The Yamaha old model and new model comparison so Yamaha old model is best because that’s it is your source in the sitting condition was very comfortable and the new models the sitting area was very tough because it’s more than the old model and uncomfortable Yamaha R 15 is good but the mileage average is very bad and speed is very good the looking looking of R 15 is very great and good looking sexy bike and impressive and attraction is very high many people attract by their headlights back lights and it’s looking and its 150 cc high performance engine and the sound is very good but not like a Duke sound