OHV GAS ENGINE - HORIZONTAL Model 99856 - 13 HP Model 96154 - 11 HP Assembly And Operation Instructions IMPORTANT! Your Warranty is voided if: You do not put Engine oil in the Engine’s crankcase prior to its first use. Never run the Engine with low or no oil. Running the Engine with low or no oil will permanently damage the Engine. Due to continuing improvements, actual product may differ slightly from the product described herein. Distributed exclusively by Harbor Freight Tools. 3491 Mission Oaks Blvd.
SPEcIfIcATIONS Model 99856 Model 96154 Engine Type 13 HP, 4-Stroke Gasoline Engine Air Cooled, Horizontal Shaft Electric Start w/Recoil Back-Up Powered w/mid-to-high octane unleaded gasoline Model: 188FD, Family: 6CLGS.38988F Battery Type: 12 VDC (not included) 11 HP, 4-Stroke Gasoline Engine Air Cooled, Horizontal Shaft Electric Start w/Recoil Back-Up Powered w/mid-to-high octane unleaded gasoline Model: 182FD, Family: 6CLGS.
GENERAL SAFETY RULES WARNING! READ AND UNDERSTAND ALL INSTRUCTIONS Failure to follow all instructions listed below may result in electric shock, fire, and/or serious injury. SAVE THESE INSTRUCTIONS Work Area 1. Keep your work area clean and well lit. Cluttered and dark areas invite accidents. 2. Do not operate the Engine in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust. Gasoline engines create sparks which may ignite the dust or fumes. 3.
2. Do not use the Engine if the Engine’s Ignition Switch does not turn it on or off. Any tool that cannot be controlled with the Ignition Switch is dangerous and must be replaced. 3. Disconnect the Spark Plug Wire from the Engine before making any adjustments, changing accessories, or storing the tool. Such preventive safety measures reduce the risk of starting the tool accidentally. Always disconnect the Spark Plug Wire before performing any inspection, maintenance, or cleaning procedures.
. People with pacemakers should consult their physician(s) before use. Electromagnetic fields in close proximity to a heart pacemaker could cause pacemaker interference or pacemaker failure. Caution is necessary when near the Engine’s magneto or recoil starter. 6. Never leave the Engine unattended when it is running. Turn off the Engine before leaving the work area. 7. Always use the Engine on a flat, level, dry ground surface. 8.
MECHANICAL PRECAUTIONS 1. Prior to performing service, maintenance, or cleaning procedures, always make sure the Engine’s Ignition Switch is in its “OFF” position. Allow the Engine to completely cool. Then, remove the Spark Plug Wire from the Spark Plug. 2. Do not alter or adjust any part of the Engine that is assembled and supplied by the manufacturer or distributor. 3. Always follow and complete scheduled Engine maintenance. CHEMICAL PRECAUTIONS 1.
ASSEMBLY INSTRUCTIONS TO MOUNT THE ENGINE 1. IMPORTANT: If you have any doubts about your ability to perform the following assembly procedures, you should have a qualified service technician perform the assembly for you. Mounting Holes Mounting Holes Figure A 2. Located near the Crankshaft (16 - page 16) are different-sized mounting holes with which to mount the Engine to your power equipment unit. (See Figure A.) 3.
TO PROVIDE BATTERY POWER TO THE STARTER MOTOR 1. The Engine’s Starter Motor (4 - page 26) unit can be powered by a typical 12 VDC battery (not included). FIGURE B STARTER MOTOR (4 - PAGE 26) Black wire from this Bolt to Negative (-) Battery Post 2. RED STARTER WIRE TO POSITIVE (+) BATTERY POST To provide battery power to the Starter Motor (4 - page 26), connect the BLACK (negative -) wire from the negative (-) post on the battery to the Bolt designated on the base of the engine.
FUEL FILLER CAP (11 - PAGE 19) FUEL TANK (8 - PAGE 19) FIGURE C DIPSTICK (15 - PAGE 14) DRAIN PLUG (2 - PAGE 13) OPERATING INSTRUCTIONS 1. Make sure the power equipment unit’s transmission (if applicable) is in its “NEUTRAL” or “PARK” position before attempting to start the Engine. THROTTLE (7 - PAGE 23) CHOKE FIGURE D FUEL LEVER 2. To start the Engine, turn the Fuel Lever to its “OPEN” position. Turn the Choke to its “START” position. Then turn the Throttle to the RIGHT to its “SLOW” position.
FIGURE E IGNITION SWITCH (8 - PAGE 27) 3. To start the Engine, using the battery for cranking power, insert the Ignition Key (19 - page 27) and turn the Engine Ignition (8 - page 27) to its “START” position. If necessary, repeat this procedure until the Engine starts. NOTE: To prolong Starter Motor (4 - page 26) life, use short starting cycles (5 seconds maximum, then wait one minute before attempting restart. (See Figure E.) 4.
INSPECTION, MAINTENANCE, AND CLEANING 1. WARNING! Never perform any services or maintenance on the Engine while it is running. Before performing any inspection, maintenance, and cleaning, turn off the Engine and disconnect the Spark Plug Wire from the Spark Plug to prevent accidental starting. Then, allow the Engine to completely cool. 2. Before each use, inspect the general condition of the Engine.
TROUBLESHOOTING Problem Engine will not start. Possible Cause 1. Low on fuel or oil. 2. Ignition switch is in “OFF” position. 3. Faulty spark plug. 4. Choke in wrong position. 5. Fuel lever in “CLOSED” position. 6. Engine under load during startup. 7. Spark plug wire loose. 8. Fuel line clogged. 9. Air filter clogged. 10. Fuel contaminated. 11. Faulty ignition system. 12. Battery low or defective. SKU 99856-96154 Possible Solution 1. Add fuel or oil. 2. Turn ignition switch to “ON” position. 3.
PARTS LIST/DIAGRAM - CRANKCASE Part Q’ty Part 1 Washer Description 2 8 Washer Description Q’ty 2 2 Drain Plug 2 9 Split Pin 1 3 Oil Seal, Crankshaft 1 10 Regulating Sway Bar 1 4 Seal 1 11 Nut (M10) 1 5 Diode 1 12 O-Ring 1 6 Crankcase 1 13 Bolt (M6x14) 2 7 Oil Seal, Regulating Sway Bar 1 14 Oil Sensor 1 IMPORTANT When ordering parts from the above Parts List, make sure to specify the following: a.
PARTS LIST/DIAGRAM - CRANKCASE COVER Part Q’ty Part 1 Oil Plug with Seal Description 1 11 Washer Description Q’ty 2 2 Oil Plug 1 12 Sliding Sleeve 1 3 Seal 1 13 Gasket, Crankcase 1 4 Crankcase Cover 1 14 Set Pin (8x12) 2 5 Washer, Drive Gear 1 15 Dipstick 1 6 Drive Gear, Regulator 1 16 Dipstick with Seal 1 7 Pin 2 17 Bearing (6206) 1 8 Regulating Shaft 1 18 Oil Seal, Crankshaft 1 9 Flying Block 2 19 Bolt (M8x40) 7 10 Snap Ring 1 20 Drive Gear, R
PARTS LIST/DIAGRAM - CYLINDER HEAD/CYLINDER HEAD COVER Part Description Q’ty Part Description Q’ty 1 Bolt 1 11 Lead Wind Cover 1 2 Washer 1 12 Stud (M6x8x134.5) 2 3 Rubber Seal 1 13 Gasket, Cylinder Head 1 4 Bolt 1 14 Set Pin 2 5 Cylinder Head Cover Assy. 1 15 Cylinder Head Assy. 1 6 Gasket, Cylinder Head Cover 1 16 Spark Plug (F7RTCU) 1 7 Bolt 4 17 Stud (M8x48.
PARTS LIST/DIAGRAM - CRANKSHAFT, PISTON, CONNECTING ROD Part Q’ty Part 1 Piston Ring (I) Description 1 12 Bearing (6202) Description Q’ty 2 2 Piston Ring (II) 1 13 Balancing Shaft 1 3 Side Rail 2 14 Bearing (6207) 1 4 Expander 1 15 Woodruff Key 1 5 Scraper Ring Set 1 16 Crankshaft 1 6 Piston Pin Circlip 2 17 Drive Gear 1 7 Piston 1 18 Timing Gear 1 8 Piston Pin 1 19 Piston Ring Set Kit 1 9 Shank 1 20 Connecting Rod Assy.
PARTS LIST/DIAGRAM - CAMSHAFT, VALVE ROCKER Part Description Q’ty Part Description Q’ty 1 Lock Nut 2 10 Exhaust Valve 1 2 Sleeve 2 11 Intake Valve 1 3 Valve Rocker 2 12 Spring Retainer, Exhaust Valve 1 4 Adjusting Bolt for Valve Gap 2 13 Valve Spring 2 5 Pusher Guide 1 14 Spring Keeper 1 6 Push Rods 2 15 Spring Keeper 1 7 Valve Tappets 2 16 Seal 1 8 Extension Spring 1 17 Valve Rocker Assy. 2 9 Camshaft Assy.
PARTS LIST/DIAGRAM - CARBURETOR Part Description Q’ty Part Description Q’ty 1 Inlet Gasket 1 16 Choke Stem 1 2 Connecting Block 1 17 Airproof Washer 1 3 Carburetor Gasket 1 18 Throttle Lever 1 4 Idle Adjustment Screw 1 19 Washer 1 5 Mixture Chamber Body 1 20 Screw (M4) 2 6 Main Nozzle 1 21 Cover 1 7 Main Jet 1 22 Choke Switch 1 8 Float 1 23 Throttle Unit 1 9 Float Chamber Gasket 1 24 Spring, Mixture Adjustment Screw 1 10 Float Chamber 1 25 Mixt
PARTS LIST/DIAGRAM - FUEL TANK Part Q’ty Part 1 Pipe Description 1 7 Nut (M8) Description Q’ty 2 2 Outlet Pipe 1 8 Fuel Tank 1 3 Pipe Clamp 2 9 Filter Cup 1 4 Connector 1 10 Packing Ring 1 5 Bolt (M8x25) 2 11 Fuel Filler Cap 1 6 Packing Ring 1 12 Fuel Filler Cap w/Packing Ring 1 IMPORTANT When ordering parts from the above Parts List, make sure to specify the following: a. The MODEL NUMBER (either 99856 or 96154) of the Engine for which you are ordering. b.
PARTS LIST/DIAGRAM - AIR CLEANER Part Description Q’ty Part Description Q’ty 1 Wing Nut 2 7 Sleeve B 1 2 Air Cleaner Cover 1 8 Bolt (M6x22) 1 3 Filter Element 1 9 Washer 1 4 Air Cleaner Base 1 10 Nut (M6) 2 5 Sleeve A 1 11 Air Cleaner Assy. 1 6 Air Cleaner Housing 1 IMPORTANT When ordering parts from the above Parts List, make sure to specify the following: a. The MODEL NUMBER (either 99856 or 96154) of the Engine for which you are ordering. b.
PARTS LIST/DIAGRAM - MUFFLER Part Description Q’ty Part Description Q’ty 1 Nut (M8) 5 5 Muffler 1 2 Exhaust Pipe Gasket 1 6 Screw (M5x8) 4 3 Exhaust Pipe 1 7 Muffler Hood Assy. 1 4 Muffler Gasket 1 8 Muffler Assy. 1 IMPORTANT When ordering parts from the above Parts List, make sure to specify the following: a. The MODEL NUMBER (either 99856 or 96154) of the Engine for which you are ordering. b. The PART NUMBER listed to the left of the part description. c.
PARTS LIST/DIAGRAM - RECOIL STARTER Part Description Q’ty Part Description Q’ty 1 Engine Switch 1 11 Ratchet Spring 2 2 Wire Grommet 1 12 Ratchet 2 3 Clip 1 13 Friction Spring 1 4 Plastic Clip 1 14 Set Screw 1 5 Bolt (M6x12) 5 15 Spring Lid 1 6 Fan Hood Assy. 1 16 Rope 1 7 Bolt (M6x8) 3 17 Handle 1 8 Casing 1 18 Recoil Starter 1 9 Coil Leaf Spring 1 19 Recoil Starter Assy.
PARTS LIST/DIAGRAM - REGULATING CONTROL SYSTEM Part Description Q’ty Part Description Q’ty 1 Bolt (M5x35) 1 10 Nut (M6) 2 2 Regulating Spring 1 11 Spring 1 3 Clamp 1 12 Back Spring 1 4 Bolt (M6x12) 1 13 Lock Bolt 1 5 Support Panel 1 14 Regulating Arm 1 6 Washer 2 15 Regulating Arm Spring 1 7 Throttle 1 16 Pulling Rod 1 8 Spring Patch 1 17 Regulating Frame Assy.
PARTS LIST/DIAGRAM - FLYWHEEL Part Description Q’ty Part Description Q’ty 1 Nut (M16x1.5) 1 3 Flywheel Fan 1 2 Starting Flange 1 4 Flywheel 1 IMPORTANT When ordering parts from the above Parts List, make sure to specify the following: a. The MODEL NUMBER (either 99856 or 96154) of the Engine for which you are ordering. b. The PART NUMBER listed to the left of the part description. c. The NAME OF THE PARTS LIST from which you are ordering (located at the top of this page).
PARTS LIST/DIAGRAM - IGNITION COIL Part Q’ty Part 1 Screw (M6x30) Description 2 6 Charge Coil Description Q’ty 1 2 Engine Stop Cable 1 7 Clamp, Cord 1 3 Ignition Coil 1 8 Bolt (M6x35) 2 4 Spark Plug Cap 1 9 Bolt (M6x12) 1 5 Ignition Coil Assy. 1 IMPORTANT When ordering parts from the above Parts List, make sure to specify the following: a. The MODEL NUMBER (either 99856 or 96154) of the Engine for which you are ordering. b.
PARTS LIST/DIAGRAM - STARTER MOTOR Part Q’ty Part 1 Relay, Start-Up Description 1 13 Cable, Starter Motor Description Q’ty 1 2 Rotor Comp. 1 14 Insulator 1 3 Starting Clutch 1 15 Bolt (M5x14) 2 4 Starter Motor Assy. 1 16 Screw (M4x6) 1 5 Base, Starter 1 17 Packing Ring 1 6 Housing, Starter Clutch 1 18 Screw (M5x32) 4 7 Drive Gear 1 19 Nut (M6) 2 8 Brush, Comp. 4 20 Bolt (M6x35) 2 9 Stator Assy.
PARTS LIST/DIAGRAM - STARTER & CONTROL BOX Part Q’ty Part 1 Clamp Ring Description 1 11 Control Rear Cover Description Q’ty 1 2 Gasket 1 12 Attachment Bolt 1 3 Bolt (M4x10) 1 13 Protector 1 4 Control Front Cover 1 14 Fixed Mount 1 5 Diode 1 15 Spring 1 6 Nut (M4) 1 16 Cover 1 7 Fixed Mount 1 17 Protector Assy. 1 8 Ignition Switch 1 18 Bolt (M3x12) 2 9 Safety 1 19 Ignition Key 1 10 Diode Assy.
EMISSION CONTROL SYSTEM WARRANTY California and United States Emission Control Defects Warranty Statement The California Air Resources Board (herein CARB), the United States Environmental Protection Agency (herein EPA), and Harbor Freight Tools® (herein HFT) are pleased to explain the emission control system warranty on your 1995 and later Small Off-Road Engine (herein engine). In California, the engine must be designed, built and equipped to meet the State’s stringent anti-smog standards.
EMISSION CONTROL SYSTEM WARRANTY – (CONT.) Harbor Freight Tools Emission Control Defects Warranty Provisions 5. Service and Maintenance Component parts which are not scheduled for replacement as required maintenance or are scheduled only for regular inspection to the effect of “repair or replace as necessary” are warranted for the warranty period.
LIMITED 90 DAY WARRANTY Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards, and warrants to the original purchaser that this product is free from defects in materials and workmanship for the period of 90 days from the date of purchase.