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Hi guys just wanted to say thanks for the help. Running fine now with a new check valve and even better with gapped plugs. Ran 3 tanks of fuel through it... Got some angry neighbour's 60+ as usual screeming it sounded like a cross track so that's a good sign :)

Well I be dam.....that little bugger was toast. Looked like it had erroded internally however that could happen.. (China junk?) Didn't let anything into the tank or out. Totally stuck. Had a hot products in reserve. Doesn't look as good but will most likely work :) Gonna take it out for a...

Not yet, didn't have the time. But in 15 minutes I'm gonna get it!

Gonna try and blow some with the airgun under the hood of the cap . Tried manually but it might not be enough. I hope it's not from aliexpress.... Found some looking like it

That was my thought aswell so I started to blow through it both with tank cap on and off and it's solid. It doesn't let anything in or out. I've investigated it pretty closely. That's a dead end. Capped. No other vents either.

Here's a tricky one atleast for me. There is no vent hose or check valve. The vent hose is clipped and it will not let anything in or out. Isnt some of the pressure built up using the vent hose to the tank? I've seen superjet run like crap if you turn the one way valve in the wrong direction not...

Actually i got a spare CDI and you are totally right, When my stocker blew on my superjet I bought 2 cause as you said... Summer left me behind :) However, i do not have a stock stator and i guess the total loss of summer one don´t fit with a stock CDI? Oh and by the way, don´t have a stock...

Harbor, what happens when you don't use the restrictors? Will it run too cold and build up residue on your plugs or do you notice any negative side effects?

Yes you are totally right. Ofcourse I need to rip of the hood. You even wrote it before so I don't really know what I was thinking . Anyway I think the omega ones will be great for this test because they are extremely accurate. Some people complained about the accuracy and readability of the...

No problem, im thankful for all the help from everyone. So thats another great idea with the stickers. Ordered some Omega non reversive stickers so i dont have to pop the hood fast. If it reaches a temp it will stick. However it sounds like a great thing to have anyway so i got some reversible...

Good chart you found. That is probably true every summer but this one. We've had California weather since may. I would say water temp ranges from 68 as the coldest to 75 F this summer Yep got 4 pissers on the head and no restrictors. You think it might be running too cold?

Good suggestion I'll try gapping it to 0.024. And I guess it should work with the 9s as suggested as the best option

Oh and by the way, i never gapped the br9eya. is it necessary? Sounds like a good idea though. If it should be gapped do you have any recommended specs?

My theory with the SJ 760 was that the engine temp never came high enough to really burn off the ester in Motul and kind of piled up on the stock plugs. Its made for long WOT sessions offroad on land. But i would love to use it since the protection is superb. Never really thought of this until...

Hi, sorry for the late response been away a couple of days. I´m starting to think the motul 800 could have something to do with it. I had similar issues in a superjet 760. Stopped using motul and the plugs never failed...However this machine had been running on motul since the start and should...

I must be unlucky. Cdi box went on my superjet last year. But that one really ran like crap all the time almost like it had no compression. Haven't tried the spark plugs yet. Hopefully I can try them soon

Yeah worst thing that could happen is a lower ignition curve is my guess. Though the current system is a total loss so it would require some rebuild

Thanks for the picture. No I really start to question if it's actually the cdi box. Your plugs to the outmost left looks like....ugly word My plugs looks far better but they are pretty wet with fuel which might be an issue Nevertheless I will def start with br8es and cross my fingers hope it...

How was the irdiums regarding fouling. Any better? I'm a little afraid using those incase the tip would break. Don't know if that has ever happened in a watercraft though

The cdi box would be a real pita because it got this programmable flame box. Don't know if they are equally prone to fail as the stock cdi? Yep this is just a rec driver trying to do some tricks so no extended wot sessions mostly blipping as you say Running 2.5% ester based oil in it but...