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02 Polaris Trailblazer 250

  #1  
Old 12-05-2018, 10:33 PM
Weekend Warrior
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Post 02 Polaris Trailblazer 250

Hey guys I have a 2002 Polaris Trailblazer 250 and today I did a carb rebuild and got that all set up and finished..then I put it on the quad and it ran for about 2 mins and then started pouring gas out of the breathers and every holes on the carburetor... and wouldn’t start after that.. what should I do to the carburetor and engine??? Thanks in advance
 
  #2  
Old 12-06-2018, 12:23 AM
Pro Rider
Join Date: Oct 2007
Location: Colorado
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Drain the crankcase, ten mm headed bolt on the center bottom of the crankcase. Put a new needle and seat in the carb.
 
  #3  
Old 03-07-2019, 04:31 PM
Weekend Warrior
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Originally Posted by 94harley View Post
Drain the crankcase, ten mm headed bolt on the center bottom of the crankcase. Put a new needle and seat in the carb.
I’m new to this so what do I do after I drain the case?
 
  #4  
Old 03-08-2019, 10:35 AM
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Location: Colorado
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Try to start it without using the choke. It may also be flooded a little still so you may have to hold the throttle open to get more air to it. Make SURE its in neutral. On a 2 stroke motor, the fuel/lube mix is what lubes the crank bearings. If the crankcase is full(check by draining) it wont fire up as there is too much fuel in it. These are different than 4 stroke motors as the 4 stroke has the actual engine oil in there(like your car)
If the crankcase is full of fuel, the float valve in the carb is probably bad causing it. Take the carb off, clean it thoroughly, and replace the needle valve and set the float height.

When you pull the crankcase drain bolt, use a wire tie, or a piece of wire or something to "Poke" through the hole in the case. I have seen them covered with junk and they wouldnt drain until something broke through the junk.
 
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