Super Jet Blown ADA O-rings

[Balduccimoto]

I got a new big bore motor, went for a ride the other day. Im running dual cooling and I had put some 4mm restrictors in both bypass fittings (50 degree water) and the outlet temp felt pretty good. Well, I rode about 20 minutes and when I was in the inlet I noticed the bypass fittings spitting exhaust/water. I was able to get it back at low rpm while always monitoring the bypass temp. Well, I pulled the head today and both o-rings were blown. I was nervous about the crank maybe sitting in whatever salt water that may have found its way down by the crank, that I started cranking it and spraying fogging oil in it. I forgot the cylinders werent bolted down and I heard a scrape noise and noticed that the cylinder had broke its seal on the base. Now I don't know what the hell to do, should I tear it down and inspect/replace the base gasket? I never wanted to pull apart any damn engines and exactly why I paid so much money. Thoughts?

 

[BruceSki]

Sounds like you need a better mechanic

 

[Balduccimoto]

Sounds like you need a better mechanic

? I don't want to wrench thats the problem lol

 

[GIL]

? I don't want to wrench thats the problem lol

If you own / ride a SJ with ANY mods at all, you either need to love and be good at wrenching or have a next door neighbor that does / is. LOL Modified skis are a 100% participation sport-you have to participate in the wrenching to get to ride. LOL

 

[Balduccimoto]

If you own / ride a SJ with ANY mods at all, you either need to love and be good at wrenching or have a next door neighbor that does / is. LOL Modified skis are a 100% participation sport-you have to participate in the wrenching to get to ride. LOL

Haha this is true. I work on cars all day every day, wrenches start to piss me off after a while. Im cooled down a little bit though, looks like im going to give it a go this weekend. Maybe the 4mm restrictors in both bypass was a little too much restriction??

 

[BruceSki]

sorry I couldn't resist. I know you are a mechanic

 

[JetManiac]

Did you figure out why orings failed? Head properly torqued? Did sleeves drop? Was cylinder cleanup decked? ADA head new or used(possible Worn head shell)?

If cylinder cracked base gasket seal, then you need to reseal and/or replace base gasket/reseal but figure what happened first. Definately also contact your engine builder.