Mazda Trucks 1972-1986 Repair Guide

IDLE SPEED AND MIXTURE ADJUSTMENTS

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See Figures 1, 2 and 3

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Fig. Fig. 1: View of the idle speed adjustment screw location for the 1,796cc and 1,970cc engines. Some carburetors have a cap covering the idle mixture adjusting screw, which must be removed with a hacksaw to adjust idle mixture



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Fig. Fig. 2: View of the idle speed adjustment screw location for the 1986 model. Idle mixture should not have to be adjusted, therefore, no provisions are given for such adjustment



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Fig. Fig. 3: Idle speed adjuster screw (arrow) on 1986 B2000 models

 
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