Run only 1350km, SF 2018 BS4 carburetor model. Changed to new carburetor same problem .Every day morning need to KEEP WITH CHOKE ON FOR MIN 20 MINTS TO RUN , ELSE WHEN CHOCK OFF / THROTTLE UP THE ENGINE TURNS OFF.SAME CASE WITH KICKER/ SELF START. ALSO INSTALLED NEW BATTERY.LAST MONTH SUZUKI SERVICE REPLACED NEW CARBURATOR,BUT SAME CASE .THEY NOW CANT FIND THE ISSUE .AFTER 10 MINTS OE 20MINTS STARTING WITH CHOCK ON THE BIKE GOES SMOOTHLY ON THE SAME DAY AS NEW .BUT NEXT DAY SAME CASE HAPPENS.IS ISSUE RELATED TO CARB(INSTALLED NEW CARB BS4 ) OR TAPPET OR SAI.

ANY EXPERT TECHNICIAN PLEASE HELP.​