Manual 4x4
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By HISUN Sector 750 EPS Failu
"Mrs. Smith" doesn't like how loud our Sector 750 is. On a HISUN forum someone said the same thing about his 750. I haven't given it much thought because I've been more focused on stuff that has broken.
So, I used my decibel meter to check ours out. 4000 RPM, Low gear, under 20 MPH . . . . 97 decibels. That's above most ordinances, even state boat noise limits.
AI Overview Ninety-seven (97) decibels is considered very loud and dangerous to hearing with prolonged exposure, roughly equivalent to a newspaper press, a loud nightclub, or a snowmobile. At this level, damage can occur after just 30 minutes, necessitating hearing protection -
By Sidewinder
All mid 2008 through 2014 Polaris RZR 800 series have a big problem with the rear differential pinion nut backing off, allowing the pinion gear to shoot into the rear differential, destroying the rear differential. This has happened with machines with as little as less than 100 miles on them! Reports indicate that there are no problems, nor warnings, until the rear differential grenades, locking the rear axles solid! This requires the machine to be lifted onto a trailer, to be transported for rear differential replacement, as it destroys the case. After failure, rear differential replacement can be quite expensive: labor alone can run from $800-$1200 and a new OEM Spicer rear diff, if you can find one, can run from $1700-$2500! So, if you own any Polaris RZR 800 series between the years of 2008-2014, I recommend that you do this repair before further use of your machine. personally, I have grounded my machine until it can be done. Please check the online post for your own awareness.
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By Stan M
I just received my 760L a couple of days ago and it's been difficult to shift between gears from the get go. At first I could rock the unit and it would free up for a while but now it's just stuck in reverse and rocking doesn't work. I had the UTV delivered directly from Massimo and there aren't any service centers in my area. Any ideas? Thanks
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By Ironhorse
New owner of a 2025 Bighorn Timberland 450LX. Looking for a link for a service manual for it.
Not having any issues, but I like to have them on hand for my equipment.
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