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-   -   Front end shaking (https://www.polarisatvforums.com/forums/polaris-sportsman-xp-1000/177077-front-end-shaking.html)

rutcutter 09-30-2018 06:58 PM

Front end shaking
 
The last two rides my 1000XP has developed a shake in the front end, starts at around 49 MPH and get worse the faster I go. I am going to pull the wheels and start with a visual inspection of the components I can see. I hope I can see something obvious.


Anyone have a suggestion as to what to check first if I don't see anything?

Duse 10-01-2018 01:44 AM

Before you pull tires ,,,rod ends, ball joints and wheel bearings wear fast. I had 800 miles when I needed to replace ball joints and 1 rod-end on each side.I just replace everything with aftermarket.And since I was in there I switched to GP bushing's
Jack up front end
Put both hands on each wheel in the 9 and 3 o’clock positions. Gently push the wheel to the front and back simulating turning the steering. You’ll be looking for looseness in the steering. If one wheel moves slightly before the other, you could have worn steering tie rod ends.

Placing your hand at the 12 o’clock position on the wheel while then pushing in at the top will reveal loose wheel bearings. If there is any movement to the slightest pressure from the 12 o’clock position, you might have a wheel bearing issue.

The last test is for the ball joints that hold the upper and lower control arms to the wheel hub or steering knuckle. Pulling out, then pushing in on the bottom of the wheel while observing the Upper and lower A-Arms will reveal loose ball joints.

polman500 10-01-2018 03:19 AM

Do you have stock tires? It's always a good idea to check suspension/steering components regularly but out of balance/out of round tires are usually the culprit for high speed shakes in my experience.
My brand new 1k with no miles would shake its head like a mad bull from 45 on up. Replaced the OEM tires with good ones and now its smooth as silk at all speeds.
I've got a new set of PXT's for sale cheap if anyone is interested. They will have to be balanced though.

rutcutter 10-01-2018 06:08 AM

I'm running a set of Interco Sniper 920s 8 plys. Had them balanced BUT I ride hard and take a lot of rock hits at speed so they may need rebalanced. I'm going out to the shop to take a look at the machine. I will report back with what I find.


Polman, what tires are you running?


Mike

polman500 10-01-2018 06:14 AM

If it just started you may have just lost some weight off a wheel.

rutcutter 10-01-2018 08:16 AM

Just finished up doing my inspection, looking at what Duse suggested. Sure enough the inner tie rod ends have about a 1/8th inch of slop on EACH. I am surprised they didn't just fall off. The rest checked good. Unreal for a machine I bought new in May.:sad Still going to rebalance the tires.


Mike

rutcutter 10-01-2018 08:21 AM

I am in the last month of the warranty. Dealer just told me the tie rods are not covered. Normal wear and tear he said.

Anyone know of a better than stock tie rod end?

Mike

EDITED TO ADD

Just found an upgrade kit from a company here in Utah. Here is a link to the parts I ordered in case anyone else is interested.


https://www.ebay.com/itm/352138047139

rutcutter 10-02-2018 09:25 AM

Dug a little deeper this morning, pulled the wheels off to get them rebalanced and found the lower A arm bushings are shot. I know I ride hard but hell I only have 1600 miles on the machine. I lubed them every other ride and the machine has never seen any mud. We have been in drought with no rain for months. Getting kind of pissed, you would think a $12,000 plus machine would hold up better.

wkeggenhoff 10-02-2018 10:41 AM

Quote:

Originally Posted by rutcutter (Post 1391637)
Dug a little deeper this morning, pulled the wheels off to get them rebalanced and found the lower A arm bushings are shot. I know I ride hard but hell I only have 1600 miles on the machine. I lubed them every other ride and the machine has never seen any mud. We have been in drought with no rain for months. Getting kind of pissed, you would think a $12,000 plus machine would hold up better.

The OEM bushings are junk. This is the reason companies are making more durable ones than stockers. One of them even gives you lifetime warranty on the their replacements

rutcutter 10-03-2018 03:09 PM

Quote:

Originally Posted by rutcutter (Post 1391509)
I am in the last month of the warranty. Dealer just told me the tie rods are not covered. Normal wear and tear he said.

Anyone know of a better than stock tie rod end?

Mike

EDITED TO ADD

Just found an upgrade kit from a company here in Utah. Here is a link to the parts I ordered in case anyone else is interested.


https://www.ebay.com/itm/352138047139


Got them installed, they are a lot more beefy than stock. Time will tell how they hold up.


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