Yes i agree with Stephen ,the 0.08mm clearance is too much even for 2stroke bikes with iron cylinder sleeve.
The piston rings,piston skirt and cylinder's wall will suffer at this clearance.
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Owner of : Honda NSR250 MC28 95sp colours / Honda NSR250 MC18 R6K SP / Honda RS250 NF5 89 in boxes / Honda C50 12V cub / Honda C50 12V super cub Japanese version /Yamaha XT600 89 benetton