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Owner’s Operating Instruction Manual

Saito

 4-Stroke Gasoline Engines

Model FG-20 & FG-36 | Version 2008

Warning:

•  Do not modify any parts of the engine
•  This engine is designed for use with radio control model aircraft
•  In case of modifications by the customer, Horizon Hobby Inc. shall not bear any  

 

  responsibility from any damage caused by such modification
•  Keep the ignition system well maintained

Distributed exclusively by  

Horizon Hobby, Inc., Champaign, IL 61822

www.horizonhobby.com

© 2009

SAIMAN1LG

14387

Printed 01/09

14387 SAI FG_20andFG_36 Manual.indd   26-1

12/16/08   2:09:10 PM

Summary of Contents for 2008 FG-20

Page 1: ...dio control model aircraft In case of modifications by the customer Horizon Hobby Inc shall not bear any responsibility from any damage caused by such modification Keep the ignition system well mainta...

Page 2: ...Spark Plug Wrench FG20967 Valve Adjusting Tools Instruction Manual Saito Decal Safety Precautions This manual describes the engine and its general operating procedures For mounting and control see the...

Page 3: ...ction Use of threadlock is recommended Remember to ensure cooling air passes by the engine and muffler in a cowled environment Throttle Linkage Carefully attach the throttle linkage to the engine usin...

Page 4: ...on System Saito gasoline four stroke engines come with Saito s own ignition system composed of the ignition unit cord for sensor black and white cord for earth to ground green insulated plug cap and c...

Page 5: ...a battery with a voltage of 4 8V to 6V and running the engine until it is dry Do not needlessly disassemble the carburetor If you experience problems with the carburetor return it to the Saito Horizon...

Page 6: ...em to drop open the high speed needle by about 5 to 10 minutes CAUTION The engine must be stopped while you adjust the carburetor in order to prevent injury by the propeller Subsequent runs may be mad...

Page 7: ...an exhaust pipe to the cylinder or attaching a propeller nut the use of threadlock is recommended Sometimes it is helpful to tighten an T R O U B L E S H O O T I N G G U I D E 11 10 N O R M A L O P E...

Page 8: ...0 004 in After the gap is checked tighten the locknut securely Do not over tighten The tappet gap is the most important factor in the maintenance of 4 stroke engines and operation with an excess clear...

Page 9: ...14 N O T E S N O T E S 15 14387 SAI FG_20andFG_36 Manual indd 14 15 12 16 08 2 09 13 PM...

Page 10: ...5 Engine mount set 95 1 95 2 95 3 95 4 95 5 1set 37 Steel and washer set 37 1 37 2 1set 110 Anti loosening nut 1 38 Tappet 2 149 Oil slinger 1 39 Pushrod 2 152 Screw pin for drive flange setting 1 40...

Page 11: ...1 95 2 95 3 95 4 95 5 1set 37 Steel and washer set 37 1 37 2 1set 110 Anti loosening nut 1 38 Tappet 2 149 Oil slinger 1 39 Pushrod 2 152 Screw pin for drive flange setting 1 40 Pushrod cover and rub...

Page 12: ...27 Tapered Collet Drive Flange G2027 G3627 28 Prop Washer Nut 125A28 170R3135 29 Prop Nut Spinnet 120S29 120S29 30 Prop Nut Electric Starter 120S30 120S30 31 Crankcase Screw Set 5031 5031 32 Engine G...

Page 13: ...materials and workmanship for a period of 3 years from the date of purchase by the Purchaser Limited Warranty a This warranty is limited to the original Purchaser Purchaser and is not transferable REP...

Page 14: ...______________________________ City State Zip________________________________________________________________________ Please cut on dotted line Saito engines are guaranteed against workmanship and man...

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