Options For Wheel Upgrade to Replace 4.80-8 Wheels and Tires on Jetski Trailer

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Question:

Hi, I was just looking through your site and didn’t see what I’m looking for so I figured I’d just ask. I bought a jet ski and it just has basic wheels on it so I’d like to upgrade them to something nice. It’s a small wheel so I don’t know if you would have anything like that or not. The tire size on it is 4.80-8. If you have something I’d like to see what you have. Thanks.

asked by: Jason F

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Expert Reply:

Hey Jason,

All of the wheels for your Jetski Trailer in the 8" size are going to be the same plain wheel you currently have. As long as all of your wheels are still usable, the easiest thing to do is to stick with them.

If you have enough room on your trailer to go with larger wheels, you can get a better looking wheel stepping up to a 12" wheel like # AM22319HWT if you have the the 5 on 4-1/2" bolt pattern, or # AM22318HWT if you have the 4 on 4" pattern. You'd need a 4.80-12 tire # TT48012C for each wheel as well.

These are going to be a little over 4" taller overall, which will push the top of the tire about 2-1/4" closer to the bottom of your fenders. You may be able to just move the fenders up on your trailer, or you may have to use a lift kit for your trailer to fit a tire and wheel this size. If you can send me pictures of your trailers I can take a look and tell you what work you'd need to do to make it work.

expert reply by: Samuel C

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Answer 1

Hey Damron, so we don't have ability to mount tires here but a 225/75R15 would fit and work great on the Aluminum AM03 trailer wheel part #AM88NR that you referenced like the part #TTWTRTM2257515D. You'd just need to find someone to mount…

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Answer 2

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 3

The difference between an load range C and load range D tire in the same size is the capacity and psi rating. The two tires will still have the same dimensions and fit on the same wheel. The D rated tire has a higher capacity. For a ST175/80D13 like…

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Answer 4

Since both a ST145/R12 size tire, like the Kenda Karrier S-Trail #AM10130, and a 5.30-12 size tire, like the Kenda K353 #AM10068, fit a 12 inch wheel, a ST145/R12 size tire can replace a 5.30-12 size tire. Keep in mind that these tires do have…

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Answer 5

The 5.30-12 tires, being wider, are going to make more contact with the road. This means that the noise, and heat build up will be higher than a 4.80-12 tire but the rolling resistance will actually be less because the tire is larger diameter. The…

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Answer 6

Load range B trailer tires are going to have a lower capacity than C load range tires. Basically that, psi rating, and the ply rating are the only differences. A higher load range tire would last a little longer than lower load ranges of the same…

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Answer 7

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

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Answer 8

The three most common lug stud sizes for a trailer are 1/2"-20, 9/16"-18, and 5/8"-18. In order to make sure you get the correct lug nuts you need to measure the lug studs on the trailer now as we have no way to look this up for…

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Answer 9

Your math is correct in your trailer weight load example. If a fully-loaded tandem axle trailer weighs 4000-lbs then each of the 4 tires will bear 1/4th of that load, or 1000-lbs. In this case a tire rated for 1300-lbs would provide a good safety…

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Answer 10

The two sizes you mentioned are pretty similar and fit many of the same 15 inch wheels. The 205/75-15 fits rim widths of 5 inch to 6-1/2 inch whereas the 225/75-15 fits widths that are 5 inch to 6 inch. The 205 is 27.1 inches tall and the 225 is 28.4…

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Answer 11

Tire designations ST205/75D14 and ST205/75R14 are both for special trailer tires with a 205mm width, 75-percent aspect ratio and that fit a 14-inch wheel. The difference between them is the tire's type of construction. The ST205/75D14 tire is a…

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Answer 12

Karrier and Loadstar are two different brand names used by Kenda. There's no difference in quality or function between the two brand names. For a ST175/80-13 Radial trailer tire in load range D, I'd recommend part #AM10210 if you're…

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Options For Wheel Upgrade to Replace 4.80-8 Wheels and Tires on Jetski Trailer

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