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Premix first 2 tanks of fuel after rebuilt xpdi engine?

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Jtodd2022

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Hi everyone, new member here, looking for help regarding my 2003 sea doo xp di. I purchased them with complete rebuilt engines and am wondering if I should premix the first tank or 2 of fuel, even though they are direct injection.?
 
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Yes, I was told by the dealer who I purchased the set from, that the first and second tank of fuel I run through it,( break in period)... that the gas should be 50 to 1, even with direct oil injection system working??
 
I have an issue on one of them if you'd care to offer an opinion.. so I bought a set, 2003 sea doo xp di, last fall, with rebuilt engines. Took them out and one immediately has a "maint" flash on the monitor, rode for an hr or two maybe, no problem.. BUT the next weekend out, same thing.. "maint" came on.. the ski lost power, then died, it did not refire in the river, however, I was able to start it on the garden hose when I flushed it later.. just had the same thing happen when I put it in the other day, rode fine for awhile, then lost power and died, would not fire again in the water, but again when I went to flush it, it fired up.. ?? Any ideas??
 
You are going to have to get a code reader like the CanDoo Pro or take it to the dealer to see what code is causing the maintenance light to be on.

And No, neve premix a DI ski sounds like the "dealer" has no clue what he is saying or working on.
 
You are going to have to get a code reader like the CanDoo Pro or take it to the dealer to see what code is causing the maintenance light to be on.

And No, neve premix a DI ski sounds like the "dealer" has no clue what he is saying or working on.
Thanks,
You are going to have to get a code reader like the CanDoo Pro or take it to the dealer to see what code is causing the maintenance light to be on.

And No, neve premix a DI ski sounds like the "dealer" has no clue what he is saying or working on.
Thanks, I think he's scattered and wasn't thinking of the right customer.. which is getting irritating because I have a 1 year warranty on them. So fuel wise, no I'm not touching it until he takes a look at whatever is causing it to shutdown.. almost seems like an overheating problem.. but I'm not the mechanic.
 
I'm kinda curious about the recommendations on no pre-mix on an injected ski for break-in. What is the recommendation based on and what are the negatives?
 
I'm kinda curious about the recommendations on no pre-mix on an injected ski for break-in. What is the recommendation based on and what are the negatives?
On a DI ski fuel is injected directly into the combustion chamber so the lubrication would do nothing at all as it can't get to the crank or cylinder walls.

On an RFI it is said to be bad for the injectors but I can't confirm this.
 
Does the xp di have a set and mode button for the gauges.if yes power up the gauges press and hold the set and mode buttons at the same time HD down for 5 or 6 seconds till light goes off
 
Does the xp di have a set and mode button for the gauges.if yes power up the gauges press and hold the set and mode buttons at the same time HD down for 5 or 6 seconds till light goes off
And is this a reply to my intial comment regarding it shutting down?
Thanks.
 
Yes it gets rid of the maintenance light
Ok.. any thoughts on what may be causing it to loose power and shutdown?.. after it does that, I couldn't get it to refire in the river, however was I brought it out and went to flush it on the garden hose, it fired right up
 
If the maintenance stays on or comes after a few seconds after key on, then there is an engine problem.

If the maintenance just comes on for a few seconds at start up and then goes away, it is just the maintenance reminder which if you press and hold set for 2 seconds at start up it will clear the maintenance.

There are lots of reasons a di can shut down, fuel pressure, voltage regulator, air injector, air pressure, etc. Need more info to diagnose.
I'm kinda curious about the recommendations on no pre-mix on an injected ski for break-in. What is the recommendation based on and what are the negatives?
Oil mixed gas can clog fuel injectors which can lean out the mixture and do the opposite of what the intent was and ruin the engine, that's the biggest negative. If you want a rich mixture for break in on a fuel injected motor, just turn up the oil pump position by slight misalignment of the marks to the rich side.
 
Those need a very good battery in the water the impellar is under a load taking to much juucie from the battery.out of the water no load less draw more juice for the system.battery should be brand new and maintained perfectly thrubout its life span.and a good quality battery like yuasa lead acid or a moto batt.no Walmart no Napa batteries
 
On a DI ski fuel is injected directly into the combustion chamber so the lubrication would do nothing at all as it can't get to the crank or cylinder walls.

On an RFI it is said to be bad for the injectors but I can't confirm this.

Dale (fuelinjectorman.com) told me premix wouldn't hurt the injectors but that's one man's opinion. Just for informaton, Dale no longer owns (fuelinjectorman.com) the new owner is Jeff and the address has changed.

I go 32:1 for the first tank on a carb ski but I don't let it empty before I add 40:1 so the mix gets diluted over time. Guaranteed to decrease performance and foul spark plugs. I don't even know if that is worth it. :D I'm not adding oil to the fuel on injected skis because I am not aware of anyone that has provided a compelling reason to do so.
 
Ok .. thank you all very much, lots of input , very much appreciated.. I will start the process of elimination and see where I wind up.
 
Those need a very good battery in the water the impellar is under a load taking to much juucie from the battery.out of the water no load less draw more juice for the system.battery should be brand new and maintained perfectly thrubout its life span.and a good quality battery like yuasa lead acid or a moto batt.no Walmart no Napa batteries
Thank you. I will check the make of battery in them and see what they are.
 
Those need a very good battery in the water the impellar is under a load taking to much juucie from the battery.out of the water no load less draw more juice for the system.battery should be brand new and maintained perfectly thrubout its life span.and a good quality battery like yuasa lead acid or a moto batt.no Walmart no Napa batteries
What battery exactly would you recommend?
Thanks
 
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