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95 EFI 1-1 code

I have a 95 polaris 500 EFI. It runs good on top end once you get it there, but boggs down if under 5100 rpm and have to play with throttle till you get it to run to top end. EFI box flashing a 1-1 code and likes to run at about 3000 rpm for idle after running awhile? any ideas ? thanks Derek H

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  • 201 Answers

Clean fuel supply, change filter. Clean carbs... Rebuild fuel pump possibly. If this is all good and you haven't done any clutch work it may be time to repair primary and secondary.

Posted on Feb 18, 2018

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: 1998 polaris indy trail touring 500 fan. ran good

It sounds like the tank is not breathing, ie. creating a vacuum/suction condition. My Honda quads will do this too if you dont turn the fuel cap to ON.

Posted on Dec 15, 2009

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SOURCE: carburetion; running too rich at low speed

got a 98 xcr 700 buddy with that 680 triple in it. I went down Three sizes on the pilot jets and down 2 sizes on the mains. try this u wont b diappointed!!! I live in wi. if that helps u out in reference to air temp and altitude.

Posted on Jan 13, 2010

  • 44 Answers

SOURCE: why does 2000 polaris xc 500 blow head light bulbs

IF YOU HAVE A VOLTAGE METER HOOK IT UP TO THE BULB CONNECTOR IF IT GOES BEYOND 12v,YOU HAVE BAD VOLTAGE REGULATOR.

Posted on Feb 08, 2010

  • 35 Answers

SOURCE: I have a 97 polaris indy 500 snowmobile. The spark

Wait, it just wont turn over, like the engine won't rotate?, that is either a broken crank, which not unusual for those 500's or you seized it, (welded the piston to the jugs). if this isn't what you mean, and it will turn over but not on its own power, then either your jets in the carbs are clogged, fuel may get to it, but not through it, or your rings are stuck closed and giving you low compression, check this by pulling it over slowly, you should feel each piston completing the revolution with a prominent glug glug. grab your primary clutch and rotate it back and forth, it should have a bit of play, but if it clanks and has alot of play, your crank is busted

Posted on Feb 17, 2010

  • 46 Answers

SOURCE: I have a 1992 polaris indy 500, it won't start

THE THROTTLE SAFETY SWITCH IS NOT WORKING, YOU CAN EITHER CUT THE WIRES OR REPLACE THE SWITCH. I SUGEST REPLACING THE SWITCH

Posted on Dec 14, 2010

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