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  1. Q

    Dual engine DTS Axius smartcraft schematic

    This might help. If you don’t already have it
  2. Q

    Dual engine DTS Axius smartcraft schematic

    You can configure your set up a couple of ways, I’d say. Probably a junction box for each engine under the helm, then linked out. Sure you can do it that way. Think it shows this in a manual somewhere.
  3. Q

    Dual engine DTS Axius smartcraft schematic

    Hi. Can I suggest that if you are referring to the sc100 gauges, meaning the smaller gauges for like fuel and trim etc (that are nice to have but already shown on the sc1000’s)…I am happy to inform you that you don’t plug these into the junction box (if that’s what you are asking). They are...
  4. Q

    Dual engine DTS Axius smartcraft schematic

    You have it good AD. But should your boat not have came set up like that already…and one wished to interface the engine to the simrad as an afterthought…the cost of the mercury gateway interface is simply eye watering. Scandalous even. It’s essential to have it additionally, even if there is...
  5. Q

    No compression with rocker arms torqued

    Ah. You might be onto the issue there. Is it a marine cam ? Don’t suppose you’re taking water in with that cam in there ? You could have bent a push rod or tuliped a few valves. This would account for the compression and/or current running condition perhaps.
  6. Q

    No compression with rocker arms torqued

    Definitely set to the correct rotation? She’s not 180 degrees out ?
  7. Q

    Motor swap, back and forth.

    What’s the hp permitted? Are you aware of the rather sneaky solution that selva came up with, to get around similar issues regarding commercial fishing license fees, for certain hp on fishing boats ? Genius…they sell a range of engines called the dorado/swordfish or something like that. Badged...
  8. Q

    Long or short shaft. ( opinion )

    Is that an old seabee?
  9. Q

    Yamaha 90 2 Stroke No Spark

    Throttle position sensor. It’s at the front of the engine. Wee moving sensor that is linked to and measures the opening degree of the butterfly or throttle body intake..that then sends a signal to the cdi to control the timing and ignition to suit the running conditions optimally. Not sure if...
  10. Q

    Need Advice on Towing Performance

    Hi. The hi 5 propeller is absolutely useless at absolutely everything…all apart from the one thing it can do. That is exactly what you are chasing. Ideal for allowing a boat like yours to pull people out the water well. A friend had one on an 18ft maxum 3.0. It was actually amazing how it was...
  11. Q

    Yamaha 90 2 Stroke No Spark

    Hi. Some cdi models have a tps too. Has yours ? Alternatively I’m also aware that some also have a shift switch that cuts ignition when coming out of gear. This is under the gear assembly in the lower cowl. I think you can also bypass the cdi and sensors altogether, putting the system into a...
  12. Q

    Gateway not storing fuel used

    Hi. The vessel view system can certainly hold and retain a previous value of fuel remaining from the last outing. With reference to the self entered input way of doing things. Not sure or familiar with your system though. Alternatively the other boat I have with full smart craft gauges, uses an...
  13. Q

    Solas stainless 4 blades all the same?

    Spitfire was a shockingly bad prop, any of them I’ve experienced. One in particular was just silly for prop slip. If you’re going 4 blade. Stick to the proper ones from merc stainless range. Rev 4, bravo and trophy would be the only three I’d ever even consider
  14. Q

    2008 4.3 mercruiser carburetor

    Not if it’s a carb, I’d say. Very few things that make an alarm on the carb engine. Most common thing would be low gear oil
  15. Q

    2008 4.3 mercruiser carburetor

    Have to ask…what about the safety lanyard maybe being to blame ? Obvious answer for sure. Other than that, if it’s a carb, at that age, it will likely be a tks. Have a look up and search for the common issue these suffer with the enrichment solenoid sticking.
  16. Q

    Ignition Compatibility on 150hp Blackmax

    One of them might be an xr model 150 perhaps. Anyway. Did the 150 on your friends boat ever run as it should, since putting it on ? If it hasn’t…have we thought about the prop being too much pitch, being the reason ? Perhaps it’s a stator or regulator issue and not producing and sustaining voltage
  17. Q

    Prop help Zodiac Yachline 340DL with Yamaha F25

    Hi. I’m afraid that your issue is quite a common one. Not easily figured out unless one is familiar with the behaviour shown after messing with many configurations of boat size and engine size combinations over the years. So basically what is happening here, is that the fairly short boat length...
  18. Q

    Another prop slipping thread

    That sounds very very similar to my boat, at idle speed there. I have a cam in my v8 mpi 18ft. Yours is the closest sounding I’ve heard to mine. Definitely the cam makes that distinctive throbbing noise at low rpm. Mine as a result is quite weak from low rpm, if I run a pitch of prop that gets...
  19. Q

    1997 Mercury Optimax won't get on plane or stay running after first run.

    Fuel supply module. Or vapour separator tank
  20. Q

    86 Mercury 25XD Wont Run.

    Hi. I’d do a compression test on that. If you haven’t already. Sounds like it’s possibly not firing on both cylinders or only partly at best. Have you cleaned or replaced that fuel filter ?
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