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WATER IN ENGINE

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Old Apr 19, 2000 | 09:20 PM
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exlax250x's Avatar
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TODAY I WENT IN A DICH A LITTLE TOO DEEP WITH MY 250X AND NOW IT SMOKES, I THOUGHT IT MIGHT OF BEEN STEAM BUT IT DIDNT STOP DOES ANYONE GOT ANY IDEAS IF NOT I AM GONNA REBUILD FOR THE 2ND TIME

JOHN
 
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Old Apr 19, 2000 | 11:09 PM
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What year is the 250x rebuild twice already??? wow do u change the oil alot. and adjust the valves when needed???
 
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Old Apr 20, 2000 | 04:37 AM
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yeah, if he took a load of water it could have wiped a ring fast..just make sure it isnt over full on oil (or water)cause that will make it smoke too
 
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Old Apr 20, 2000 | 07:15 AM
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It is a possibility that you might have "hydrauliced" the motor. This is when water is sucked into the combustion chamber of the motor while it is running. The water is not able to be compressed, so something has to give. I have repaired some of these. If it happens it is very probable that the piston rod is slightly bent causing the piston to be cocked in the cylinder.
This causes the rings not to seal properly so if you do rebuild it make sure to have the rod checked. Best to replace it if there is any question rather than do it over later. Good Luck
 
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Old Apr 20, 2000 | 02:40 PM
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exlax250x's Avatar
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I REBUILT IT ONCE THIS WOULD BE THE SECOND TIME YES I DO CHANGE THE OIL REGULARY BUT I HAVENT GOT ORPUND TO CHANGING THE OIL SINCE IT HAPPENED BUT I WILL TO SEE IF IT IS MILKY
 
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Old Apr 21, 2000 | 07:58 PM
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the same thing happened to me but on my 185 three wheeler. i went in a river over the gas tank and now the oil is gray and it doesnt stop smoking. what am i supposed to do
 
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Old Apr 22, 2000 | 01:28 AM
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ATVMAN123,

Get that water out of there ASAP!

Been there many times with my '87 Four-Trax. It is extremely important that you get the water out of there as quickly as possible.

General rule of thumb is, if it has ingested water, don't even think about running it, or even cranking it over, until you get rid of the water, in the top and bottom end.

As stated above, water doesn't compress so major damage will occur if you attempt to run or crank it with water present in the top end.

Dealing with water in the top end:

1. Pull the spark plug, THEN crank it over to spit the water out. Next spray in the plug hole with liberal amounts of WD-40. Crank again. Add more WD-40 crank some more. Repeat a few times. Do a final crank and reinstall the plug.

Dealing with water in the oil:

1. Change the oil AND filter. Wipe out the filter area well and let the sump drain for quite a while. Add new oil and filter and run it for a bit.

2. Repeat step 1 as many times as it takes to get the oil to run clear again. This may take a few tries.

I usually combine these procedures when I sink'er. If water has been in the top end it will usually run like crap for the first bit until all remaining water droplets and WD-40 have been spit out the tailpipe.

DJ
 
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Old Apr 22, 2000 | 01:39 AM
  #8  
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This is a question for future reference. My 99 trx300 has a decompression lever for kick starting. If i get a little too deep could I use that lever to help drain the water? Just a thought.
 
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Old Apr 24, 2000 | 01:07 AM
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Lonewolf867,

The decompression setups I am familiar with simply prevent the exhaust valve from completely closing at very (below idle) rpm. Not sure how Honda takes care of decompression.

Gut feel, don't count on this as a de-watering device!

DJ
 
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Old May 2, 2000 | 06:00 PM
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exlax250x's Avatar
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JUST A UPDATE THE CYLINDER IS AT THE MACHING SHOP GETTING BORED 40 OVER AND THE PISTON IS ON ITS WAY QUITE COSTLY BUT I LERNED A VALUBLE LESSON (DONT LET PEER PRESSURE MAKE YOU DO THINGS YOUR QUAD CANT HANDLE
 
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