i have 2 queries....
1.what grade and make of engine oil should i use??? i do a lot of touring on it....

2. i have done 8000km on my bike.....i want to install a K&N filter....but since for a proper output you need 2 install a carburetor as well,and my bike does not have any , then what should be my course of action?????
please help me.....


