SIRJR76
you didn't say what year Sportsman, i'll assume it's 2005. my advice is to keep the stock tires. they are very aggressive and already 26".(same as my '05 SP500)

any bigger tire is a waste of $$ and eat-up A LOT of power. it really takes away from the fun factor. no spunk or snap. with bigger tires your son will think you bought him a slug and complain it's too slow!LOL!

my advice is to leave it stock.

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Thanks guys for all of the help. I already have a 98 500. I have been looking for this for my son who only likes to mud with his cousin. He is not into speed and thrills. He is a very overly cautious boy. I swear he is going to be a cross walk guardian. I made the mistake of putting a lift on my 98 and have broken a few expensive CV's in my 6 yrs of owning it. I just want to know what is the best mud tire and what size will fit them.

 

I wouldn't put any 26 or 27's on a 400 and maybe/maybe not on a 500. I would stick to the 26's on the 500. I have a 700EFI and am going to install either the 26 or 27's.

 

my bud just got the 'maxxis MUd bugs' ...they look great ...real deep tread for a 25" tire....i belive its 30mm

 

like I sed 25 or 25 inch outlaws ! they are the best. I am gunna put 26 inch 589s on my 500ho cuz i dont want a lift or a lose of power.

 

I'm not a diehard mudder. I do trail/mud/hills my 489's get me anywhere I want to go....I was dyeing to get aftermarket tires, but decided to stick with the 489's cause they are relitively cheap and work well

 

For the last 3 and 1/2 years now. I bought from Highlifter a set of 4 itp magnum billet alluminum rims and a set of 4 27 inch mudbugs. The mud bugs are one of the lightest 6ply. tires with 1.3 inch lugs. and of course the alluminum rims are lighter then the steel rims. No there not as fantastic as say outlaws or mudzilla's or vampires. but they are lighter and still have very excellent mudding ability and with alluminum rims. only a teeny bit heaver then what I started with.. if, of course, you have a grand to kill.
highlifter sent me those tires all the way from lousiana to northern minnesota, so fast I could not belive it. They put the rims on the tires for me since I bought the full set, so I only had to pull off the old ones and put on the new ones. my dad bought my stock tires and rims. Rangerchet.... you could sell your stock tires and rims and recop some of the grand.

 

agreed

 

04 Sportsman 400

Heelclicker CLutch kit/ orange primary
Dynajet Jet Kit
K & N filter

Will Wheelie in high (with body English) and Low no problems.
Top speed 55-60 range depending on the primary Im running .
Pulls a 2200 pound CHipper uphill across property no problems

Best bet for this machine would be a lite tire such as a Mudlite in nothing over the 26" size.

 

He sed "wanted to upgrade to the largest mud tire available" do you guys understand? outlaw is the best the 25 or 26 would be the best for the 400 and maybe a pipe and k&n kit to let it run ***** to the wall!