Introduction congratulations on purchasing this fine engine. It has been over 20 years since saito introduced their first 4-stroke glow engine, the fa-30. Since that time saito has led the way in the development of powerful 4-stroke glow engines, from the small fa-30 to the large fa-325 5-cylinder r...
Note: for proper heat transfer, it is important to use a metal motor mount when mounting these engines in a model aircraft. • the engine is designed for use on a model radio control airplane. If it is used for any other purpose, we cannot be responsible for its reliability or safety. • always use ge...
Fuel • mix a ratio of gasoline to oil of 20:1 for break-in and continuous operation on all engines. • a mixture of commercial regular gasoline and a reliable high quality 100% synthetic oil for 2-cycle engines must be used (we recommend evolution oil, evox1001q). Unleaded high-octane gasoline is not...
Counter-clockwise direction (for rich mixture) clockwise direction (for lean mixture) clockwise direction (for lean mixture) counter-clockwise direction (for rich mixture) high-speed needle valve low-speed needle valve ball-joint for linkage throttle lever sure that the spark plug is screwed in and ...
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 9 8 s t a r t i n g t h e e n g i n e contacts. Clean any possible excess fuel (an indication of engine flooding) and screw it in again. Further starting should only be done with the throttle at idle position. If the plug is dry, probably not enough ...
Out 2 1/3 turns. • idle needle valve: with the throttle barrel closed, turn the needle valve all the way clockwise and then back out 4 turns. • set the throttle barrel at the fully closed position before making any adjustments. General operating procedures (to ensure the long life of the engine) • d...
Valve/tappet gap adjustment after approximately one hour of operation, tappet gap adjustment may be necessary. When you check the valves, lubricate the moveable parts. Also make sure the screw is in tight before making adjustments to valves. Adjust the valves to a clearance of .03mm to .10mm (.002 t...
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.
Saito fg-20 parts list # description qty # description qty 01 cylinder (left) 1 42 rocker arm screw and nut (42-1,42-2) 2ea 06 piston 1 43 rocker arm pin 2 07 piston pin 1 44 rocker arm bracket (left) 1 08 piston pin retainar 2 45 rocker arm bracket (right) 1 09 piston ring 1 46 valve (in and out) (...
F g - 3 6 p a r t s l i s t 19 saito fg-36 parts list # description qty # description qty 01 cylinder (left) 1 42 rocker arm screw and nut (42-1,42-2) 2ea 06 piston 1 43 rocker arm pin 2 07 piston pin 1 44 rocker arm bracket (left) 1 08 piston pin retainar 2 45 rocker arm bracket (right) 1 09 piston...
Fg-20 fg-36 89 idle needle valve g2089 -- 90 carburetor screw & spring set g2090 g3690 91 carburetor gasket set g2091 g3691 93 intake velocity stack -- g3693 95 engine mount g2095 g3695 96 tool set g2096 g3696 97 instruction manual man1g man1g 109 f-1 fuel filter 50109 50109 110 anti-loosening nut 5...
Assembly, setup or use of the product has been started, you must contact horizon directly. This will enable horizon to better answer your questions and service you in the event that you may need any assistance. For questions or assistance, please direct your email to productsupport@horizonhobby.Com,...
24 w a r r a n t y & r e p a i r s consumer w arranty registration complete this form and mail along with your dated sales receipt (send cop y, k eep original for your f iles) within 10 days of purchase to: horizon service center attn: saito w arranty dept. 4105 fieldstone road champaign, il 61822 e...
