Suzuki 90-200HP outboard motors Service Manual, Page 14Get this manual
SERVICE MANUAL be made with engine at normal operating temperature and running in forward gearOn mod els plior to 1986, rotate timing a(justment screw (B-FigSZI73) in small increments until engine idles at approximately 600-700 rpmOn models after 1985, adjust idle timing switch to obtain 600-700 rpm Note that idle timing is the only provision for adjusting idle speed on all modelsAdjust pilot air screw so ngine idles smoothly and will accelerate cleanly without hesitationIf necessary, idle liming to obtain 600-700 rpm in forwa rd gearMain fuel met ering is controlled by main jet (5) Standard main jet size for normal operation on models prior 1986 is #135 on DTIl models and 11 160 on DT140 mode lsOn 1986-1988 DT11 modelsstandard main jet size is 11132.5On 1986- 1988 DTI40 models standard main jet size is 11157.5 on top carburetor, 11 162.5 on third carburet or and 11 155 on second and fourth carburetorsStandard main jet size on 1989 mode ls is 11132.5 on DTIl mod ls and 11150 on DTl40 mode lsTo check float level, remove float bowl and invert carburetorDistance (D- Fig