AIR FILTER UPGRADE
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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 Eman85
I have been searching and can't find much info on these units. Pretty surprising as every other thing I own I find a lot of info on. Researching for tech info and such it's like no one owns any of these yet I see them everywhere.
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By Pop Bob
I had been driving for about 15 minutes, everything fine. All of a sudden the engine was surging, losing power, would run with 1/2 throttle or greater and was backfiring badly. Luckily I was close to home and got it back. The tipoff to me was that I thought I was hearing intake noise. Sure enough, the rubber boot which connects the air cleaner and intake piping to the throttle body came loose. Obviously the computer was confused. It turned out to be an easy fix, but this is now added to my inspection list. Just thought this might help someone else.
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By Debbie Hogan
I realize this part is discontinued but im trying to find this exhaust pipe fir my dads 550. His brother who has since passed bought this mule for my dad who is now 90 and he is trying to fix everything on it. I'm willing to take a used one. A new one would be great if someone still had in stock. I'll take anything as long as it is in workable condition. If anyone has any ideas for me im open to hearing them. Thank you so much.
Debbie fm Texas
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By oakhill
When I am moving forward on my Hisun 500, the motor accellerates up and down while I have my foot on the gas pedal. It also is not idling very well. Both symptons appeared at about the same time. What should I look for? Thanks.
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