i have changed the cylinder of my bike. now gonna use .50 bored cylinder but sleeved.bikes stroke is at best....taken ride on it till 30km.....going fine.
i did intall the best available piston (top cat)made in japan,,,,it cost me 1250/rs....hope for the best.
the recent cylinder was original in.100 size which gave me arround 17000km on road at its best.....the top speed i achieved on it was 140/km........now it has been retired...i think its well served