Hello friends, I have Yamaha YBR 125G bike since 2019. Recently it has missing problem at above 5000 RPM. Bike jerk kerti hai RPM 5k se uper ni badta and mileage bi kam hogayi ha (pehle 43 km/ltr krti thi abi 33 km/ltr krti ha). Recently ma ne iske valve change kiye thy q ki aik valve tuut gayi thi and then tappet adjust kiya tha inlet: 0.1mm and outlet: 0.13mm... any help please, thank you in advance