Good day, newly tuned-up owner typed jeep with 4k engine, replaced contact point, overhauled carb, new batt and alternator.

Problem: After a smooth drive, engine jerks while shifting from 3rd gear to 2nd gear. Then from neutral to 1st jerks also. Pag nasa rekta na parang kinapos.

Kulang ba sa kuryente or clutch or transmission problem?