Posts
6
Joined
9/18/2018
Location
Raymond, ME
US
Soo yeah I swamped my 2018 kx450f. Bike has about 30 hours on it. Took the exhaust off let it drain, popped the spark plug and air box off blew out all the water, put it all back together and flushed the oil a few times, bike started right up but now I’m getting white smoke out of the exhaust, checked the coolant it seems to be fine so I’m assuming the rings are just shot... let it idle for a minute burp the throttle an a big cloud of white smoke. Yay
So my question is can I just pop the top end off throw a new pistion and rings on it and put it back together?
So my question is can I just pop the top end off throw a new pistion and rings on it and put it back together?
There's likely water in there still.
The Shop
I'd remove the head at lease and take a look.
You could also flush bottom end out with diesel fuel to remove moisture.
Even if you dropped it off a boat, shouldnt take but 10-15 minites to have it running fine with no damage.
I've sunk lots. Did you leave the filter in soaked with water? Leave that off while you drain and refil oil(Use some cheap shit the first time).
You dont need to rebuild anything. How could you get a bunch of sand in the engine? Are you doing the blackwater 100 or something?
What did the intake boot look like when you removed the filter?
First thing is first though....flush the shit out of everything! You do not want any water sitting inside that motor! After you get it flushed , it may be wise to replace the top end , but you also want to make sure none of it made it to the bottom end either. You'll also need to clean everything from the air box to the exhaust , plus electrical connection as well.
Do it right the first time , and you won't have to worry about it. BUT.....even if the packing in your silencer is wet , it'll give you white looking smoke....which is actually steam.
Fwiw.....I only know the basics. But like I said.....flush everything first! Then figure out the damage.
Let’s jist say I’m being crazy and it’s just steam like some are saying would I just run it an hope the steam goes away and pray I’m not just destroying what’s already messed up?
You can sink a bike in a lake and be riding in a few minutes with no damage to anything. Water doesnt hurt anything short term. Sand though.....
The air filter looked like I scooped up a pile of fine beach sand sand with it after I swamped it and then after I flushed the oil a few times I rode the bike for the day an then changed the oil
Pit Row
He completely submerged it in a river. He kicked it about 20 times, started right up. Never tipped it or did anything to drain it.
He proceeded to ride it for a couple more months, putting an additional 25 hrs on an already 240 hr motor. I think he finally sold it to some poor bastard.
That's just me. I'd rather have a fresh bike than neglect something.
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