Yamaha G9 primary clutch bushing

Naragah · 07-29-2010, 08:19 AM

Hi all from Aus again I am still in the process of rebuilding the primary clutch on my Yamaha G9 I just found out that there is some up and down play on the primary sheave. Prob less then 1mm worth of play can this be fixed by replacing the 2 bushes inside the sheave if so is it a hard job?
Normally this would be a simple fix I would have though except that the bushes are not shown in the parts manual but I think these are the right ones.
Any help from the experts would be greatly appreciated

I apologize in advance for the poor quality pic I can't drive a golf buggy let alone a computer lol

sho305 · 07-29-2010, 07:17 PM

They often have a little play, but not much really should have hardly any when greased. When they get enough play they start to knock and make other noises can get out of balance too. They look like right ones.

Naragah · 07-30-2010, 02:02 AM

Thanks for that it only has a little movement so I don't think that I will replace the bushes

sho305 · 07-30-2010, 11:00 AM

I don't know how to describe it, if you can feel it move when you grab it and pull it up down but not see it...that is normal. If you see it move a hair looking closely that is normal. If you casually/obviously/easily see it move and it clunks, time to fix it.

Most of those bushings are not that hard to replace. Is best to press them but you can use a punch with a small flat end and sharpen it on a slight angle. Use the slightly pointed side to cut into the edge of the bushing. If lucky it will slide out otherwise you cut a notch down it enough to break/cut it and take the pressure off it. If you put too much angle on it the punch can dig into the housing and especially with aluminum you don't want that with steel its not much of a problem. Unless you can find say a socket that fits the bushing to drive it out that can work too but they are so thin/tight it often does not work. I've replaced many of them in commercial lawn equipment/etc. in steering and other arms.

jmz · 08-02-2010, 03:37 PM

Hi all from Aus

Austin ?????????

Naragah · 08-03-2010, 02:24 AM

Australia

jmz · 08-03-2010, 07:35 AM

I was just being silly.

07-29-2010, 07:17 PM	#2
sho305 Vegas modded 420 Join Date: Jun 2009 Location: West MI Posts: 15,445	Re: Yamaha G9 primary clutch bushing They often have a little play, but not much really should have hardly any when greased. When they get enough play they start to knock and make other noises can get out of balance too. They look like right ones.

07-30-2010, 02:02 AM	#3
Naragah Not Yet Wild Join Date: May 2010 Posts: 8	Re: Yamaha G9 primary clutch bushing Thanks for that it only has a little movement so I don't think that I will replace the bushes
Naragah Not Yet Wild Join Date: May 2010 Posts: 8

07-30-2010, 11:00 AM	#4
sho305 Vegas modded 420 Join Date: Jun 2009 Location: West MI Posts: 15,445	Re: Yamaha G9 primary clutch bushing I don't know how to describe it, if you can feel it move when you grab it and pull it up down but not see it...that is normal. If you see it move a hair looking closely that is normal. If you casually/obviously/easily see it move and it clunks, time to fix it. Most of those bushings are not that hard to replace. Is best to press them but you can use a punch with a small flat end and sharpen it on a slight angle. Use the slightly pointed side to cut into the edge of the bushing. If lucky it will slide out otherwise you cut a notch down it enough to break/cut it and take the pressure off it. If you put too much angle on it the punch can dig into the housing and especially with aluminum you don't want that with steel its not much of a problem. Unless you can find say a socket that fits the bushing to drive it out that can work too but they are so thin/tight it often does not work. I've replaced many of them in commercial lawn equipment/etc. in steering and other arms.

08-02-2010, 03:37 PM	#5
jmz Gone Wild Join Date: Jul 2009 Location: Gonzales, Texas Posts: 585	Re: Yamaha G9 primary clutch bushing Hi all from Aus Austin ?????????

08-03-2010, 02:24 AM	#6
Naragah Not Yet Wild Join Date: May 2010 Posts: 8	Re: Yamaha G9 primary clutch bushing Australia
Naragah Not Yet Wild Join Date: May 2010 Posts: 8

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08-03-2010, 07:35 AM	#7
jmz Gone Wild Join Date: Jul 2009 Location: Gonzales, Texas Posts: 585	Re: Yamaha G9 primary clutch bushing I was just being silly.

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