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By William Carberry
I have a MSU 500. I will start and run but requires basically full throttle to move. Does this machine have a drive belt? If so how difficult to change?
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By Tim Barbero
I left my 2020 axis 500 UTV parked under the carport for about 6 months and when I went to start it recently a squirrel has built a nest under the throttle body and chewed through the efi harness. I stripped all the wires back and reconnected them with waterproof butt connectors. The problem I have is there is one blue wire with a red stripe coming from the main harness this wire has 5 volts dc showing on my multimeter but there are two blue wires with a red stripe coming from 2 different sensors on the throttle body. I looked through all of the bits and pieces of wiring left behind and there’s no indication that the three wires of the same color were all tied together. Any help with this issue would be greatly appreciated.
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By lozomex
After a few days of heavy rainfall I got in my Sidekick and noticed that the belt seemed to be slipping as I was making my way out on a large property. I turned around and could barely make it back to my shop. After removing the cowelling I noticed about a quart of water drained out. I dried the area, the cover and checked the belt. No signs of dammage, belt looks great and no foreign debris other than water in the area. I put it back together and there was a definite improvement. The Sidekick is driveable now but the belt still slips but only at a higher speed and only when the throttle is punched. I'm wondering whether I may have inadvertently damaged it while it was wet and have ordered a new belt. I have looked on line to see if there is a guide or procedure, specifically for the CVT belt removal and replacement for the 850 but can find none. Does anyone have experience with this?
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By Tim Nelson
Ok guys, my turn...
Working on my neighbors 2017 Massimo MSU-500. Initial complaint was it would start and run for about 10 minutes and the just die. He replaced the fuel pump and still had the same issue. I stopped over one day to look at it and saw that it had codes flashing on the dash; 505, 336 and 337. We decided to get a new stator/crank sensor. Took it apart installed the new stator/crank sensor and nothing. It won't even start. I checked the pins on the crank sensor plug and one was in the wrong place, so I repinned it and it still won't start. I double checked the connectors and all is good. I checked the wires from the ECU to the coil, good. It appears to have spark every once and awhile but not enough to start. I replaced the coil with a known good one and still nothing. I bought the cables and downloaded the ECU hardware and everything looks good. I pulled the timing cover back off to check the flywheel keyway, it is good. I checked the timing and timing chain, good. I checked the valve lash, good. I have to put it back together but just wanted to post in case there is something else I should check before hand. I checked the 9 pin connector and it is clean. I have battery voltage on the purple wire and pins 15 and 18 on the ECU. I pulled the air filter off and I am going to put a new plug in it just for the heck of it. What ECU inputs would prevent it from starting? Why would it now not start at all after replacing the stator/crank sensor? It has to be something simple. Any help would be appreciated.
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By shaught66
I bought my axis a couple months ago and noticed that when I turn my lights on, I have no tail lights, no licence plate light, and one of my high beams doesn't work. I switched the bulb in the headlight and the bulb works so it isn't it. I have brake and flasher lights but not tail lights. I have been waiting for a mobile tech but I would like to drive my utv at night. Any help appreciated.
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