Polaris Discussions about Polaris ATVs.

2007 450 wont start

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Old Mar 12, 2008 | 09:31 PM
  #1  
ftwflh's Avatar
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Don't let the hp numbers fool you. Its all in how you get it to the ground. Clutching clutching clutching!
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Default 2007 450 wont start

I am working on a 2007 450 Sportsman.It has fire at the plug and will start on either for a second.It has gas but not getting gas to the carb.I swapped fuel pumps with my spare and the same thing.
What I think next will be to set the valves.Hope this works
Any other Ideas?
 
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Old Mar 12, 2008 | 09:41 PM
  #2  
drlang's Avatar
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From: Wisconsin
Default 2007 450 wont start

A compression check will also confirm the valve settings. How is the fuel pump driven?
 
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Old Mar 12, 2008 | 09:51 PM
  #3  
caperinmuskoka's Avatar
Ride like you own it, Not like it's stolen!
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From: Ontario
Default 2007 450 wont start

First ....check to make sure the fuel shut-off under the front fender between the wheels is letting fuel to the carb..............I know but had to ask!!!...Caper..........
 
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Old Mar 12, 2008 | 11:15 PM
  #4  
ftwflh's Avatar
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Quad Patrol
Don't let the hp numbers fool you. Its all in how you get it to the ground. Clutching clutching clutching!
Joined: Apr 2000
Posts: 6,688
Likes: 1
Default 2007 450 wont start

It would be easier to set/check valves than to get a comp gauge in the plug hole

Already checked the fuel valve.
 
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Old Mar 12, 2008 | 11:43 PM
  #5  
rmtlle's Avatar
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Default 2007 450 wont start

My son also has a sportsman 450 2007 and it won't start. It also has gas, good battery ... but does not turn over. Anyone have any suggestions to try? Or what could be wrong? Any help or advice would be greatly appreciated.
 
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