06 Sportsman 450. What is this part?

I am having to replace all of the rear bushings and brake pads. Every single bushing has disintegrated. I had to remove the axles to gain access to the upper A arm bushings. After putting everything back together on the right side I started to pick up my tools and found a small peice with a spring on it laying on the tarp that I was working on. I pulled the break calipar back off and it doesnt seem to be missing anything. I had to remove the hub to remove the axle but I dont see anywhere for it in there either. Im at a loss and im not about to let my kids back one it while a peice is not in place. If anyone can help me identify this part I would be very greatful. I'll attach a picture of the part.

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New Battery Keeps Going Dead

I just put a new battery in my predator 500 and it is already did after a week. What am I doing wrong. I bought the quad last year and didn't seem to have this problem last year. Does the key and the Run switch both have to be off. Because I have been just turning the key off. Is there a lead off the magneto and relay or something that charges the quad when it running?

Hitch Questions

As we know, our expensive, top-of-the-line units dont have a 1 1/4" receiver hitch on the back-they have an embarassing facsimile thereof. Polaris sells a "Rear Hitch" that appears to bolt on to this embarassing appendage. Is that what I need to attach a 2" Ball with 3/4" shank? Here's the link to Hitch:

https://atv.polaris.com/en-us/shop/a...ering/2873036/

Thanks,
Scott

Fuel tuner

09 outlander 800 xt. I'd like to buy a fuel tuner as I've heard my machine runs a bit on the lean side and would like it to run cooler, also heard they give you a bit more hp. I'm running the stock exhaust but wouldn't mind putting a slip on in the future. Any suggestions idk where to start...

570 sportsman front diff

Hello.

Recently was doing fluid changes on my 570. Found no fluid in front diff. Took it to a shop. It went from seals(460) to new diff (1900). I told the shop not to fix it since 2000 was more then my budget allows.

I'm wondering what machines share the same diff as the 570?

See a few on ebay used about 600-700.

Is there an upgraded one somewhere?

It was still working when I was riding....kinda surprised by all of this.

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Sportsman 600 carb specs

I need the carb specs for a 03 polaris sportsman 600. I need to know the float height specs and would like to know the thickness of the main jet washer. Seems I lost it or else it wasn't in it when I took it apart. Please help I would greatly appreciate. I have a Haynes manual but it skips the 600 and 700 carb models. Thanks

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Brand new 17 850xt problems

So yesterday i bought a new 2017 outlander 850xt. Took it for a little ride today with the wife about 3 hours. After the ride i went down to my neighbors house to show him the bike and going down his steep driveway (about 10mph)the bike backfired/popped a little and died IMMEDIATELY. Seen the check engine light flash quickly. Kinda pissed as i rolled down to his front porch on a dead bike... so i let it sit for 20 minutes or so while i talked to him and tried to start it. Hit just a little then after a minute nothing.. had him tow me back to the house with his kabota utv disconnected the battery for a few tried to start again and NOTHING. Won't hit at all. Bike has 57 miles and 3 hrs on it. Dealer is 4 hours away. So any ideas of anything else simple to check before i haul it back and dump in the parking lot would be a GREATLY appreciated! My previous 12 800r had zero issues.

Rubbing inside of clutch/belt cover

1997 Xplorer 300:

Apologies for not removing the clutch/belt cover before hand. It maybe obvious once it's removed.

I noticed the other day after shutting off the engine that there was a noise coming from the engine. Today I started it up and got closer to the engine and could hear something rubbing against the plastic centrifugal clutch cover, right where the centrifugal clutch is located. When I shut the engine off, it sounds worse for about 1 second. It's a metal to plastic noise.

I have not had a chance to pull the cover but once I do what would I find? My guess would be the centrifugal clutch has backed off the engine. Perhaps the bolt that holds it on has worked loose?

Otherwise the clutch does not slip.

Anybody ever had this happen before?