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Saito
4-Stroke Gasoline Engines
™
Owner's Operating Instruction Manual
Model FG-20 & FG-36 | Version 2008
Warning:
Distributed exclusively by
Horizon Hobby, Inc., Champaign, IL 61822
• Do not modify any parts of the engine
www.horizonhobby.com
• 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
© 2009
responsibility from any damage caused by such modification
SAIMAN1LG
• Keep the ignition system well maintained
14387
Printed 01/09
14387 SAI FG_20andFG_36 Manual.indd 26-1
12/16/08 2:09:10 PM
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Related Manuals for Saito 2008 FG-20
Summary of Contents for Saito 2008 FG-20
- Page 1 ™ Saito 4-Stroke Gasoline Engines ™ Owner’s Operating Instruction Manual Model FG-20 & FG-36 | Version 2008 Warning: Distributed exclusively by Horizon Hobby, Inc., Champaign, IL 61822 • Do not modify any parts of the engine www.horizonhobby.com • 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 © 2009 responsibility from any damage caused by such modification SAIMAN1LG • Keep the ignition system well maintained...
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Page 2: Table Of Contents
Engine Contents Included ......................1 Engine Mount (SAIG3695) Safety Precautions ......................1 It has been over 20 years since Saito Ignition (SAIG36153) introduced their first 4-stroke glow Engine Mounting and Muffler Attachment Notes ............2 Muffler (SAIG3674) engine, the FA-30. Since that time Saito Throttle Linkage ........................ -
Page 3: Engine Mounting And Muffler Attachment Notes
4 bolts. We highly recommend the two nuts on the muffler/manifold flights. the use of the Saito Motor Mount connection. Use of threadlock is • The engine is designed for use on Diameter x Pitch (inches) (SAIG3695 for the FG-36 or SAIG2095 recommended. -
Page 4: Fuel
The carburetor used on gasoline four- provide adequate cooling. fuel tank. NGK-CM6 stroke engines are exclusive to Saito. • The use of fuel with up to 10% Spark gap = .7-.8mm (.024 - .028 in) Ignition System Since they have a negative pressure type... -
Page 5: Preparation Before Starting The Engine
• Be sure to connect a gasoline-proof (for rich mixture) (for lean mixture) High-Speed Needle Valve come with a pumped carburetor. You with the carburetor, return it to the Saito Figure 6 line to the breather nipple to vent oil Counter-clockwise direction Clockwise direction... -
Page 6: Adjustment Of The Carburetor
S T A R T I N G T H E E N G I N E A D J U S T M E N T O F T H E C A R B U R E T O R contacts. -
Page 7: General Operating Procedures
Tappet Adjustment Sections. oil mix. Please use reliable oil. correctly installed. • Assemble the engine, reversing • The Saito engines are • Running the engine too lean causes the crisscross pattern used in the equipped with a “breather” nipple. heat; be sure to run the engine Mechanical Faults disassembly. -
Page 8: Valve/Tappet Gap Adjustment
V A L V E / T A P P E T G A P A D J U S T M E N T N O T E S Valve/Tappet Gap maximum and needs adjustment, adjust Adjustment between 0.03 and 0.10mm (0.002 to 0.004 in.) After the gap is checked, After approximately one hour of tighten the locknut securely. - Page 9 N O T E S N O T E S 14387 SAI FG_20andFG_36 Manual.indd 14-15 12/16/08 2:09:13 PM...
- Page 10 F G - 2 0 D I M E N S I O N S A N D S P E C I F I C A T I O N S F G - 2 0 P A R T S L I S T OUTSIDE DIMENSIONS (mm) SAIT O FG- 20 PART S L IS T deScRIPTIOn...
- Page 11 F G - 3 6 D I M E N S I O N S A N D S P E C I F I C A T I O N S F G - 3 6 P A R T S L I S T OUTSIDE DIMENSIONS (mm) S AIT O FG- 36 PART S L IS T deScRIPTIOn...
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Page 12: Parts List
P A R T S L I S T P A R T S L I S T FG-20 FG-36 FG-20 FG-36 01 Cylinder, Left G2001 G3601 89 Idle Needle Valve G2089 06 Piston 125A06 220a06 90 Carburetor Screw & Spring Set G2090 G3690 07 Piston Pin... -
Page 13: Safety Precautions
W A R R A N T Y & R E P A I R S W A R R A N T Y & R E P A I R S assembly, setup or use of the Product has been upon request. -
Page 14: Consumer Warranty And Repair Policy
W A R R A N T Y & R E P A I R S Consumer Warranty and Repair Policy • Damage due to use of improper fuel Saito engines are guaranteed against ™ and/or glow plug workmanship and manufacturing •...