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I have a 1997 Polaris express 400 it won't start tried starting fluid tried gas where the spark plug goes battery is fine have spark not sure what else to try please help me

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Do you have the safety plug ( the one you pull when fall )
or the carburetor float is stuck ,
or call your dealer and ask some time the answer a question !

Posted on Apr 05, 2015

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Check compression, adjust valves.

Posted on Apr 05, 2015

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bessent10
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SOURCE: got spark won't start 93 arcticat 580extz snowmobile

check your gas air mix could be fouling out the spark plug

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SOURCE: I have a 2008 Honda fourtrax 420 rancher I'm having problems starting turn over but will not fire has new battery & spark plugs and have tried starter fluid and nothing what do I need

Check that you have a spark .
The gap may be lost on the flywheel

Posted on Dec 01, 2014

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1 Answer

I have a 2016 Polaris sportsman 570 she's got a fuel pump tries starting her she will keep winding over but won't start any help would be nice


Make sure the kill switch is in the run position.

AN engine need three things to run:
Compression
Timed spark
Fuel

now.....
1*. Check the spark plug to make sure it is firing.. remove the spark plug.. make sure you have metal to metal contact and then turn the engine over.. (this might be a two man job).. the spark plug should have a nice big blue white spark,,(some electronic's will have a weak orange and still fire fine!)
2. Make sure you have gas in the tank and (going into the carb/FI)... (have to ask-actually have had 3 bikes in my career come in complaining -won't start...!! Add gas and they ran.. WOW!.. never charged any of them....the embarrassment on their face was payment enough!)
3*. While the spark plug is out... place your finger over the spark plug hole firmly .. keep the spark plug cap away from your hand..turn the engine over and see if it will blow your finger off..(it should blow it off the hole easily).

If any one of these three are not nearly perfect.. you have an issue!!

Check these and repost with the results...

Dec 17, 2016 | Polaris ATV

2 Answers

My four wheeler gets spark and gas to the carb but wont start what else could it be?


Carb could be dirty, float stuck or choke stuck. Pull plugs, crank engine and see if you are getting raw gas in the cylinder(s). If you don't get gas to the cylinders, you won't start. You also could have a flooded carburetor.

Jun 15, 2015 | Polaris 2004 Trail Blazer 250

1 Answer

Polaris 570 started this morning fine .now it turns over but wont start .gas is full ,battery is full charge .


when you moved make sure you did not hit the kill switch that will not allow a spark .. the other thing you can try is to see if there is a spark. you can pick up a spark tester at any auto store

Feb 28, 2015 | Polaris 2014 Sportsman 570 EFI

1 Answer

She got gas and prark won.t start only backfire


Remove and clean the plug, sounds like it is fouled.

Jan 31, 2015 | Polaris 2007 Sportsman 450

1 Answer

1996 Polaris Sportsman 400 Will Not Start


If your atv has been sitting this long, the carb is probably stopped up internally... take the carb to a qualified professional and have it cleaned and set...(take a few pictures so you know where all the hoses re-attach)

ALL it takes for an engine to run is:
1. A timed spark
2. Adequate compression
3. Proper fuel/air ratio delivered

Aug 12, 2017 | Polaris ATV

1 Answer

Polaris 325 magnum spark plug change


The spark plug is on the left side (shifter) of the head,,..?/ this is August.. if the atv has been sitting the carb may need a qualified professional to clean it again.. Replace the spark plug before you squirt anything in the engine...

Jul 27, 2017 | Polaris ATV

1 Answer

I have a 2003 polaris trailblazer 400. the oiler stopped working and fouled up my piston. I got it rebored and new piston. after that job was done i tried to start it. would not start. found that i had no...


fyi, something to watch out for on those is bad crank seals. will allow a lot of air in and cause the engine self destruct. before the cdi try simpler things like coil and making sure all the wiring is right. good pickup coil.

May 31, 2017 | Polaris ATV

1 Answer

I HAVE A 1999 POLARIS 335 SPORTSMAN STARTS FINE WHEN I TRY TO ACCELERATE THE QUAD BOGS FEELS LIKE ITS GOING TO STALL BUT THEN GOES BUT NOT AT FULL POWER AFTER RELEASING GAS THERE IS A LOUD BACKFIRE ...


carbon on the plugs indicates flooding
the backfire indicates fuel being ignited in the exhaust
have the carby /fuel system professionally overhauled

May 27, 2017 | Polaris ATV

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