It is of vital importance, before attempting to operate your engine, to read the general 'SAFETY INSTRUCTIONS AND WARNINGS&apos
18Model engine fuel is poisonous. Do not allow it to come into contact with the eyes or mouth. Always store it in a clearly marked co
20Set the throttle valve approximately 1/4 open from the fully closed position. 4.Fully openFully closedSet at this positionPosition the throttle stic
22Now disconnect the glowplug battery.8.Adjust the needle-valve9.Abrupt adjustment of the needle-valve may cause the engine to stop, especially
24THROTTLE VALVE ADJUSTMENTNeedle-valve adjustmentAdjust the needle-valve following the instructions given in STARTING section.Mixture control
26Adjusting the mixture control valveIf the engine hesitates, puffing out a good deal of smoke, before picking up to full speed, it is proba
280.04mmVALVE CLEARANCE ADJUSTMENTALL O.S. four-stroke engines have their valve (tappet) clearances correctly set before they leave the
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3412.5 cc x 4 / 0.765 cu.in. x 425.8 mm / 1.02 in.24.0 mm / 0.94 in.1,800-8,000r.p.m.2,350 g / 82 oz.Dimensions (mm)THREE VIEW DRAWINGSpecificationsDi
2Remember that your engine is not a " toy ", but a highly efficient internal-combustion machine whose power is capable of
4Take care that the glow plug clip or battery leads do not come into contact with the propeller. Also check the linkage to the throttle arm. A disconn
6The O.S. IL-300 (Dia-Star) is a four-cylinder inline overhead-valve four-stroke-cycle engine of 50cc displacement. The engine maintains
8Lock NutPropeller WasherPropeller NutCylinder JacketFront HousingExhaust PipeCylinder Head 1Drive HubCrankcase Under CoverCylinder Head 2Cylinder Hea
10Exhaust pipe adjustmentThe direction of the exhaust pipes may be altered in accordance with individual installation requirements. The
12GLOWPLUGThe role of the glowplugGlowplug lifeParticularly in the case of very high performance engines, glowplugs must be regarded as expendab
1418x10-12, 20x8-10, 22x8PROPELLERThe choice of propeller depends on the design and weight of the aircraft and on the type of flying in which
16GLOWPLUG HEATINGGlowplug batteryIt is necessary to use a glowplug battery of fairly large capacity (10Ah or more) as this is requir
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