What does backfire mean on a Polaris ATV?
Hi folks, just a little info, the term backfire is through the intake system and afterfire / popping through the exhaust. Popping out the exhaust is a rich fuel from a closed throttle during the transition from on the throttle to abruptly closing the throttle.
How old is Polaris EFI EPs 570 sportsman?
My 2015 EFI EPS 570 Sportsman is one year old. Got about 40 hours on it. Drove around in some high water out at the deer lease last weekend (Houston area, lots of rain). After riding for a couple hours, we hit the hard pack dirt road and opened up the wheelers for some much needed speed and fresh air.
Is the Polaris 570 spark plug EFI?
Yeah the 570 is EFI. Try a new spark plug, the Champion that Polaris provided made my bike backfire a little. I use a NGK CR8EI I think. The NGK is already in,i too would say it runs to lean but with a EFI there isn’t really anything you can adjust.
Why does my Polaris 570 engine keep popping?
Full throttle,no problem at all,the time you let the throttle go it gives you this popping sound from the muffler. The same downhill,but not all the time. My Dealer like to convince me all of the 570′ engines are doing this.
Which is slip on exhaust system for Polaris Sportsman 570?
The Polaris Sportsman 570 is available as a Slip-On system in the Titan exhaust. The stainless steel slip-on system picks up 1-2 more horse power and torque throughout the power curve. The stock exhaust system measures 82dB at idle, with the Titan-QS measuring only 83dB and the Titan-XL at 86dB.
Hi folks, just a little info, the term backfire is through the intake system and afterfire / popping through the exhaust. Popping out the exhaust is a rich fuel from a closed throttle during the transition from on the throttle to abruptly closing the throttle.
How old is the Polaris 570 sportsman ATV?
Cariboo my brother you have found another with the same problem. My 2015 EFI EPS 570 Sportsman is one year old. Got about 40 hours on it. Drove around in some high water out at the deer lease last weekend (Houston area, lots of rain).
Yeah the 570 is EFI. Try a new spark plug, the Champion that Polaris provided made my bike backfire a little. I use a NGK CR8EI I think. The NGK is already in,i too would say it runs to lean but with a EFI there isn’t really anything you can adjust.