just wanted help from all of you. I have 2004 P150 going great guns without any problems at all. (Touchwood) As of now i am getting an average of 50 KMPL. I wanting to check that if i do porting & polishing to make it faster, How much will the average be affected. If it is about 5kmpl i would have no problem. but it should no go to 10kmpl becoz that is too much of a difference. I was looking for a 2nd hand Karizma as my 2nd bike. if i get that i would not go for porting & polishing.
Just let me know how much will be the difference in average.
thanks in advance.


its only for 2 strokes.

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