Ys fz 140 manual

Open the throttle fully and slowly turn the propeller 10 times. This primes the system by pressurizing the tank and sending. Close the throttle to the idle position and connect the glow plug.

The engine is now ready for starting. To maximize engine performance and increase durability, please. Use the same size or slightly smaller propeller than you intend. Synthetic oil is recommended, or a. Do not use four cycle fuel due to low oil content. The needle valve should be set so that the engine is running at. Run the engine approximately 20 minutes with this. Mount the engine to the model and fly ten times with this setting. This concludes the break-in procedure, It is advisable to always.

Adjustment of high speed is done by the carburetor needle valve. When the needle valve is turned clockwise, the mixture is leaner. When it is turned counterclockwise, the mixture is richer.

A good. When the engine is started, open the throttle graduall. Next, find. The engine may. Wait until the engine temperature rises and then open the throttle. For flying, it is advisable to use a slightly richer mixture setting.

By using a richer mlxture, the engine temperature is maintained. This engine is equipped with a new low speed needle valve to. This needle valve is. The low speed needle valve should be set after the high speed.

Close the throttle gradually to. Let it idle for 20 to 30 seconds. The adjustment is satisfatory. If the engine is runnlng rough on idle, the low speed mixture is. If the engine starts to speed up and dies on idle or starts to. The regulator adjusting screw on this engine is fac-. No further adjustments are necessary. If for some reason. Tappet clearance is factory preset. No adjustment is necessary. Clearance adjustment should be done when the engine is cool. When the engine temperature is high, clearance is higher due to.

The proper clearance setting should be at 0. The adjustment is achieved by loosening the locknut Fig. Tighten the locknut after the adjust-. After the initial 1 hour adjustment, this proce-. If for some reason you have to disassemble your engine, please.

Remove the carburetor and backplate assembly. Notice the. Position it. When reinstalling the cam gear, the side with a point mark should. Remove the adjustment screw of the valve, and then remove the. Due to the high torque of the FZ engine, we have equipped It.

Mount the propeller and tighten the rear nut. Next, tighten the. Select a good quality propeller that will turn in the 8, to 9, Remove tube B from the filter; remove tube A from the check. Fuel will eject if. Open the throttle fully and slowly turn the propeller 10 times. This primes the system by pressurizing the tank and sending.

Close the throttle to the idle position and connect the glow plug. To maximize engine performance and increase durability, please. Use tho same size or slightly smaller propeller than you intend. Synthetic or castor oil can be used, or. Do not use four cycle fuel. The needle valve should be set so that the engine is running at. Run the engine approximately 20 minutes with this. Mount the engine to the model and fly ten times with this setting.

This concludes the break-in procedure, It is advisable to always. Adjustment of high speed is done by the carburetor needle valve. When the needle valve is turned clockwise, the mixture is leaner. When it is turned counterclockwise, the mixture is richer. A good. When the engine is started, open the throttle graduall.

Next, find. The engine may. Wait until the engine temperature rises and then open the throttle. For flying, it is advisable to use a slightly richer mixture setting. By using a richer mlxture, the engine temperature is maintained. This engine is equipped with a new low speed needle valve to. This needle valve is. The low speed needle valve should be set after the high speed. Close the throttle gradually to.

Let it idle for 20 to 30 seconds. The adjustment is satisfatory. If the engine is runnlng rough on idle, the low speed mixture is. If the engine starts to speed up and dies on idle or starts to. The regulator adjusting screw on this engine is fatory. No further adjustments are necessary. If for some reason you.

Tappet clearance is factory preset. No adjustment is necessary. Clearance adjustment should be done when the engine is cool. When the engine temperature is high, clearance is higher due to. The proper clearance setting should be at 0.

The adjustment is achieved by loosening the locknut Fig.