2000-2003 Honda TRX350 Rancher factory service manual, Page 53Get this manual
MAINTENANCE
FUEL HOSE
Remove the seat (page 2-4)Check the fuel hose for deterioration, damage or leakageReplace the fuel hose if necessary
FUEL HOSE
THROTTLE OPERATION
Check for any deterioration or damage to the throttle cableCheck the throttle lever for smooth operationCheck that the throttle opens and automatically closes in all steering positionsIf the throttle lever does not return properly, lubricate the throttle cable and overhaul and lubricate the throttle housingFor cable lubrication: Disconnect the throttle cable at its upper endThoroughly lubricate the cable and its pivot point with commercially available cable lubricant or light weight oilReusing damaged or abnormally bent or kinked throttle cable can prevent proper throttle slide operation and may lead to loss of throttle control while riding
If the throttle lever still does not return properly, replace the throttle cableWith the engine idling, turn the handlebar all the way to the right and left to ensure that the idle speed does not changeIf idle speed increases, check the throttle lever free play and the throttle cable connectionMeasure the throttle lever free play at the tip of the throttle leverTHROTTLE LEVER FREE PLAY: mm (18 516 in) Throttle lever free play can be adjusted at either end of the throttle cableMinor adjustments are made with the upper adjuster