Originally Posted by hrc85250r
You know I know where to get them. With a slight hone you can use the new style forged piston.
As far as getting it to fit in a 81 82 I dont know, but a need to . I have a couple 81 82 I can get cheep. I have a line on a couple more Honda Line jugs.
Its tight in a 84 .
The key in the description of a 300r kit is ,It's stock bore. Not punched out that far.


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86-87 Tecate ROCK!
LOL.