Originally posted by Haji
...di ko alam kung may adjustment ng barbula yung makina ko.
Meron pong adjustment screw lahat ng makinang may barbula. Pag bukas mo ng engine valve cover, ito yung may mga gatla para ikutan ng screwdriver and may lock na 10mm nut. Pero kung wala kang kaalam-alam sa makina, mas makakabuti pang wag mong gagalawin. A small adjustment could make or break an engine.

Ofcourse, exception ang makinang rotary types. :D