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Subject: tire change
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bauerwielingaUser is Offline
Bone Stock
Bone Stock
Posts:1

10/04/2008 11:01 PM  
I am running an '89 honda 300 trx. I am upgrading my tires from 23x8x11(f) 24x8x11(r) to 25x8x12(f) and 25x12x12(r). My 300 is 4x4 all the time. Will this increase in size be problematic?

webby4x4User is Offline
Forum Admin, Magazine Editor
Rock Star
Rock Star
Posts:2375


10/05/2008 11:42 AM  
I'm not an ATV expert, but I can tell you what happens when you do this to a truck...

1) Your fuel mileage will go down (tires are bigger and heavier) 2) Your overall gearing will change, which will result in a loss of power and decreased fuel mileage 3) You'll put more stress on parts like axle shafts, gears, lockers, brakes, etc. because the tires carry more spinning mass.

It doesn't look like you're going too crazy in tire size change, but I'll let one of the other guys on the boards also weigh in.



Rick

Rick Webster

Editor, 4X4REVIEW.COM - A Tork Media, Inc. Publication

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'74 FJ40 Land Cruiser

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BarryUser is Offline
Bone Stock
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Posts:18

10/09/2008 2:32 PM  
Ok, I am not an expert, but I do love ATVs and working on them. I know for a fact that bigger tires will always help with offroading. The bigger the tire the better. But he is right, you will lose a little torque and a little mileage, but nothing too bad. If you are going to upgrade the height, than upgrade the width too. With 4wheelers, the taller the tire is, the wider it needs to be or your going to be looking at flipping it every time you want to go crazy with it. If that is the size that came on the 4wheeler when you bought it, then an increase of 1 to 2 inches is great, but dont do anymore than that unless you get a lift and some heavier axles. But yes, you will see a big difference in the ability to go throught deeper and softer mud than before if thats what you are looking for.

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