Bike won't start on crank, but fires on push start
Hello everyone! I am new here, and I am from Serbia. My problem as follows. Done carb rebuild (with rebuild set) and cleaning by myself last autumn. At the same time, changed oil, filters, spark plugs... It was ok. Stayed through winter in garage with full gas tank with ocassional firing up. This spring I drove 200km when problems started. Fuel consumption was high and it started to fire up with difficulties, had sometimes backfire (burned a little bit air filter), no other problems. Then it won't start at all, but with a little push, engine starts. Took off carbs again, cleaned them again, when I mounted them it took 6-7 tries and it fired up, and worked like a charm. Throtlle was responsive, no smoke, no smell, music for my ears. Everything was ok, it was idle for about 20 min, I turned it off, and after 10 seconds it won't start again, no matter how I cranked it, only one backfire. Lefthand carb was kind of wet. So it won't start by cranking, but when I push it a
couple of meters it starts, and works fine. Please, help me solve a problem.