2012 CF MOTO 500 parts after intake fire
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By Prepper
I'm working with a 2015 MSU-500. Basic symptoms are it cranks well, but will not fire. It has spark, and it has fuel spraying out of the injector (and spraying starting fluid into the throttle body and plug hole makes no difference). It has compression. I bought it not running, and no other information was available. It has 775 miles on it and 127 hours. It looks to be in very good shape. Previous owner replaced fuel pump, ECU, coil, plug, and the fuse/relay box that mounts on the firewall, then gave up.
My questions relate to cam/valve timing, considering the symptoms and diagnostics so far. My thinking was the woodruff key sheared off and the crank spun, making it out of time. My question is, by the pictures attached does anyone have an opinion as to the cam/valve timing being correct? In the crankshaft picture you can see a timing mark visible. In the camshaft picture I have arrows directed towards what I think are timing marks (which appear to be exactly 180 degrees from one another). However, the long arrow in what appears to be bolt configuration in line with the piston/rod line. Here is a puzzling note... in the position you see in the pictures... I have valve lash on both the intake and exhaust. I think it's at TDC, given the visible crank timing mark and valve lash on both valves.
Any thoughts ? Does this appear to be in proper valve time ? Have I missed anything simple ? Thanks in advance for your input.
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By CSM_Retired
Greetings, Can anyone advise the best place to order aftermarket and replacement parts for Articcat ATVs?
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By Homeowner A
Have an issue all the sudden where the UTV will cut out randomly mid range throttle and under load. Light consistent throttle on fairly flat ground no problems. If you quickly change throttle position sometimes it will bog down and cut out, splutter, etc. Floor it or let off and it may do just fine. Going up a hill and adding more throttle as the incline demands, will cut out splutter and smell unburnt fuel. So far doesn't ever completely quit. If you let off it will idle just fine. A lot of times if you floor it, it will pick up and even get a boost of power. Changed to a slightly hotter plug to see if that would make a difference, but it didn't . Any ideas what might be going on and what to try next?
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By mac66
I bought a used 2021 Axis 500 last April. Low mileage and got it for considerably less than what they go for new.
The first thing I did was change the oil/fluids and also put a new drive belt on it. The only other thing I did to it was add a rear vinyl window that zips open and rolls up to keep the weather off.
I used it on my 52 acre property to check trail cameras, service the food plots, haul fertilizer, seed etc etc. It's has a good size bed and is not too big or small. It has worked well as a utility vehicle.
Other than using on the trails working around the property I haven't used it much off road...at least until last weekend when I went on 74 mile group ride around the county. In my state it's legal to ride on any road that's not a state or federal highway. The group started in town, rode about 30 miles on back roads to the state ORV trail system. Then did about 20 miles on the trails and then headed back via back roads to town.
It had rained for 2 days straight prior, so the trails were one mud hole after another. It was very challenging.
The good...
-It worked fine, never had any kind of issue with it since I bought it.
-It kept up with more expensive machines on the trails. I was the only one with a CCC (Cheap Chinese Crap) machine.
-Fairly comfortable to drive.
-The roof, windshield and rear window kept most of the rain off when it started raining in the afternoon.
-Okay, I cheated. I peeled off the AXIS 500 stickers on each side. Everybody in the group assumed I had a Rhino. They didn't ask, I didn't tell.
The not so good...
-The horsepower rating on the 500-cc engine is 24 hp but it seemed underpowered. While I could go about 35 mph with the pedal to the metal on pavement and hard packed dirt roads the best I could do on loose packed roads was 27 mph. I had trouble keeping up with the others in the group. It also bogs down on inclines in high gear. On the other hand, in low gear and 4wd I didn't have any problems going through mud or sand or up hills.
-It is LOUD! Had to wear shooting earmuffs to keep my ears from ringing while riding. Going to have to address that.
Overall Impression...
I was impressed with it on the trails, and it is a good utility vehicle for working around the property. Considering what I paid for it I am very happy with its performance.
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By Troy C
I am new to forum but I have a 2012 polaris ranger 800 that motor went out and had it replaced and a year later here i am again so i am interested in converting it to EV . I am 72 but pretty active and live on 500 ac of land that part is in hills but most is in low land. I have no idea what i need or want so any advice will be appreciated. Thanks guys
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