Honda HHT25S User Manual Page 1

1INTRODUCTIONCongratulations on your selection of a Honda trimmer/brush cutter! We are certain you will be pleased with your purchase of one of the fi

10ARE YOUR SHOULDER HARNESS AND TRIMMER CORRECTLY ADJUSTED?Adjusting the HarnessAdjust the harness so the quick-release latch is at your right hip, as

11To set the throttle trigger for starting, press the operator presence lever by gripping the control handle, pull the throttle trigger, then press an

12Throttle OperationPull the throttle trigger toward the grip to increase engine speed and start the cutting attachment rotation.The trimmer has the g

13Blade Thrust (Kickback)Blade thrust (kickback) is the sudden, forceful, and uncontrolled movement of a blade-equipped trimmer that may occur if the

14SERVICING YOUR TRIMMERGood maintenance is essential for safe, economical, and trouble-free operation. It will also help reduce air pollution.To help

15ENGINEEngine Oil Level CheckCheck the engine oil level before each use, or every 10 hours if operated continuously. Rest the trimmer on a level surf

16Throttle Cable InspectionVerify the throttle trigger operates smoothly and the throttle cable is undamaged. If there is visible damage, or if the th

17Spark Arrester ServiceThe spark arrester must be serviced every 100 hours to keep it functioning as designed.If the engine has been running, the muf

18Fuel Filter and Fuel Tank Cleaning1. Remove the fuel tank cap and empty the fuel tank into an approved gasoline container. Use a funnel to avoid spi

19BLADESIf installing a metal blade on a Honda trimmer equipped with a loop handle, also install the optional barrier kit that includes a full shoulde

2TRIMMER SAFETYIMPORTANT SAFETY INFORMATION The Honda HHT25S and HHT35S trimmer/brush cutters are designed to cut grass, weeds, brush, and/or wood if

201. Install the protective plastic cover that came with the blade.2. Insert a commercially available 4 mm hex tool or equivalent fully into the gear

21Changing the Debris Shield Refer to the applicable illustration for removing and installing the debris shields. Tighten the spacer bolts/washers

22Manual-Feed Cutting-Line HeadLine is released from the cutting head by manually pulling and turning the spool with the trimmer engine stopped.1. Cle

232. Locate the half-round locking hole on the spool.3. It may be necessary to lightly rotate the spool in the direction of the arrow about an 1/8 tur

24Removal and InstallationThis section shows you how to remove and install either style trimmer head from your trimmer.1. Insert the tip of a 4 mm hex

25Adding Fuel Stabilizer to Extend Fuel Storage LifeWhen adding a fuel stabilizer, fill the fuel tank with fresh gasoline. If only partially filled, a

26Low Power or Engine Speed Won’t IncreaseBlade or Cutting Line Head Won’t Stop Turning When the Throttle is at the Slow PositionBlade or Cutting Line

27EMISSION CONTROL SYSTEMSource of EmissionsThe combustion process produces carbon monoxide, oxides of nitrogen, and hydrocarbons. Control of hydrocar

28DIMENSIONSTUNEUP ENGINEFRAME CONSUMER INFORMATIONDealer Locator InformationTo find an Authorized Honda Servicing Dealer anywhere in the United Stat

29Shop ManualThis manual covers complete maintenance and overhaul procedures. It is intended to be used by a skilled technician. Available through you

3SAFETY LABEL LOCATIONSThe labels shown here contain important safety information. Please read them carefully. These labels are considered permanent p

30DISTRIBUTOR'S LIMITED WARRANTY This warranty is limited to the following Honda Power Equipment products when distributed by American Honda Moto

31EMISSION CONTROL SYSTEM WARRANTYYour new Honda Power Equipment engine complies with the U.S. EPA, Environment Canada, and State of California emissi

Printed onRecycled Paper

4LOOSE PARTS Check all loose parts against the following list. Contact your authorized Honda servicing dealer if any of the loose parts shown are not

5Cutting-line Head and Shield InstallationPrior to installation, move the ignition switch to the STOP (O) position and disconnect the spark plug cap f

6Blade Cover Removal1. Turn the blade cover slowly until the cover latch is clear of the debris shield.Unfasten the latch by lifting the tab off the p

7CONTROLS AND EQUIPMENTCOMPONENT CONTROLS AND LOCATIONSLoop Type HandleU-Type HandlebarThis type is supplied with a cutting-line head, a saw blade, an

8Throttle TriggerThe throttle trigger controls engine speed.Pulling the throttle trigger toward the control handle grip increases engine speed. The tr

9BEFORE OPERATIONARE YOU READY TO OPERATE THE TRIMMER?Your safety is your responsibility. A little time spent in preparation will significantly reduce