What was the problem with my Polaris 500 EFI?

What was the problem with my Polaris 500 EFI?

Fitted new plugs yesterday, pulled the rope the efi pump kicks in but it didnt start after that pull, but the fuel pump kicks in every pull on the rope. Sprayed starting fluid in the intake started on 2 pull, runs like normal again. Turned it off again, started on the first pull again.

How to fix fuel pump on Polaris ATV?

— Put foil insulation on the bottom of the fuel tank. — Blew out the fuel lines with compressed air, and wrapped them in foil insulation where they might be exposed to heat from the exhaust. — Removed the fuel rail, took out the valve core (it’s just a bicycle valve), and blew air through it.

What’s the problem with my old Polaris sled?

I have a strange problem with my old Polaris 500 EFI sled, it started last winter when i had the sled idling out on the street for around 10 minutes.

Where is the relief valve on a Polaris ATV?

Bleed fuel pressure through the relief valve located at the end of the fuel rail on the right side of the machine. If you have a fuel pressure tester with a relief button, then use it. If not, wad up a paper towel around a small screwdriver and press in on the valve for a couple seconds. The machine is clean now…I promise.

Fitted new plugs yesterday, pulled the rope the efi pump kicks in but it didnt start after that pull, but the fuel pump kicks in every pull on the rope. Sprayed starting fluid in the intake started on 2 pull, runs like normal again. Turned it off again, started on the first pull again.

I have a strange problem with my old Polaris 500 EFI sled, it started last winter when i had the sled idling out on the street for around 10 minutes.

How does the ACS work on a Polaris snowmobile?

The ACS is supposed to send power to the computer via the orange/blk wire when the ACS receives voltage pulses from the stator which would indicate the engine is rotating. but if you ever forgot and left it on say overnight you would find the battery would be dead by morning.