Hisun Sector 750 EPS- Valve adjustment at 20 hours
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By SteveMO
Folks:
I live on 11 acres that demands a bit of maintenance, and co-own a large farm a couple of hours away that I hunt on (professionals do the farming). My mowing/brush control/trail maintenance duties are handled by a 57" rough cut mower (Kunz brand), and I also drag logs and pull sprayers and seeders for food plots and such.
I've been using a pair of ATV's for decades to handle this work - a 750 for when I need real power (or need both machines at the same time when I have help) and a 500 cc with fixed rear axle for most duties.
Some of the places I need to work are VERY rough, and very three-dimensional, with steep ups and downs and some side-hilling I've learned the hard way not to try with my independent rear suspension 750, but handle with ease with my fixed rear suspension 500.
I've decided I want to sell the 750 and replace it with a UTV that I hope to use as my main workhorse. If anyone makes a working UTV that fits my specs that's what I'm gonna do. This is an all-work machine, I don't do any recreational riding so don't care about things like top speed.
So looking for advice on what models might handle what I'm looking for:
Gotta have:
2 passenger (1 row)
selectable 4wd
Power steering
Selectable gearing (not CVT)
Power-assisted dump bed
Engine cooling adequate for all-day slow-speed work in the summertime. Like towing a 700lb mower at 4mph all day in 100° weather)
Beefy tow rating, including tonque weight. Nobody ever mentions tongue weight because that exposes how crappy independent rear suspension is for towing safely in rough terrain.
Really want:
Selectable locking diff
Fixed rear axle (Isolates tongue weight from rear suspension. Holds more stable & consistent center of gravity than IRS over side-slopes and other complex terrain, and keeps geometry and suspension response consistent over wide range of tongue-weight of towed loads)
Slow speed cruise control (Factory option or aftermarket, covering at least 4mph - 10mph. For calibrated spraying and controlled mowing speed.
Muffler designed for quiet operation for comfortable all-day use, and to minimize disturbance for getting to hunting grounds. Not concerned about normal motor noise, but don't want something specifically piped to "sound fun".
Any advice on brands or models I'm most likely to have luck with?
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By Bill Hughes
Looking for tips on the engine oil change . First oil change is coming up in a month. Any tips from Buck 450 owners?
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By Dan_Lockwood
If you pay any attention to your UT400, you have probably noticed that the right front wheel tips in at the top a LOT. The left fronts seem to be about right from what I've seen. I look at them all when I'm at different stores just to see if they're all that way, and yes, they all seem to be that way.
There "should" be adjustments on either the ball joints or the inner pivot points, but these are solid, not way to adjust them.
I have the UT400 up on my 2-post lift and the right spindle seems to be around 3-deg tipped in at the top and the left spindle is about straight or maybe half a degree tipped in. This is at full suspension drop, not ride height. I took the shocks off and rotated the spindles from bottom travel to full max up travel, way more than the shocks will allow. The higher the spindle lift, the more tip in there is on both spindles. This is true because of the unequal upper and lower A-arms. It's just the nature of of the dual A-arms and them being unequal in length.
I took the inner pivot 8mm bolts out and inserted a lot smaller 1/4" bolts and pushed the lower A-arm inward and the angle on the spindle decreased. I then took the top inner bolts out and did the same thing, but pulled out instead. This got the spindle equal to angle of camber on the left side. I used the offset in the holes to see how much I need to go on the lower alone. I was also concerned about bottoming out the axle assembly because the spindle centerline will not be a bit closer to the front diff. But as it all turned out, it was not close to bottoming out.
I cut about 1/4" out of the two 1" A-arm tubes as they were welded to the lower ball joint mount casting. I tack welded them back together and trial fit it all together. That seemed to be about right. I took it all back apart and welded it up solid. Now it all looks to match the left side quite well.
Also want to use this in our yard and the stock tires are NOT turf friendly, especially with the solid "spool" rear differential. I found these on Amazon, 25x12-12" and 25x8-12" hard pack race tires as they're called. They're 6-ply and tubeless. The initial probably I had was that the size rating was not even close to the actual size. They said, install and then recheck the diameters and I did. They did get larger, but the rears are more than 1" smaller in diameter than the side wall stamping. Instead of 25", they're 23.75" tall. What I DON'T WANT are shorter tires. I had already purchased the used wheels at 12" to match the original factory diameter, but in hindsight I would now opt for 14" wheels with 4x110mm bolt pattern and would have been able to find a tire in the 27" diameter range a lot easier and cheaper. Live and learn they say.
Here are some pictures of before and after.
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By Curtis Marconnet
My 2020 General 1000 is hard to start when it is cold. The altitude where we live is 9200 feet. During this last winter after 8-10 tries it would start and idle for about 45 seconds and die. I was able to restart it it would run fine. I run 85 octane in it. I just got it back from a dealer that checked the fuel pump, the injectors and fuel filter, they said everything are good. Can anyone help me with this problem? Thanks
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