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I have a 2013 Sportsman 400 HO and was able to find and download a service manual for the 2012 model.. Has anything changed much or should I be good to go?

Hey all,
where is everyone buying their CVtech clutch's from? I called a few places and some are telling me they custom tune them, others say they are straight drop shipped. Would figure they have to be tuned to what my machine is running (tires, exhaust, mods, etc...). Just want a good place if im gonna spend this kind of money.
Also, is it worth doing the secondary clutch as well or is primary good enough?


right now im running 30" tires but thinking about 2" lift kit with 32" or 33" tires.
HMF exhaust
HMF tuner
SYA Snorkel

changed thermo,fan switch cleaned rad.and still overheats.fan will not come on,and water not flow,any sugg.or should I take to shop? thanks

Hi everyone I am new to the atv world. I bought a 2014 sportsman 570 eps the other day. It was used in winter to plow and stored the rest of the year. It had 45 miles and 2 hours. I was riding around the block as I heard a few loud pops and stalled, and then it wouldn’t start back up? Any idea on what the problem could be. Yes it had gas and oil. Thank you I’m advance.

Hi everyone I am new to the atv world. I bought a 2014 sportsman 570 eps the other day. It was used in winter to plow and stored the rest of the year. It had 45 miles and 2 hours. I was riding around the block as I heard a few loud pops and stalled, and then it wouldn’t start back up? Any idea on what the problem could be. Yes it had gas and oil. Thank you I’m advance.

Throttle stuck wide open. Label on throttle control states ". . . this machine equipped with ETC, Electronic Throttle control, to PREVENT stuck throttle situations"

Uh, yeah, right! Wiped out my wife's flower bed and hit a tree at full throttle 30 minutes ago with brakes on full and wheel sideways trying to avoid. . . had to turn off key switch to stop. Now it is running WOT at IDLE even. What a . . . expletive removed but there were lots!

Some symptoms:
-- lately it has acted up a bit by going to high throttle and then self-reducing back to normal so I have opened up the throttle control and see nothing wrong, spring and cable seem to be working normally. This has happened at random and only a bout 5% of time in use.
-- noticed smoke coming from a white wire up front on left where a bundle of wires enter a little black box behind radiator, out in open fastened to a bracket holding the back of radiator. Smoked stopped quickly. Seems like the timing may correlate with start of these problems or soon thereafter.

WHAT is that little black box? about 4x3" x 3/4" thick. see photo.

Why would a wire be SMOKING? Aren't there fuses to prevent stuff like that?

Dealer not open yet today but I would appreciate some input on this. Could it be the ETC system is that black box and is that the thing actually causing the problem, ironically, since it is supposed to actually PREVENT this?! Unreal.

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