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50cc engine -Muffler and Electronic Ignition Included! For plane



Specifications:

1. Type: 2cycle Air Cooled Gasoline Engine for airplane use only.

2. Displacement: 50cc

3. Bore x Stroke: 43mm x 34mm

4. Dry Weight: 1660g (3.63 lbs. )

5. Carburetor: Walbro butterfly type w/pump

6. Max Output: 4.9 HP @ 7500 rpm

7.1600RPM Idel / 7800RPM Full throttle

8. Ignition: 4.8v Auto Timing Ignition, Auto advaced DC-CDI (EMI Certified)

9. Ignition power: DC 4.8 Volts (4 cell NiCad or NiMh battery)

10. Fuel: 93 plus octane premixed 40: 1

11. Fuel Mix- Break in, Approx: 15hours, Radtio- Gasoline: Oli: 25: 1

Fuel Mix-General, Radio-Gasoline: Oil: 40: 1

12. Propeller: 20 X 10, 22 x 10, 22 x 8



Disclaimer:

We cannot control the safe operation of our products. We do not accept responsibility from injuries

Or damage to property resulting from the misuse and abuse of our products.





Carburetor settings:

Every engine is bench run at the factory prior to shipment and packing. During this Quality

Assurance process, the carburetor is adjusted for optimum settings. The High and Low needle

Settings are adjusted. The basic settings for the high and low needles are as follows:

High-speed needle H: 1 1/2 Turns from close

Low-speed needle L: 1 3/4 Turns from close

Note: Do not remove the carburetor spring as the spring helps keep the carburetor butterfly valve

Correctly aligned. Spring tension may be relieved by unhooking the spring. Do not remove the

Spring or inconsistent operation will result.



Engine Break In

Use a good quality 2 cycle engine oil

Use a fuel mixture of 20-1 or 25-1 (Bench running)

Use this fuel mixture for approximately 2-3 hours of run time, we suggest that you bench run the

Engine to become familiar with it operation. A high Octane unleaded fuel (98 Octane is ideal) is

Recommended. Do not run the engine at full throttle for more than ten seconds during this test stand

Break in as the engine will not be getting the normal cooling effect that you would get if the engine

Was in a model that was flying. The GF50i engine requires approximately 12-20 hours running time

To complete the break in process. We recommend using a smaller propeller during the engine break

In period.

Safety Note



Engine Cooling

A proper cooling system is vital for any engine. An air cooled engine requires an appropriately

Sized air intake. Also to keep this air cooling process working the incoming air must be exhausted.

Further, the exhaust air outlet should be four times (4X) the size of the cool air intake.



Example:

. 10 square inches of air intake area would require

. 40 square inches of exhaust air outlet area

It is up to you to insure that the air flows freely to, over, and away from, the hot cylinder(s) and

Muffler(s).