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by Mistamoped69
Thu Aug 20, 2020 7:22 pm
Forum: Builder's workshop
Topic: 86 Aero 50 big bore kit piston clearance
Replies: 1
Views: 3514

86 Aero 50 big bore kit piston clearance

I’ve got a 1986 Honda aero 50 malossi 72cc big bore kit and I am replacing the stock 47mm piston with and oversized 47.4mm piston and need to bore and hone the cylinder but I need the clearance spec between the piston and cylinder wall or the proper inside diameter of a cylinder for a 47.4mm over si...