Saito FG-90R3 4-Stroke
Saito FG-90R3 4-Stroke Radial Gas Engine
Prop Range: 24 x 10 or 24 x 12
Cylinder Type: Ringed piston
Engine (Only) Weight: 3161g
Ignition Weight: (250g)
Muffler Type: 10mm Flex Exhaust Pipes included
Muffler Weight: 157g
Oil Type & Content: Power Model 2T, or Red Line. 15:1 break in, 20:1 after.
Plug Type: CM6
RPM Range: 1,300 - 7,000
Total Weight: 3568g
Type: 4-stroke Airplane
Before starting the engine, inject a suitable amount of engine oil into the lubrication nipple on the crankcase using a syringe or pump while turning the propeller by hand and the valves clearance should be checked !!!
Oil: Stihl HP Ultra oil at a mix ratio of 15:1 - 20:1 (15:1 ratio required for break-in)
Tappet adjustment :
The valve clearance should be checked and adjusted after every after 1 hours while the engine is cold.
We tested the ignition of this engine and concluded that it is best to use max 7.4 volts ! this will allow you to keep the ignition in working condition for many years .