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-   -   Hawk 250 swing arm bushings (http://www.chinariders.net/showthread.php?t=17061)

alwaysbehind09 07-13-2016 01:30 PM

Hawk 250 swing arm bushings
 
Does anyone know where these can be found at? I am not having any luck on finding these. There was a lengthy post on replacing these but no answere on where to find them at. Any help will be appreciated!!!

Ariel Red Hunter 07-13-2016 03:15 PM

Quote:

Originally Posted by alwaysbehind09 (Post 224733)
Does anyone know where these can be found at? I am not having any luck on finding these. There was a lengthy post on replacing these but no answere on where to find them at. Any help will be appreciated!!!

Wow, a Hawk with worn out S/A bushings already? Couldn't be the S/A hinge bolt, could it. Many people do not grease that bolt when they assemble the machine. You checked the nut and washer on that bolt, right? :grr:

alwaysbehind09 07-13-2016 03:23 PM

a little over 1000 miles on the bike and they are toast!! it could had been from the bolt not being tight enough not sure but bolt looks okay. Chain kept coming off and finally diagnosed it last night. drove the bushing sleeves out and riding around town looking for a replacement is not fun!

Ariel Red Hunter 07-13-2016 03:31 PM

Quote:

Originally Posted by alwaysbehind09 (Post 224747)
a little over 1000 miles on the bike and they are toast!! it could had been from the bolt not being tight enough not sure but bolt looks okay. Chain kept coming off and finally diagnosed it last night. drove the bushing sleeves out and riding around town looking for a replacement is not fun!

First place I'd go to is whoever sold you the bike. That should be under warranty. I have made these bushings before out of 1/2 inch hydraulic hose and 2 extra washers each side, but that is what is called a PITA. :cry: I had to make some for my 500cc Triumph brush jumper, as I couldn't find any anywhere. Of course the Triumph was about 20 years old when this happened, so I wasn't real upset.

Weldangrind 07-14-2016 11:36 AM

Are the Hawk bushings the typical type, where there is a metal tube encapsulated by rubber?

Ariel Red Hunter 07-14-2016 01:43 PM

Quote:

Originally Posted by Weldangrind (Post 224843)
Are the Hawk bushings the typical type, where there is a metal tube encapsulated by rubber?

Typically, they are vulcanised to the tube(s) :p

Republic 09-12-2016 09:01 PM

I changed sprockets today and figured I should check since it would only add a couple of minutes. Boy am I glad I did, my bushings were utterly barren of any grease. Mine is a new July 2016 model also. I lubed it and the rear shock connection before re-assembling.

http://i.imgur.com/xBJBMGY.jpg?1

Entropy 09-13-2016 01:52 AM

The problem from what I've seen is that the inner metal bushing came out of the rubber inwards causing the swing arm bolt to wear away the rubber. Solution was to go to the auto parts store and buy some rubber hose to replace the damaged rubber and then cut a length of copper tubing to keep the two inner metal bushing from coming out.

BlackBike 09-13-2016 11:52 PM

Quote:

Originally Posted by Entropy (Post 231040)
The problem from what I've seen is that the inner metal bushing came out of the rubber inwards causing the swing arm bolt to wear away the rubber. Solution was to go to the auto parts store and buy some rubber hose to replace the damaged rubber and then cut a length of copper tubing to keep the two inner metal bushing from coming out.

A true china rider fix :tup:

As human being calls it , ghetto fix:hehe:

Davidwojo1059 09-17-2016 10:55 PM

swing arm bushings
 
Quote:

Originally Posted by alwaysbehind09 (Post 224733)
Does anyone know where these can be found at? I am not having any luck on finding these. There was a lengthy post on replacing these but no answere on where to find them at. Any help will be appreciated!!!

These bushings look a lot like those found on GY6 scooters used to insulate engine vibrations at mounting points. I have seen them on scooter parts web sites and eBay.

Davidwojo1059 09-17-2016 10:56 PM

Look at GY6 scooter engine bushing

humanbeing 09-18-2016 02:06 AM

Quote:

Originally Posted by Davidwojo1059 (Post 231490)
These bushings look a lot like those found on GY6 scooters ...

Same same but different !!!
GY6 ... https://item.taobao.com/item.htm?id=10167548341
---
On-roads https://item.taobao.com/item.htm?id=39507525911
on/off (Good old GY...) http://item.taobao.com/item.htm?id=537846737751
Pit bike https://item.taobao.com/item.htm?id=521552432809

pete 09-18-2016 04:28 AM

I know these things are built on the cheap..
but rubber bushes in the swing arm pivot
that just screams nasty...

they had them on the boys pitbike.. but on a bike
like this.... why..
I machined bronze bushes & sleaves for it

if yer can't find bearing to fit...
cut the eyes out of the swing arm... machine new ones
to take bearings.. weld them back in....
that would be my fix anyway....


...

Ariel Red Hunter 09-18-2016 02:33 PM

Quote:

Originally Posted by pete (Post 231508)
I know these things are built on the cheap..
but rubber bushes in the swing arm pivot
that just screams nasty...

they had them on the boys pitbike.. but on a bike
like this.... why..
I machined bronze bushes & sleaves for it

if yer can't find bearing to fit...
cut the eyes out of the swing arm... machine new ones
to take bearings.. weld them back in....
that would be my fix anyway....


...

I far prefer Oilite bronze bushings for this job, with a loose fitting spacer tube between them, and a grease zerk installed in the center of the swing arm cross piece. Not the one the shock is attached to.
A well greased bronze bushing is very hard to wear out, and it improves handling by reducing the tendency of the rear wheel moving from side to side. Try it. You'll like it.

ben2go 09-24-2016 11:04 PM

There are roller bearings that will replace those.Tho I'm not sure what size.I've never had one, so I'm not sure exactly how the rear swing arm is set up.The bearings need an inner race,aka sleeve,to ride on, and for the bolt to clamp down on, so the swing arm doesn't bind up as it travels up and down.


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