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Hold down the two buttons for about 10 seconds on the console to the right above the glove box. If it says 01 then the code is no longer active and should go away after a few...

This impeller is described as a Swirl on the box.
I am seeking out the best holeshot single impeller which generally speaking is a Swirl.... this one to me has been cut on the leading edge and has...

Take the valve cover off and pressure test the cylinder head cooling system. The heads crack and it is a common problem.

The system for crankcase breathing is completely different on those two engines.
If for some reason the valve cover or the crankcase side plate are used from the wrong engine it will cause this, i...

What year is it ? Looks clean, it not a 2019 engine. Was from freshwater ? If it is 280 hours is nothing for that motor.
If it has lived in saltwater you should be ok but may need pump maintenance...

Is the engine supercharged or have they just substituted the ho engine shortblock and head for an sho shortblock and head and everything else is N/A as per original fxho ?

No it would not throw a code as it ia just a failed part of a normal function for the ecu.

Have you checked the aps fully closed switch function on ydis ?

11volts is normal for that wire i...

The accelerator position sensor will kill the injectors once it opens a certain amount so i would test or replace that to eliminate it.

Also something which i have come accross before is a faulty...

Check the camshaft timing marks with the crank at tdc compression#1, make sure you use a dial gauge to find tdc.

If its not that at least you will rule it out.

Checking ignition timing is a...

It sounds like a timing issue. Did it happen all of a sudden or after someone did the retainers? Or else iwould suggest the magneto flywheel key has broken and igntion timing is out. I have seen both...

What parts do you need to change the stroke ? Are Traum building your engine ? They make great stuff.

In my conversion i am running a 2005 GP1300R gauge and i would like to fit a Candoo to give quick gps speed readings from the dash when testing.

Is there something available that will work for the...

The anode with hose fitting will definitely help to keep the anode area clear.
The gravel in the photo would not have been there on a stock ski but as i said it had an aftermarket pump which has 2...

Yes this is not a scheduled maintenance requirement from Yamaha that i know of.
We do it as part of preventive maintenance on a service to improve reliabilty long term.
Also if left too long the...

You are right the only way to remove the blockage is to scrape it out physically.

Yamaha did not fail on their anode design however. This is a maintenance issue, i have worked on hundreds of...

There were a few units where the wiring harness was rubbing through on the engine block or engine mount where it came past the front left engine mount and goes into the two main power and control...

Talk to Deans Team and ask if its possible first, you can send your ecu to them.

Possibly could remap the sho ecu to a 2009 HO map ?

You may the have to swap the plug ends on a couple sensors as they have changed over time ( air temp i think and earth connections) but at...

Looks like an island racing mod plate ? I have an I.R mod riva 1300 plate which is fast but i need to compare it to something to really know how good it is.

That sounds like a good speed with your mods to me. The 1300 nozzle and heads may give you a couple more ?

Thanks Adam, soinds like you have tried a lot of different things to get the most out of your ski.

What rpm/speed do you get out of your swirl/dynafly ? I also have a Skat pump which i havent...

You will need to ride both to form your own opinion ultimately but i would say the FX is better.
The RXT should be better than the RXP in theory as it is longer but i have not ridden one.

In...

I would be interested in anyones experience in speed gains per mod with the GPR hull.

I.e
what is the speed gain for an uncut R&D plate over the stock plate

Stepped stock sponsons vs stock
...

Thanks for sharing. Do you know how fast the FXHO is for 22 ?

That is the internal contact and shaft for a battery isolator switch.