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I'm due to change the rear swing arm bearings on my Trx300 fourtrax. I've searched on eBay and different sellers show different bearings, taper roller and ball bearing.
All the companies/sellers show the same model year so I'm a little unsure wether it is possible to use either type of bearing or if they have the model date/year wrong or possibly the image.

Can I use either or is there a difference in year?
 

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I have installed both roller and taper swing arm bearing of my 300's , I just bought a set of bearings and seals for my swing arm stretch project and I went with OEM from Partzilla

I am to the point that I am only going to use OEM bearings , I had enough of allballs , moose and boss , if you are going to ride around in your yard then the after market bearing will do , but I really feel the after market doesn't hold if to extreme riding , they are cheap for a reason
 

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I agree with you there Fish. I've come to the conclusion that most of the internet sales companies are selling Chinese 'junk' at the same price or more as a branded part just to stay competitive online.
The two companies I've found both types of bearing with are bearing manufacturers so I'll give them a try and see how they hold out.

What type of bearing to Honda fit from the factory, taper roller or ball bearing?
 

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I agree with you there Fish. I've come to the conclusion that most of the internet sales companies are selling Chinese 'junk' at the same price or more as a branded part just to stay competitive online.
The two companies I've found both types of bearing with are bearing manufacturers so I'll give them a try and see how they hold out.

What type of bearing to Honda fit from the factory, taper roller or ball bearing?
either one will work, the ID and OD does not change, all they change it the way the bearing is made, that's it.
 

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I agree with you there Fish. I've come to the conclusion that most of the internet sales companies are selling Chinese 'junk' at the same price or more as a branded part just to stay competitive online.
The two companies I've found both types of bearing with are bearing manufacturers so I'll give them a try and see how they hold out.

What type of bearing to Honda fit from the factory, taper roller or ball bearing?


I'm 99% sure that the factory bearings are ball bearings, most aftermarket are tapered roller bearings....


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I agree with you there Fish. I've come to the conclusion that most of the internet sales companies are selling Chinese 'junk' at the same price or more as a branded part just to stay competitive online.
The two companies I've found both types of bearing with are bearing manufacturers so I'll give them a try and see how they hold out.

What type of bearing to Honda fit from the factory, taper roller or ball bearing?


I'm 99% sure that the factory bearings are ball bearings, most aftermarket are tapered roller bearings....


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your 100% correct, oem swing arm bearings are ball bearings, after market are tapered.
 

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I have a set of Boss swing arm bearings awaiting install on my 300 as soon as I finish rebuilding the 350d rear. They are ball bearings. Not sure about other aftermarket ones

Fishfiles, I hope you're wrong about the aftermarket bearings. Once I replace the swing arm bearings, probably next week, it will not have a single OEM bearing left in it.

I do pull the seals and pack as much Red-n-Tacky in them as I can. Hopefully that will add some life to them.

BTW, there is dude that makes a replica of the OEM swing arm retaining nut tool that allows for proper torquing. His website is dhsracing dot com. Email him and tell him you want the retaining nut tool for a Honda ATV. $35 shipped for the tool or $40 shipped for the tool and 17mm Allen.
 

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Discussion Starter · #8 ·
Thanks for the advice regarding the retaining nut tool Mike. I did wonder how difficult that may be to remove, doesn't look like mine have been changed for a LONG time!
 

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I never worry about the lock nut on the swing arm bearing for the right rear side when removing the bolt ?, I just unscrew the bolt, most times they come out no prob. if you start on the left rear side first ?, the right rear side will only go so far before you feel it bottom out, then you tighten down the lock nut if you need to ?. nothing a punch and hammer can't handle..lol.
 

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and you will need a 17mm allen wrench, bought mine at sears awhile back, about 10 bucks.
 
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Thanks shadetree, if something is usually a bit stubborn I get it warm with the blow torch, bit of heat always does the trick :) or as you say, a good old hammer lol.
I'll try good 'ole eBay for an Allen key.

Thanks everybody ;-)
 

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Thanks shadetree, if something is usually a bit stubborn I get it warm with the blow torch, bit of heat always does the trick :) or as you say, a good old hammer lol.
I'll try good 'ole eBay for an Allen key.

Thanks everybody ;-)
don't need heat, a 17mm allen wrench, and a 3ft cheater pipe is all I use, I break them loose every time :). oh, and your welcome. you can get the 17mm allen wrench at harbor freight if you shop there ?. as I said, bought mine at sears awhile back.
 

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Discussion Starter · #13 ·
Thanks shadetree, if something is usually a bit stubborn I get it warm with the blow torch, bit of heat always does the trick :) or as you say, a good old hammer lol.
I'll try good 'ole eBay for an Allen key.

Thanks everybody ;-)
don't need heat, a 17mm allen wrench, and a 3ft cheater pipe is all I use, I break them loose every time :). oh, and your welcome. you can get the 17mm allen wrench at harbor freight if you shop there ?. as I said, bought mine at sears awhile back.
Awesome, I'll give it a whirl when the bearings arrive. I ordered an Allen key (wrench as you say lol) and an Allen key socket for my 1/2 inch ratchet/bar just incase I needed more leverage.
 

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Just dont tighten it too much. Tends to 'spread' things out a little . :blink:
ummmmm..wanna explain this ^^^ ?. I've dealt with a ton of swing arm bearings, from seized to having to drill through the swing arm to knock the other side out, and ive not once seen where they spread the frame out ??. no way for the swing arm bolts to push the frame apart ?, as there is nothing behind/in/around the bolt area to push against, cept that little ole tin plate that's behind the bearing ?, what will force the bolts to push on ??, or am I missing something here ?. the swing arm is hollow where the bearings ride bro :).
 

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I agree with over tightening does push the frame , you can see happen it if you watch it close and over tighten it -------- I tighten the left side to 83 lbs , and then the right side adjuster to 36 in lbs which is 3 ft lbs ( practically nothing ) , and the jam nut of the adjuster to 83 ft lbs ------if you over tighten the adjuster you can cause damage to the bearing
 

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I agree with over tightening does push the frame , you can see happen it if you watch it close and over tighten it -------- I tighten the left side to 83 lbs , and then the right side adjuster to 36 in lbs which is 3 ft lbs ( practically nothing ) , and the jam nut of the adjuster to 83 ft lbs ------if you over tighten the adjuster you can cause damage to the bearing
I will agree, you can damage the bearing if you over tighten the bolt, but I don't see how it can spread the frame ?. I guess I don't go to town to hard when I tighten my swing arms ?..lol.
 

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it doesn't even take too much pressure to move the frame --------------------- screw force is a pretty powerful thing , let me demonstrate it by tightening up on the vise with your finger in it , the opposite direction of movement but the same force
 

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it doesn't even take too much pressure to move the frame --------------------- screw force is a pretty powerful thing , let me demonstrate it by tightening up on the vise with your finger in it , the opposite direction of movement but the same force
well, now that I think more on this, it is posb to spread the frame ?, but !, as you said, you will damage the bearings, because that bolt will be pushing on them, and they will stop on the back side of them, sooo yeah, it will spread the frame, but deff damage the bearings in the process !!!.
 

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Definitely can spread the frame, maybe that's why aftermarket are tapered rollers, they can take the side load better than roller bearings.


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