SX/SXi/SXi Pro motor drinks water, any ideas?

[sxipro02]

Im running prok filters with blowsion prefilters. Every time the ski goes under it sucks water into the carbs. and ideas? I put weather strip around the hull where the hood seal meets it and blocked off the openings on the sides but still no luck. I also have about a 7" drop tube on the rear opening and a 3" (stock) drop tube on the front opening so water goes in front of the pipe. I was going to switch to a factory air box if I can find one but noticed most people use A.M. filters. Surely I'm not the only one dealing with water ingestion.

 

[tor*p*do]

I went back to the OEM air cleaner minus the big box
on my 750sx and it solved the water ingestion
a/m air cleaners suck IMHO

 

[sxipro02]

Yeah, thats the only way I see it working. Guess a/m filters work if you ride like a pansie lol
I bought my ski with one prok and one missing filter

 

[BruceSki]

I had this problem the other day when my bilge crapped out. I would do a roll then the ski would bog from water. I realized I had water in the hull that the small scupper and factory bilge wouldn't remove and the rule bilge was off. The water would dump on the carbs when I went upside down.

When my bilge works I never have this problem and I run PRO-K flame arrestors.

 

[sxipro02]

wierd, I never used to have this issue when I first bought the ski. I started when I cut up the hood for the new exhaust I think.

 

[Mark44]

Are your air inlet tubes going down close to the bottom of the hull when your hood is installed?

Did you fill the front air inlet and cut open the rear?

You do have a coupling cover right?

Mark44

 

[sxipro02]

No coupling cover, did open rear air inlets but did not close off fronts. I tried tape over them last weekend and it didnt help, I did however notice it starving for air when coming up from the water. sounded like a vacuum up front. and no on the air tubes, there is no room on the front side due to the chamber, the rear tube goes about half way down the e-box. sits about a inch below the base of the filters.

 

[tor*p*do]

No coupling cover, did open rear air inlets but did not close off fronts. I tried tape over them last weekend and it didnt help, I did however notice it starving for air when coming up from the water. sounded like a vacuum up front. and no on the air tubes, there is no room on the front side due to the chamber, the rear tube goes about half way down the e-box. sits about a inch below the base of the filters.

there is your problem!

 

[BruceSki]

yeah put a coupler cover on there......


DOH@@!!!!

 

[Mark44]

No coupling cover, did open rear air inlets but did not close off fronts. I tried tape over them last weekend and it didnt help, I did however notice it starving for air when coming up from the water. sounded like a vacuum up front. and no on the air tubes, there is no room on the front side due to the chamber, the rear tube goes about half way down the e-box. sits about a inch below the base of the filters.

Here is problem#1 #2 and #3

you may need to move the front air tube to an accessible location and lower the rear tube even more.

Mark44

 

[sxipro02]

I gotta double check on the cover. If its stock then its probably on there.

I'll work on lowering the vent tubes tonight.

 

[SXIPro]

A/M air filters/flame arrestors suck. Stock box all the way.

 

[BruceSki]

damn you jinxed me.....one of my prok's had the inner cone fall out today.

 

[sxipro02]

damn you jinxed me.....one of my prok's had the inner cone fall out today.

Sorry man. Im going to try to get a sit down 750 box on mine this weekend. If it fits easily my proks and adapters will go up for sale.

 

[BruceSki]

Let me know. I might be interested in the proks if they are in good shape.

I have a single 42mm flame arrestor for a 750. I don't know if you can run two of them like people do with the yamaha 44mm factory airboxes. Let me know if you want to work something out.

 

[sxipro02]

Looked around the garage last night for a last minute solution before I leave for the lake. This is what I came up with, I ran two hoses on the rear since there only 1 1/2" hoses. I left the front open until I get the time and supplies to glass it in, in the meantime I lowered the tube so its below the chamber. BTW I "DO" have the coupler cover on there, brain fart, forgot what it looked like.

 

[nightrider05]

Hope it works for you. Grabbing that air box here in just a few. I fully expect a meal in exchange for this thing

 

[Mark44]

duct tape over the front hole in the hood and block that front air tube for now.

Mark44

 

[sxipro02]

Hope it works for you. Grabbing that air box here in just a few. I fully expect a meal in exchange for this thing

lol. you should have mentioned that yesterday, I just went to kenericks meat market to get food after work.

 

[sxipro02]

duct tape over the front hole in the hood and block that front air tube for now.

Mark44

I'll try it like this then tape off the front if it dosent fix it. I always have duct tape handy, right next to the zip ties lol