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19 Posts
i have a 88 300 four trax and only the left rear tire is pulling well it seems that way ever time i get himed up that tire is off the ground and it is spining like crazy but i go no where. did i break something?
88 300 fourtrax rear end
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104 Posts
believe your hub spline is gone. hopefully you didnt strip your axle
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19 Posts
ten four that dont sound to bad
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19 Posts
what years will work with the 88
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104 Posts
it's not. park it on level ground, loosen the lug nuts, jack the rear up, take the tire off that isnt spinning, take the cotter pin out loosen the casle nut, (may take an impact wrench), then slide the hub off. Inspect the splines on the axle for wear and tear. If they're ok, regrease them before you slide the new hub on. do yourself a favor and order a hub with the lug studs already pressed in. Tim.
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104 Posts
not sure about the years that work, besides the 88 
...... helmut could probably answer this. he or shadetree.
...... helmut could probably answer this. he or shadetree.
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23,587 Posts
The only difference in the axle for any year, is that the earlier year axles had, either shorter hubs or longer hubs and I can't remember if the earlier ones had the short hubs or the long hubs. If you have to buy the axle and both hubs, it wouldn't matter which year, but if you just buy the one hub you will have to know which years will fit. Maybe Shadetree can remember which years used the short hubs and which years use the long hubs.not sure about the years that work, besides the 88
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19 Posts
ten four. do yall know why it is hard to shift sometimes. low oil maybe?
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23,587 Posts
Make sure the oil level is correct and you can try adjusting the clutch free play.
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19 Posts
how hard is it to adjust the clutch free play
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23,587 Posts
Find the adjusting screw on the right side of the engine. The adjusting screw takes a flat screwdriver and it has a locknut on it, I believe 14mm.
To adjust, loosen the locknut and slowly turn the adjusting screw counterclockwise until you feel resistance. Turn the adjusting screw clockwise 1/4 turn. Now, hold the adjusting screw while tightening the locknut back down.
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38,589 Posts
the early years on trx300's used the long hubs..they changed the wheel hubs lenght's in the first of the '90's..like '90-'94 or so..if your not sure which one you need..you may be better off just getting the whole axle and both hubs..inspect your axle..see how bad the splines are on it ?..it's probally about worn anyway.
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104 Posts
Atleast remove your axle and check the splines that ride inside your gear/pinion differential. I would imagine if your axle doesnt have splines on the ends it wouldnt have much left inside the differential. Depending on your recent repairs to the rear end, you may be up for a full rebuild. Lets hope not. I just finished putting a new axle in my 300. Easy as long as you dont remove the drum from the panel:redface:
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104 Posts
if you are really strapped for cash you could always weld your hub to the axle.
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38,589 Posts
bad idea to weld the right hub..you won't be able to remove the brake drum..not without grinding the weld off.
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23,587 Posts
You can still change the brakes, though. You can slide the drum back enough to change the brakes, but you can't remove the drum all the way off the axle.
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104 Posts
oh yea i totally agree. I dont believe in rigging things. But the same could be said about the left side hub i think. Doesnt the rear axle have to removed from left to right?
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23,587 Posts
Yeah, if you weld the left hub, you can't get the axle out of the rear diff.
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