Why is my ATV running rough?

Why is my ATV running rough?

There are many reasons why an ATV sputters. The most common reason has to do with a carburetor problem like a tuning issue, vacuum leak, or gas leak. Other sputtering issues can be caused by an ignition issue. For the combustion chamber to work on an ATV, it needs air, gas, and a spark.

How much compression should a Polaris Predator 500 have?

The overall compression should be between 210 and 250 psi per cylinder.

Are Polaris Predator 500 any good?

The Polaris Predator 500 highlights the latest technology in the ATV industry, and its state-of-the-art handling, suspension, and power output make it a hit with riders of all kinds. It is undoubtedly one of the best-rounded ATVs of its time.

How do I know if my ATV gas is bad?

Smell is generally the easiest way to determine if your fuel is still viable. Motorheads will know what gas smells like from regular trips to the local station. If the smell is harsh, more like varnish or turpentine, it’s likely the gas went stale.

Can you run ATV with low compression?

An ATV will run with low compression so long as the engine’s compression is at a minimum of 100 PSI. Depending on the engine, most ATVs have a compression ranging between 100 and 250, while others could go up to 300 PSI.

How much compression should a Polaris 570 have?

Compression is up to 90 psi. Thats in spec, according to the service manual. Manual lists it as 80-120 psi, but I kind of expected it to be more toward the top end of spec on a new top end.

What spark plug does a Polaris Predator 500 take?

NGK Resistor
NGK Resistor Sparkplug DCPR8E for Polaris PREDATOR 500 2003-2007.

What kind of car is the predator 500?

But now I have an ’05 Predator 500 and it’s driving me insane. I got it off a guy that said it ran last year and I kind of know him so I don’t think he’d have any reason to b/s me. It’s super clean and not really modded up. Actually it looks all bone-stock save for the Yoshi exhaust can. So here’s what it’s doing… It’ll start up very nicely.

Why does my Polaris Pro Bike pop under load?

Also, if I’m cruising along in high gear, it doesn’t have issues. Steady throttle seems to be ok except around 3/4-WOT. Even under load. So it runs like crap acceleration from 1/4 throttle to WOT but at WOT for a few seconds, will clear out and run good for 10 sec or so before wanting to die.

How did I Fix my Polaris Pro Rider?

Pulled the fuel pump off and just ran gravity feed to the carb. Put it all back together, fired it up. Still acting like a red-headed stepchild. I found a wire down by the air box that was disconnected. I reconnected it and tried starting it.

How often does a Polaris Pro Rider pop?

It sputters, backfires, pops..you name it. Not so much sitting still but every time when under load. And it’s probably from 1/4 throttle all the way up.