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Hi,

I just bought a non running sportsman 400 (2stroke). Had a damaged counter balance gear, but otherwise in very good shape, low miles, ect. So I replaced the gears and bearings on the counterbalance. Put it back in and fired right up. The only issue is that it knocks at idle. Not real loud but noticeably. As it revs the knocking stops. The atv only has 1000 miles on it and the engine has 125lbs of compression. Any ideas on the source of the knock?
Thanks in advance,

Jack

I'm new the forum, I have a 2015 sportsman 570 efi, riding at Red Bank kept stalling before making it to trail head stalled 3 more times on the trail, then wouldn't start at all. Since then I can't hear fuel pump come on only ticking sound from relay (i think chassis) i switch it with the others but same result. New fuel pump and battery but same result, I'm at a lose, any thoughts?

Hi,
I'm new to the forum. Also new to owning ATV's. Bought my first one last September and now have bought 6.I enjoy wrenching on them about as much as riding. Currently have:
1989 trailboss 250 4x4
1993 BigBoss 350 6x6
1996 Sportsman 400l 4x4
1997 Scrambler 500 4x4
1999 Xplorer 400 4x4.

Jack

My 2017 sportsman 570sp hunter edition has 26X8r14 on the front and 26X11r14 on the rear. Seems to be a little difficult finding many choices for the front in the same size. Can I go to a 9” wide front with my stock wheels? I have the stock aluminum wheels that have came on the machine. I would like to bump up to 27” tires as there is more deals to be found on Craigslist but not sure if I would need to do a clutch kit or not. I will ride the occasional mud hole but mainly trails, gravel roads and the sand dunes. Thanks




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Just joined can-am forums.
Ive been combing the threads looking general tech.

I have a 2013 I bought new & currently only has just shy of 18hrs & barn kept.

I noticed the awkward shifting since new & even took it back to the dealer about a year out to see if it was normal in which they said yes.
I see it mentioned on can-am forum to grease the grease the 1-way bearing IDK.

Ive noticed the belt housing boots sadly cracking up.
Is there any upgrades for these boots?
(I have a 2007 450 yamaha thats been kept most of its life outside under a leanto that isnt dry rotting)

My yamaha needs rebuilding & I dont see me repairing it so I installed my 29.5x10x12 onto the can-am.

The rear clears the tires fine but the front will contact in the center of the footwell DURING turns.
I may have to take a heat gun to the footwell but Im considering changing the spring rate 1st as I can see I increased clearance between the tire/lug/cleat & footwell when I pull up on the front of the atv.


Any suggestions overall on the 400
or any info on the front springs?

Im still combing the treads when I get the time.


Thanks

Attached Images

File Type: jpg	20180921_095835 edit.jpg (1.33 MB)
File Type: jpg	20180921_100134 edit.jpg (2.47 MB)
File Type: jpg	20180921_100342.jpg (3.10 MB)
File Type: jpg	20180921_100447.jpg (3.88 MB)

Just joined can-am forums.
Ive been combing the threads looking general tech.

I have a 2013 I bought new & currently only has just shy of 18hrs & barn kept.

I noticed the awkward shifting since new & even took it back to the dealer about a year out to see if it was normal in which they said yes.
I see it mentioned on can-am forum to grease the grease the 1-way bearing IDK.

Ive noticed the belt housing boots sadly cracking up.
Is there any upgrades for these boots?
(I have a 2007 450 yamaha thats been kept most of its life outside under a leanto that isnt dry rotting)

My yamaha needs rebuilding & I dont see me repairing it so I installed my 29.5x10x12 onto the can-am.

The rear clears the tires fine but the front will contact in the center of the footwell DURING turns.
I may have to take a heat gun to the footwell but Im considering changing the spring rate 1st as I can see I increased clearance between the tire/lug/cleat & footwell when I pull up on the front of the atv.


Any suggestions overall on the 400
or any info on the front springs?

Im still combing the treads when I get the time.


Thanks

Attached Images

File Type: jpg	20180921_095835 edit.jpg (1.33 MB)
File Type: jpg	20180921_100134 edit.jpg (2.47 MB)
File Type: jpg	20180921_100342.jpg (3.10 MB)
File Type: jpg	20180921_100447.jpg (3.88 MB)

Have a buddy looking to buy a sportsman. We had a new 570 and an older 500. What year did they change from the 4wd being in the hubs to it being in the diff? I told him he should try to find one with it in the diff being that the only problems we’ve ever had was the hub 4wd style. Thanks

Got a problem with my sway bar and wanted to know if any of you had the same problem. My sway bar shifted a bit to the right, so doesnt sit perfectly in the middle.( So off set to the right) It also rubs a bit on the left coil spring because of this. I chamged the bushings, and even bought a new sway bar...no change still shifted. 🤔