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By Robert G1
Hi all. I'm new to the site. A few years ago I bought a used Massimo. Recently I've had a issue driving above 25mph. The engine won't go any faster. In fact it seems to sputter and hesitate. The whole engine shakes. I've changed air filter.oil,oil filter, throttle cable oil/air cooler,and carburetor and still no luck. I was wondering, could it be the fuel pump. Should I invest in an electric fuel pump? I'm just not sure. It starts fine and revs while in neutral. Any advice would be great. Thank you
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By techno10
Had this utv for a couple of months and bought it with this problem. Sometimes it will move thru the gears with no problems, but most of the time there’s a resistance to go from one gear to the next. What helps is to give it a little gas to get it to change gears. I’ve tried adjusting the turn buckle connected to the gear shift, but didn’t help. Anyone have any advice?
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By Greg Kilgore
Got a good deal from Lowe's on an Axis 500. Same as the Hisun HS500. So I've been told.
Anyway the wife is 5ft nothing and has trouble reaching the break and gas pedals. I'm needing a solution for making an adjustable seat for her when she drives. But has to go all the way back for me. Or my knees will be in the steering wheel.
Anybody got a solution. Also don't like the fact that the seats are held in by the plastic.
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By Bryan T Mumink Jr
I recently bought a rear for my cammando from joyner and somethings not right the cv axles fit fine but the output shaft is different any one ele run into this problem or have an idea to make it work? Im gonna email joyner today and see if they can help but i figured someone on here might know something.
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By Samuel Girten
So I have a msu400 efi. Ran fine, pulled it into the shop to do my typical routine maintenance, cleaned air filter, change oil, etc.
So now it won't run right. Starts and idles, stumbles on acceleration. If I baby it I can get it moving, but dies after a few hundred feet and then is hard to start. Will start back and idle just fine as long as you don't rev it up.
So what I've done so far.
Verified fuel pressure at injector, never losing it. (54psi)
replaced fuel injector. Verified spark right after dying (sparking like hell)
checked valves. ( Proper clearance) replaced map sensor, idle control sensor, and tps. (No change)
disconnected negative battery cable for 20mins (no change)
checked exhaust, (free and clear)
Checked air filter again and intake tube (all good)
After it dies or if I just let it sit before starting it, it throws code 113, which I've seen is IAT voltage too high or open circuit. I have a 4 wire sensor and am not sure the wiring back to the ecm nor can find a good diagram. Not even sure if this is a problem or just a code it would throw if it is just not running.
Any help would be appreciated
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