CARBURETOR ADJUSTMENT
ATTENTION! Independent change of the
main carburetor settings may negatively
affect the engine start and stable work. If
needed, regulations are better to perform in
a specialized workshop.
1. Fuel-mixture adjusting screw. This screw regulates a ratio of fuel and air
coming to a cylinder at idle of the engine.
2. Idle adjustment screw. Idle adjustment should be performed on a warmed up
engine. For this start it and let it work at idle for 5-7 minutes. On a started engine
rotate the Idle adjustment screw (2) (clockwise – increasing, counterclockwise –
decreasing rotations number of the shaft). Idle rpm should correspond to 1700 rpm
± 100rpm.
3. Lever free travel regulation. Lever free travel should be within limits of 2 - 6
mm. For adjustment take off a rubber dust containment of a throttle cable
adjusting mechanism and weaken a half nut. If the lever free travel is big, screw
out an adjust nut (counterclockwise), if it is small - screw it. After regulating
tighten the half nut and put on a rubber.
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