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Joined: Sep 2012
Posts: 65
Trainee
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Ive got the impossible ask here , Am looking for a set of rings 0.040" oversize , would anybody know where i could get a set or have a set , for a Victa Twin ,
Last edited by David_M; 25/10/20 08:31 PM.
The doctor tells me I'm crazy, but the voices tell me I'm not. and i just don't know which one to believe!"
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Joined: May 2020
Posts: 48
Novice
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When you know let me know I'm in the same vote
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Joined: Jul 2018
Posts: 2,101 Likes: 81
SENIOR TECHNICIAN
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You guys may have to resort to finding an engine with approximately 48mm bore (think the twin is 48.05), same ring ring thickness, then adjust the ring gap as required with a dremel.
Not ideal, but what can you do.
Quick search shows some yamaha and kwaka's have bores around it
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Joined: Sep 2012
Posts: 65
Trainee
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The doctor tells me I'm crazy, but the voices tell me I'm not. and i just don't know which one to believe!"
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Joined: Jan 2015
Posts: 988 Likes: 7
Qualified Senior
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Good Morning all, Rings are available from Nornda Automotive who were also known as JP Pistons, I have had STD rings made in the past and a friend very recently placed an order for more. They should do oversized as well, I have never seen a Twin with oversized rings yet. They never lasted that long in service. https://www.norndaautomotive.com.au/jp-pistons.htmlGive them a call
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Joined: Sep 2012
Posts: 65
Trainee
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Thanks for this great info Paul , will give them a call and see what they can do , i see they make pistons as well ,
The doctor tells me I'm crazy, but the voices tell me I'm not. and i just don't know which one to believe!"
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