Hi Guys can anyone tell me which oil should i use i am gonna travel approx 3600km in 15 days with a average run of 250km per day so can anyone tell me which oil should i go for Brand I have a 100cc BAJAJ engine..................and the bike is ct100

My bikes standard specification of oil is 20w40 so can i go ahead and put 20w50 oil in my bike so that it can keep my engone a little bit more cooler than the specified oil.................??

and my last question i have taken two spare tubes can anybody tell me where can i get a foot pump in Mumbai ??