GT550 master cylinder
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- Around the block
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GT550 master cylinder
My understanding is that there are 2 types of master cylinder on a GT550. Is there a way to discern which one I have without taking it apart? Mine seeps a little, but still works fine. I want to get a rebuild kit so I can still ride it while waiting for the time to rebuild it. Thanks.
- Coyote
- Moto GP
- Posts: 3404
- Joined: Tue Oct 21, 2008 2:41 pm
- Country: USA
- Suzuki 2-Strokes: GT550x2, GT750, GS1000
- Location: Tulsa, Oklahoma
Re: GT550 master cylinder
Year of your bike would help.
I was born with nothing and still have most of it left.
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1978 GS1000C
1976 GT550 ongoing money pit.
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1978 GS1000C
1976 GT550 ongoing money pit.
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- Around the block
- Posts: 57
- Joined: Sat Jan 22, 2011 2:26 pm
Re: GT550 master cylinder
sorry. It's a 1973.
- Alan H
- Moto GP
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- Country: England
- Suzuki 2-Strokes: 4 x GT550s - J, M, A, B.
- Location: The Republic of South Yorkshire
Re: GT550 master cylinder
Just make sure it's for a single disc. The twin disc master cylinder has a 'D' on the underneath.
Think of how stupid the average person is, then realise that half of them are more stupid than that.
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- Around the block
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Re: GT550 master cylinder
What I meant was, can you tell if is an Asco or Nissan master cylinder. Mine has no markings on the outside. Thanks again
- Coyote
- Moto GP
- Posts: 3404
- Joined: Tue Oct 21, 2008 2:41 pm
- Country: USA
- Suzuki 2-Strokes: GT550x2, GT750, GS1000
- Location: Tulsa, Oklahoma
Re: GT550 master cylinder
Asco were not used prior to 1976. Yours would be a Nissan. In rebuilding, you will develop a brand new hate for snap rings. 

I was born with nothing and still have most of it left.
.
1978 GS1000C
1976 GT550 ongoing money pit.
.
1978 GS1000C
1976 GT550 ongoing money pit.