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#109113 25/10/20 07:30 PM
Joined: Sep 2012
Posts: 65
David_M Offline OP
Trainee
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 07:31 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!"
Joined: May 2020
Posts: 48
Novice
When you know let me know I'm in the same vote

Joined: Jul 2018
Posts: 2,090
Likes: 81
SENIOR TECHNICIAN
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

Tyler #109119 25/10/20 09:50 PM
Joined: Sep 2012
Posts: 65
David_M Offline OP
Trainee
supper valuable info ,


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!"
Joined: Jan 2015
Posts: 988
Likes: 7
Qualified Senior
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.html

Give them a call

Joined: Sep 2012
Posts: 65
David_M Offline OP
Trainee
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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