Gt 550 Pistons

General discussion about Street two-stroke Suzuki motorcycles.

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pfg49
On the street
Posts: 30
Joined: Sun Nov 01, 2015 8:20 am
Country: UK
Suzuki 2-Strokes: GT 550
Location: Southampton Hampshire

Gt 550 Pistons

Post by pfg49 »

Is it is still possible to buy pistons for a 1976 European spec GT550 with the Nikosil bores from Suzuki?
GTandcbr
Yeah Man, the Interstate
Posts: 590
Joined: Tue Mar 10, 2015 12:35 pm
Country: WALES
Suzuki 2-Strokes: suzuki gt 550j
Location: Wales

Re: Gt 550 Pistons

Post by GTandcbr »

I think you will struggle to get Suzuki standard bore genuine pistons. Oversize are available from various sources but thats for the iron liners. You can buy cruising image replacements
https://www.ebay.co.uk/itm/72-77-SUZUKI ... 3d3e1c474e" onclick="window.open(this.href);return false;
There are good reports on the quality.
Then there are Wiseco pistons a bit more expensive!
https://www.ebay.ie/itm/Suzuki-GT550-no ... Sw44BYM52t" onclick="window.open(this.href);return false;
98 carb Blackbird and GT550j
pfg49
On the street
Posts: 30
Joined: Sun Nov 01, 2015 8:20 am
Country: UK
Suzuki 2-Strokes: GT 550
Location: Southampton Hampshire

Re: Gt 550 Pistons

Post by pfg49 »

I suppose that I would be too optimistic to think that just a barrel and piston change with a iron liner one might get me going again?
GTandcbr
Yeah Man, the Interstate
Posts: 590
Joined: Tue Mar 10, 2015 12:35 pm
Country: WALES
Suzuki 2-Strokes: suzuki gt 550j
Location: Wales

Re: Gt 550 Pistons

Post by GTandcbr »

I wouldn't run an engine with one different barrel. It's all three the same IMHO. The SCEM or Nikasil have additional ports too.
The idea of the SCEM is to make the piston rings only as the wear item whereas the iron bores and rings can wear out.
98 carb Blackbird and GT550j
pfg49
On the street
Posts: 30
Joined: Sun Nov 01, 2015 8:20 am
Country: UK
Suzuki 2-Strokes: GT 550
Location: Southampton Hampshire

Re: Gt 550 Pistons

Post by pfg49 »

GTandcbr,

I wasn't thinking of just one barrel, you'd have to do all three!
GTandcbr
Yeah Man, the Interstate
Posts: 590
Joined: Tue Mar 10, 2015 12:35 pm
Country: WALES
Suzuki 2-Strokes: suzuki gt 550j
Location: Wales

Re: Gt 550 Pistons

Post by GTandcbr »

Yes agreed. Then no problem personally i prefer iron bore as the SCEM is expensive to repair. But thats just my opinion :)
98 carb Blackbird and GT550j
old racer
To the on ramp
Posts: 240
Joined: Mon Mar 05, 2012 1:22 pm
Country: Wales
Suzuki 2-Strokes: RG250 GT750L GT750 DRAG seelyt500 tr500MK3
Location: Wales UK

Re: Gt 550 Pistons

Post by old racer »

The iron barrels will fit but are not a perfect match for the transfer in the case.
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