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Posted on Jun 23, 2017
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1998 Polaris Explorer 300. Could you please tell me what the compression reading should be? I turns over but wont start, will start if boosted but dies out when you let off the gas. Before all this started happening when you would start it, it would rev really really hi. would press hard on gas to try and bring the revs down it would not work, would have to turn the bike off. Any hint's would be greatly appreciated!! Thank's for your time Angela

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Steve P

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  • Polaris Master 3,912 Answers
  • Posted on Jun 23, 2017
Steve P
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Hey Ang,
Just from what you have told us... this seems a little more complicated than simple... Does it only run wide open? ...Has anyone been "working" on this atv...?? IF they have been working on the carb, you may have put the slide in incorrectly...there is a groove down the side of the slide and a pin in the carb the groove runs on...
1. Compression should be 120PSI...or more, with the the throttle held wide open and kicked over 5-8 times.. The carb may need to be professionally cleaned and set...(take it to a qualified professional)...do this and reply to me..

5 Related Answers

Anonymous

  • 1 Answer
  • Posted on Jul 21, 2009

SOURCE: 1994 polaris 300 2x4 wont start

1994 magnum 425 2x4 wont start was given to me. It cranks but wont fire. and start button has no power.

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Anonymous

  • 11 Answers
  • Posted on Aug 24, 2010

SOURCE: how do you remove starter on 1996 polaris explorer

<br /> <br /> sadly enough there is alot to do to get to the bolts easily<br /> <br /> <ol> <li>take off pullstart not the front few bolts that hold the cord but the ones on the case behind those.<br /></li> <li>you will now see 2 bolts under the flywheel to the left bottom those are the front starter bolts.<br /></li> <li>Take off clutch cover and clutches (may be able to get away with just the front clutch) and you will see the rear starter bolts.</li></ol> not so hard with the right tools and dont bother with the skid plate.

Anonymous

  • 1 Answer
  • Posted on Sep 12, 2010

SOURCE: Working on a 1999 Polaris Explorer 300, does it

on a polaris 4x4 hawkeye where is the fuse box

Anonymous

  • 1 Answer
  • Posted on Jan 20, 2011

SOURCE: how do you get a starter off a polaris explorer 300 four wheeler?

for a 2001 polaris xplorer, you need to remove the body, the drive belt cover, both the drive clutch and the driven clutch. to remove the drive clutch I went to napa auto parts and bought a 3/4 x6 inch fine threaded bolt. I removed the bolt for the clutch. I then inserted 1 long and 1 short 12mm sockets into the center of the clutch. then threaded the 3/4 bolt until it was tight gave it a few light wacks with a small sledge hammer, turn it some more and it popped right off. alot easier than buying the polaris puller. the driven clutch came right off no problem. you need to remove the back palstic part of the drive belt case. three bolts behind where the driven pulley was and another screw connected to the foot rest. make sure you remove the negative battery terminal. you then need to unscrew the bracket on the back of the starter and remove it. next I stood the quad up on its rear tires and back frame.Put an oil pan orsomething underneath the back frame bar as some of the premix oil leaked while it was in this position. remove the skid plate. pull back the rubber boot on the starterand remove the wire. go back around to the side and remove the two hex headed screws from the back of the starter. at this point the starter housing should come right off. then I pulled it out. I replaced it in reverse. make sure the o-rings are on correctly. I really hope that this helps some of you out there. One note I purchased an aftermarket starter that was connected to a cast aluminum housing that i assume houses the pinion gear. but i had to remove that part and only install the back part of the starter.

Bob Bilewitch

  • 9 Answers
  • Posted on Sep 23, 2013

SOURCE: I have a 2004 Polaris 400. 4-wheeler. The bike

You have a faulty switch, or it has corrosion in it, moving the switch through it's full travel rapidly for a while to clean the inner contacts may cure the problem, or try disconnecting the switch.

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