Engine knocking

ATV'r · #1 07-15-2007, 02:27 PM

I purchased RZR Friday-rode it, love it but unfortunately when I go home after 8.2 hrs of riding I started it to unload and I have a loud engine knock sound. Oil if fine but the the sound is loud...suggestions

dwaters · #2 07-19-2007, 12:22 PM

Quote:

Originally Posted by ATV'r

I purchased RZR Friday-rode it, love it but unfortunately when I go home after 8.2 hrs of riding I started it to unload and I have a loud engine knock sound. Oil if fine but the the sound is loud...suggestions

Wow that does not sound good. I assume you were doing engine breakin? How much time on the motor?

So the knock is at idle?

ATV'r · #3 07-21-2007, 10:23 PM

8.2 hrs on the new RZR-I took it to the dealer for service, dealer thought it might be a breakdown in oil-no change. The RZR does not do it all the time; cold start, after the ride. It sounds like it's not getting oil, but when you accelerate it stops. I took it back to the dealer, after the noise started again, they can't figure it out but doubt that it's bad. I don't agree-but I'm on my way to Yellowstone for 5 days of riding so I will put it to the test and report back. There is a slight vibration after the noise as well. The dealer is also calling Polaris Monday to research the problem further.

rzrwrecker · #4 09-03-2007, 07:12 PM

mine ticks a lot but its allways the same over 100 hr

prowrench · #5 01-15-2008, 01:57 PM

Unfortunately there have been many complaints reported like you describe with the Liberty engine. A manufacturing problem with the main journal and / or lower rod bearing on one or both connecting rods is often the cause.
I highly recommend you buy the extended warranty if you still can and did not when the machine was new. If you did buy it then pat yourself on the back, your going to need it. Your best chance of getting it fixed under warranty is to complain as often as possible to the dealer and tell them it's not "normal" for a new machine to do this. And call Polaris customer service daily so there is a well established record that you reported the problem early so that when it goes you can say "I told you so".

Good luck

Molson891 · #6 08-29-2008, 09:34 AM

My husband purchased a Rzr about a month ago. So far no issues but it's scarey to hear about this engine problem and also the water problem!!!!!! We did purchase the ext warranty but was in hopes of not needing it for engine problems!!!!!!!!!!!!! Very scarey after spending that kind of money on a "toy"!!! We don't live where we can ride our machines daily but we do love to put the miles on them!!!!

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