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Address V125 big bore set 192cc with...
USD 1,080
Set 300ccc for GY6 upgrade with special 157qmb cylinder block, Yamaha TTMRC four valves cylinder head, L/c ceramic big bore cylinder, long stroke crankshaft and rocker arms with high angle camshaft.
Valves size: Ex27/In30.
Piston: 75mm (wrist pin 15mm).
Crankshaft: +8.2 long stroke.