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Sportster Motorcycle Tires, Wheels, and Brakes Discuss issues with Sportster motorcycle tires, wheels and brakes.

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  #1  
Old 19th March 2010
jodude1 jodude1 is offline
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Default Rear Master Cylinder blownup Diagram 1989 Sporty

Does anyone have a blown up diagram of a rear master cylinder for a 1989 883 Sportster . Need to know on a rebuild ,when I put the piston back in the cylinder I will assume the hole in the piston goes "UP" . Any help would be appreciated .
Thanks
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  #2  
Old 19th March 2010
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williamv1203 williamv1203 is offline
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Originally Posted by jodude1 View Post
Need to know on a rebuild ,when I put the piston back in the cylinder I will assume the hole in the piston goes "UP" .


Yes it does.


Last edited by williamv1203; 19th March 2010 at 17:07..
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  #3  
Old 19th March 2010
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billy bob billy bob is offline
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Quote:
Originally Posted by jodude1 View Post
Does anyone have a blown up diagram of a rear master cylinder for a 1989 883 Sportster . Need to know on a rebuild ,when I put the piston back in the cylinder I will assume the hole in the piston goes "UP" . Any help would be appreciated .
Thanks

By "up" I assume that you have the master cyl. standing on end ? Then yes you are correct.

It should be facing out towards the boot.

The plunger sits inside and pushes against the "hole" or "cupped" end of the piston.
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  #4  
Old 19th March 2010
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williamv1203 williamv1203 is offline
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Originally Posted by billy bob View Post
By "up" I assume that you have the master cyl. standing on end ? Then yes you are correct.

It should be facing out towards the boot.

The plunger sits inside and pushes against the "hole" or "cupped" end of the piston.
I think he means the tiny hole on the piston that the fluid moves through that is visible inside the mc.
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  #5  
Old 19th March 2010
jodude1 jodude1 is offline
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Default Master Cylinder Rebuild 1989 sporty

Sorry I might have described it wrong. I mean the tiny hole in the plunger . When the plunger is in the cylinder, does the tiny hole in the plunger face "UP" towards the main hole that is in the resevoir body.I would assume it does just want to make sure before I reassemble.
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  #6  
Old 19th March 2010
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a45junkie a45junkie is offline
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yes it does
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