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  1. M

    Better GPH under prop or over prop?

    I have been going crazy the last few weeks testing props for my Yami F225. I tested a SWS 1, 15 1/4x17 that was perfect WOT rpm range 5800 and 40mph. Then when I went to purchase one they do not make the (SWS 1) any more its the (SWS II) So I got a (SWS II) same pitch 17, but the dio was 15...
  2. M

    Big difference in RPM from SWS I to SWS II !

    I had tested a saltwater series I 17P on my boat and the WOT RPM was in the perfect range 5800. So I puchased a SWS II 17P and to my surprise I was only getting 5200 -5300 WOT ! Big change...wow! So Know I am going to go down to 15p SWS II and hope to be in range.... The only thing I can think...
  3. M

    17 P Saltwater series gain of only 5mph?

    I tried a demo Saltwater series II 17P prop this weekend on my 03 Yamaha F225. I had on a 17P Alum and the dealer gave me a 17P SS top try. I gained 5 mph and 200 rpm and seem to get on plane faster and not cavitate as much.... the WOT was 5800 , perfect for a F225. where the ALum 17p was 5500...
  4. M

    Aluminum to SS up or dwn in pitch?

    I am running a 19p Aluminum and want top try a SS do I need to go up or dwn ib pitch to match my Aluminum wot rpms?
  5. M

    03 F 225 Yami cutting out high rpm ! Fuel??

    Went out on my maiden voyage today with my new 03 F225 yamaha and she ran perfect in the harbor smooth as silk, once out of the 5mph zone cranked her up ran great for 3- 4min at 5500 rpm then started to cut out like starving for fuel.......brought it down to around 4400 runs good..... no...
  6. M

    yamaha F225 water indicator flow weak?

    Hi guys, Ok after all my BS with my water pump flow indicator.. Put her in the water today and got water flow but seems to be a much slower stream than my 225 two stroke ? Is this norm for Four strokes?
  7. M

    Need help desperate !!!!!

    I have a 2003 F225, that I have been posting about no water coming out of the water pump indicator pee hole.. I have been told by a few of you guys that it';s hard to get good water flow with ear muffs and you need to put the motor in a big water bucket. i did that and still no water indicator...
  8. M

    No water stream impeller ok? need advice

    O guys I give up trying to figiure this one out.....need some advice. I have no water coming out the indicator hole. I blew the hose out , checked the impeller, had the motor runniing for 5 -10 min I got warm but not hot , I reved it a few time still not water out of the pilot hose.. it a...
  9. M

    Anyone with a Yami F225 !!!!!!!!

    Can anyone tell me if your water pump indicator flows when the motor first starts??? I am getting nothing out of mine and the water pump is fine? This is my first time with a four stroke..
  10. M

    new f225 no water pump stream indicator?

    This was the first time since getting my 03 F225 I had it running on ear muffs for 5 min or so and did not any water coming out of the indicator? seems like enough time for the thermos to open, motor felt warm. did not want to let run and over heat. I was going to put it in the water next week...
  11. M

    Kill switch three wires where do they go ?

    I noticed today that two of the three wires that come off the lanyard kill switch are just hanging not attached to anything. The third is going I think back to the motor but what about the others? Hot and ground?
  12. M

    lanyard cut off switch wiring?

    Hi , kind of a simple Q and I do not have a rigging guide. I found two of my Lanyard cut off switch wires just hanging not connected. one seems to go into the harness I assume that is back to the switch at the motor. Are the other two ground and power?
  13. M

    Not getting full Port/Starbaord turning radius?

    I have a manual NFB Rack steering system with a set number of turns in either direction that I used on my 2 stroke for ever. I noticed that when I connected the steering to my F225 and made full turns of the wheel I am not getting the full turning radius of the motor. It is short to the motor...
  14. M

    03 F225 yami will not shift into FWD gear stopped.

    I can not seem to get my motor to shift into FWD gear unless I manually turn the prop a little then it slips in. reverse is ok. Is this normal not to be able to get it into gear when not running? I am afraid of dropping her in the water then not being able to get it in gear. My 2 stroke...
  15. M

    new multi F guage trim sender not working!!!!!

    I just installed a 03 F225 yamaha, bought the newer tach and harness. I get tach function, trim works from control, but no trim indicator on new multi function gauge.. The wire color do not seem to be matching up at engine connection?
  16. M

    03 Yamaha F225 battery cable connections

    Do the battey cables run behind the Plenum tube or in front.? I see where the plenum tube is marked + / - They do not seem to fit correct on either side?
  17. M

    2003 F225 Yamaha fuel line Help........

    I just took delivery of my 2003 F225 have a Q about the fuel line . There is a small length of fuel hose connected to the fuel filter about two feet long and 1/4" in size. Should that line get run though the flex hose into my transom them stepped up to 3/8 at the fuel bulb? That is how it...
  18. M

    4 stroke oil brand/kind?

    Hi, was wondering about what kind of 4 stroke oil to use in a F225. In the manual it does not state syns. But I know from experience with my 4 stroke Jetski and my twin turbo car. Syns are much superior and Amsoil is one of the best rated. I use Amsoil syn marine in my jetski for years not one...
  19. M

    new 2003 Digital tach wiring HELP!

    I just recived my new Digital tach to replace my 1998 2 stroke tach. It came with two harness 1) long with two square connectors , I asume that is the trim harness 2) one marked (6Y5-83553) no idea on wthat that is for. 3) the gauge has four other wires coming off of it: Blk, GRN,BL,YE where do...
  20. M

    225 2 stroke to F225 Prop size and pitch same?

    I am going from a sws 225 2 stroke to a F225 four stroke. was wondering if the prop from the 2 stroke is the same size dio and would the pitch be the same. I was running a aluminum on the 2 stroke getting about 5500 max rpm. I think it was 15x17 ? Thinking of going with a SS for the 4 stroker...
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