Predator 68124 User Manual

Predator 68124 User Manual

99cc horizontal engine

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99cc Horizontal Engine
Item 68124 99cc
Using an engine indoors CAN KILL YOU
IN MINUTES.
Engine exhaust contains carbon monoxide.
This is a poison you cannot see or smell.
NEVER use inside
a home or garage,
EVEN IF doors and
windows are open.
When unpacking, make sure that the product is intact and undamaged.
If any Engine parts are missing or broken, please call 1-800-520-0882 as soon as possible.
Record Product's Serial Number Here:
(See Serial Number Location on page 6.)
Note: If product has no serial number, record month and year of purchase instead.
Note: Some parts are listed and shown for illustration purposes only, and are not available individually
as replacement parts.
©
Copyright
2010 by Harbor Freight Tools
or form without the express written consent of Harbor Freight Tools. Diagrams within this manual may not be drawn proportionally. Due to continuing
improvements, actual product may differ slightly from the product described herein. Tools required for assembly and service may not be included.
Manual Revised 11h
Only use OUTSIDE
and far away from
windows, doors,
and vents.
Visit our website at: http://www.harborfreight.com
Email our engine tech support at: predator@harborfreight.com
®
. All rights reserved. No portion of this manual or any artwork contained herein may be reproduced in any shape

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Summary of Contents for Predator 68124

  • Page 1 Note: If product has no serial number, record month and year of purchase instead. Note: Some parts are listed and shown for illustration purposes only, and are not available individually as replacement parts. Visit our website at: http://www.harborfreight.com Email our engine tech support at: predator@harborfreight.com © ® Copyright 2010 by Harbor Freight Tools .
  • Page 2 Specifications Description Item 68124 Displacement 99cc 310L x 290W x 300H mm Dimensions 12.2L x 11.4W x 11.8H IN. Dry Weight 22 LBS. / 10 KG Maximum Torque 3.5 FT-LBS @ 2500 RPM Maximum RPM 3600 RPM Compression Ratio 8.5:1...
  • Page 3: Symbol Definitions

    NOTICE is used to address practices not related to personal injury. SAVE THESE INSTRUCTIONS CAUTION, without the safety alert symbol, is used to address practices not related to personal injury. For Engine technical questions, please call 1-800-520-0882. Page 3 SKU 68124...
  • Page 4: Setup Precautions

    21. Do not cover the engine or equipment during operation. Do not operate near pilot light or open flame. 22. Keep the equipment, engine, and 5. Do not touch engine during use. Let surrounding area clean at all times. engine cool down after use. Page 4 For Engine technical questions, please call 1-800-520-0882. SKU 68124...
  • Page 5: Service Precautions

    3. Do not alter or adjust any part of the equipment INSTRUCTIONS. or its engine that is sealed by the manufacturer or distributor. Only a qualified service technician may adjust parts that may increase or decrease governed engine speed. For Engine technical questions, please call 1-800-520-0882. Page 5 SKU 68124...
  • Page 6 Engine Controls Fuel Cap Engine Switch Serial Number Location (Write on front cover of manual.) Oil Drain Plug Dipstick Muffler Throttle Starter Handle Choke Air Filter Page 6 For Engine technical questions, please call 1-800-520-0882. SKU 68124...
  • Page 7 Mounting Plate (89) Mounting Plate Bolt (90) REV 11h For Engine technical questions, please call 1-800-520-0882. Page 7 SKU 68124...
  • Page 8: Pre-Start Checks

    6. Thread the dipstick back in clockwise. CAUTION! Do not run the engine with too little oil. The engine will be permanently damaged. Page 8 For Engine technical questions, please call 1-800-520-0882. SKU 68124...
  • Page 9 Note: Moving the Choke Lever too fast can stall the engine. IMPORTANT:  Allow the engine to run at no load for five  minutes with no load after each start-up so that the engine can stabilize. 6. Adjust the Throttle as needed. For Engine technical questions, please call 1-800-520-0882. Page 9 SKU 68124...
  • Page 10: Stopping The Engine

    Engine Switch off. 2. Under normal conditions, use the following procedure: a. Slide the Throttle or Speed Control Lever to SLOW (the “turtle”). b. Turn the Engine Switch off. Page 10 For Engine technical questions, please call 1-800-520-0882. SKU 68124...
  • Page 11: Cleaning, Maintenance, And Lubrication Schedule

    2. Check/adjust valve clearance 3. Clean fuel tank, strainer and carburetor 4. Clean carbon build-up from combustion chamber Replace fuel line if necessary Service more frequently when used in dusty areas. These items should be serviced by a qualified technician. For Engine technical questions, please call 1-800-520-0882. Page 11 SKU 68124...
  • Page 12 6. Clean the top of the Dipstick and the area around it. 3. Install the new filter or the cleaned filter.   Remove the Dipstick by threading it counterclockwise, Secure the Air Cleaner Cover before use. and wipe it off with a clean lint free rag. Page 12 For Engine technical questions, please call 1-800-520-0882. SKU 68124...
  • Page 13 For Engine technical questions, please call 1-800-520-0882. Page 13 SKU 68124...
  • Page 14: Troubleshooting

    4. Engine valves or tappets 4. Have qualified technician diagnose/ mis-adjusted or stuck. repair ignition system. Follow all safety precautions whenever diagnosing or servicing the equipment or engine. Page 14 For Engine technical questions, please call 1-800-520-0882. SKU 68124...
  • Page 15: Probable Solutions

    3. Intake valve stuck or overheated engine. 3. Have qualified technician diagnose  and service engine. 4. Incorrect timing. 4. Check engine timing. Follow all safety precautions whenever diagnosing or servicing the equipment or engine. For Engine technical questions, please call 1-800-520-0882. Page 15 SKU 68124...
  • Page 16: Emission Control System Warranty

    This warranty gives you specific legal rights and you may  also have other rights which vary from state to state. 3491 Mission Oaks Blvd. • PO Box 6009 Camarillo, CA 93011 • (800) 520-0882 Page 16 For Engine technical questions, please call 1-800-520-0882. SKU 68124...
  • Page 17 Exhaust pipe stud. Muffler. iii) Catalytic converter (if so equipped). Miscellaneous Items Used in Above Systems Vacuum, temperature and time sensitive valves and switches. Hoses, belts, connectors, and assemblies. For Engine technical questions, please call 1-800-520-0882. Page 17 SKU 68124...
  • Page 18 Spring, Valve Spring, Governor Tappet, Valve Bolt Lifter Asm., Valve Control Asm., Throttle Plate Asm., Lifter Stopper Mounting Plate Bolt, Valve Adjusting Mounting Plate Bolt M8 x 16 REV 11h Page 18 For Engine technical questions, please call 1-800-520-0882. SKU 68124...
  • Page 19 Parts List and Diagram REV 11h For Engine technical questions, please call 1-800-520-0882. Page 19 SKU 68124...
  • Page 20 Mounting Hole Diagram Note: Not to scale. 1.44 in. / 36.5mm 4.02 in. / 102mm Power Take-Off Diagram Note: Not to scale. 2x5/16-24UNF 2.37 in. / 60.1mm 1.79 in. / 45.5mm Ø3.625 in. / 92.1mm 0.1875 in. / 4.76mm Ø0.625 in. / 16mm 5/16-24UNF ≥0.98 in.

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