2003 Polaris MSX 140 Personal Watercraft Service Manual, Page 157Get this manual
HullControl Systems Steering Cable Adjustment
1Open front compartment doorLoosen and remove adjuster blockAlign handlebars with centerline of watercraft(Straight) 2Place straight edge across horizontal center line of steering nozzle or trim nozzle3Measure distance from straight edge to hull on left and right sideBe sure to measure at right angles to the straight edge and at equal distances from the nozzleThe distance at (X) should be equal when handlebars are straight4Adjustments can be made at the adjuster blockTurn block clockwise or counterclockwise until (X) measurements equal5Tighten adjuster block screws to specification
Straight Edge Nozzle Hull Hull x
Distance should be equal at (X)