Predator 68124 User Manual Download Page 1

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.

Only use OUTSIDE 

and far away from 

windows, doors, 

and vents.

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.

Visit our website at: http://www.harborfreight.com 

 

Email our engine tech support at: [email protected]

Copyright

©

 2010 by Harbor Freight Tools

®

.  All rights reserved.  No portion of this manual or any artwork contained herein may be reproduced in any shape 

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

Summary of Contents for 68124

Page 1: ...o 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...

Page 2: ...56 mm x 40 mm 2 2 IN x 1 6 IN Fuel Type 87 Octane Unleaded Gasoline Engine Oil Capacity 0 37 Quart 0 35 L Fuel Tank Capacity 0 53 Gallon 2 0 L Bearing Type Ball Mounting Base Pattern 102 0L x 104 0W 6...

Page 3: ...oderate injury NOTICE is used to address practices not related to personal injury CAUTION without the safety alert symbol is used to address practices not related to personal injury Symbol Definitions...

Page 4: ...ns must follow OSHA requirements 10 Do not leave the equipment unattended when it is running Turn off the equipment and remove safety keys if available before leaving the work area 11 Engine can produ...

Page 5: ...s OFF position b Allow the engine to completely cool c Then remove the spark plug cap from the spark plug 2 Keep all safety guards in place and in proper working order Safety guards include muffler ai...

Page 6: ...chnical questions please call 1 800 520 0882 SKU 68124 Engine Controls Starter Handle Oil Drain Plug Serial Number Location Write on front cover of manual Air Filter Muffler Choke Fuel Cap Throttle Di...

Page 7: ...r parts that control the fuel air ratio will need to be adjusted by a qualified mechanic to allow efficient high altitude use and to prevent damage to the engine and any other devices used with this p...

Page 8: ...l use The SAE Viscosity Grade chart on page 12 in the Service section shows other viscosities to use in different average temperatures 6 Thread the dipstick back in clockwise CAUTION Do not run the en...

Page 9: ...of the Engine loosely and pull it slowly several times to allow the gasoline to flow into the Engine s carburetor Then pull the Starter Handle gently until resistance is felt Allow Cable to retract f...

Page 10: ...perate the engine at its maximum speed c The maintenance break in period will last about 20 hours of use After this period Change the engine oil Under normal operating conditions subsequent maintenanc...

Page 11: ...intenance and Lubrication Schedule Note This maintenance schedule is intended solely as a general guide If performance decreases or if equipment operates unusually check systems immediately The mainte...

Page 12: ...drain plug and if possible tilt the crankcase slightly to help drain the oil out Recycle used oil 5 Replace the drain plug and tighten it 6 Clean the top of the Dipstick and the area around it Remove...

Page 13: ...EANING Wait for engine to cool then clean engine with dry cloth NOTICE Do not clean using water The water will gradually enter the engine and cause rust damage Apply a thin coat of rust preventive oil...

Page 14: ...screwdriver handle 8 Turn Choke to RUN position Remove spark plug and pull the start handle several times to air out the chamber Reinstall spark plug and set Choke to CHOKE position 9 Replace Fuel Fi...

Page 15: ...gasoline with more than 10 ethanol E15 E20 E85 etc 3 Test replace fuel tank cap 4 Have qualified technician service magneto 5 Secure spark plug cap Engine stops when under heavy load 1 Dirty air filte...

Page 16: ...dily and quickly provide you with a replacement We will return repaired products at our expense but if we determine there is no defect or that the defect resulted from causes not within the scope of o...

Page 17: ...engine components caused by the failure of any warranted part while it is still covered under this warranty 4 Coverage Exclusions Warranty claims shall be filed in accordance with the provisions of t...

Page 18: ...Seat Valve Spring 2 41 Spring Valve 2 42 Tappet Valve 2 43 Lifter Asm Valve 2 44 Plate Asm Lifter Stopper 1 45 Bolt Valve Adjusting 2 Part Description Qty 46 Rocker Valve 2 47 Nut Valve Adjusting 2 4...

Page 19: ...19 18 21 25 88 87 87 86 83 82 85 84 64 64 63 59 59 61 60 62 55 54 53 56 51 52 52 52 52 57 58 49 50 50 50 76 77 78 79 80 80 81 38 40 42 43 44 45 46 47 42 43 45 46 47 48 39 40 41 41 48 37 9 10 10 10 12...

Page 20: ...to scale 0 98 in 25mm 1 79 in 45 5mm 2 37 in 60 1mm 5 16 24UNF 0 1875 in 4 76mm 0 625 in 16mm 0 51 in 13mm 4x5 16 24UNF 2x5 16 24UNF 3 58 in 91mm 3 625 in 92 1mm Measurement without base PTO shaft he...

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