I might put this in the front, maybe use an fg in the back. Don't quite know how my rings came stock.. Think this is original 2 hp old style, open port cylinder, 30 mph stock. Already bought the 1.5mm fg ones, oops.
Wish me luck.
Next step, treat kit, party for the ppl. With 19mm phb carb, 70 cc cylinder, head etc etc :D. Then afterwords, maybe some brake cables..
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HUH?
September 13, 2015
taco eater :
ryan lewis from Long Beach, CA United States
What stock Puch piston runs 2 dykes rings. What piston in general runs 2 dykes rings. lol
edit treats : i totally do not understand this review. changing from 2 stars to 5 stars. this listing is for 1 puch dykes ring. if you need two buy two, if you need one you buy one. intriguing.
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BETTER BIGGER THAN SHORTER
June 26, 2013
taco eater :
BURSUCIANU MODEST from MOUNT ROYAL, QC Canada
It is not a big problem. If you have it oversize ring, you can adjust it to the right size by griding with careful the surplus of material, The invers it is a real problem when you have a smaler sizde and it will not make the right compression in your cylinder. Thanks and good project!
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sssucks!
May 14, 2013
taco eater :
Alex Oliva from san jose, CA United States
yup, they're still too big 
I don't know 
HUH? 
sssucks!