More sharing options...
DaveVero Posted January 6, 2021 Author Report Share Posted January 6, 2021 Thanks for the replies. I think I will try it once and see if I can do it. The VST was changed last time in 2013. I cannot find how often these filters need to be changed but seems overdue. Quote Link to comment Share on other sites More sharing options...
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