PERIODIC MAINTENANCE 2-17 Periodic Maintenance Procedures Idle Speed Inspection
the engine and warm it up thoroughly. • Start the idle speed with a suitable tachometer. • Check If the idle speed is out of the specified range, check the ISC valve (see ISC Valve Inspection) and vacuum hoses. Idle Speed Standard:
1 100 ±50 r/min (rpm)
Idle Speed Adjustment NOTE
○Idle speed adjustment is best performed by ECU, so idle speed cannot be adjusted. Air Cleaner Element Cleaning and Inspection NOTE
○In dusty areas, the element should be cleaned more frequently than the recommended interval. ○After riding through rain or muddy terrains, the element should be cleaned immediately. ○Also, if there is a break in the element material or any other damage to the element, replace the element with a new one. (KRF750NA/PA/RA/SA/TA ∼ NC/PC/RC/SC/VC)
WARNING Gasoline and low-flash point solvents can be flammable and/or explosive and cause severe burns. Clean the element in a well-ventilated area, and take care that there is no spark or flame anywhere near the working areas. Do not use gasoline or low-flash point solvents to clean the element. the air cleaner element (see Air Cleaner Element • Remove Removal in the Fuel System chapter).
• Clean the element [A] in a bath of high-flash point solvent.