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Xr250r 1993 piston ring locations

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Hi

just carring out a full engine rebuild on my bike , purchased a piston kit buy mitaka but has no information on order the rings go in the piston.

in the haynes and honda manual shows a T on the rings to identify.

 i cant see this i have a silver in colour ring marked with a R and a black ring mark RN and the lower oil rings and centre coil these don't seem to be marked,

i have been reading and people say silver to the top but this ring has a slight cerve to the edge face and the manual shows this to be the second ring . I just dont fancy getting them installed the wrong way  
 

2 x top rings will fit in the grooves of each other also so cant identify that way 

 

any help would be great 

cheers steve 

 

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