FIALA MOTORS FM 60s1-FS Petunjuk

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FIALA PROP s.r.o.

Czech Republic

Instruction manual to use the engi ne

FM 60s1-FS

1. Use of the engine

FM 60s1 -FS

The engine FM 60s1 – FS is a four-stroke spark-ignition petrol engine of the

volume of cylinder equal to 60 cm

and is designed exclusively to propel model

airplanes. Any other use is not permitted.

2. Description of the engine

It is a four-stroke single cylinder engine with valve-operating mechanism OHV and 2

valves in cylinder. Processor-controlled combustion enables calm operation of the

engine within the whole range of use and comfortable start.

3. Fuel used

We prescribe the use of unleaded gasoline of octane rating 95 mixed with a fully

synthetic two-stroke oil in a ratio of 1:25 for running-in (the first two hours of use) and

1:30 for normal operation.

We recommend to use the oil - brand Valvoline - SynPower 2T - Full Synthetic.

(Europe) or Mobil 1 – Racing 2T – Fully Synthetic – 2 Stroke Engine Oil or

Repsol – Moto 2T Racing. We do not recommend to use the oil – brand Castrol due

to high number of carbon.

4. Recommended propellers

We recommend to use the following propellers:

22/14,22/16,23/12,24/10,24/12,26/10

The engine reaches optimum number of revolutions - approximately 5,300

revolutions/minute with these propellers.

While using propellers, safety has to be observed and all recommendations of

manufacturers have to be adhered to. The propeller has to be fastened with one

central bolt M10x1 and with six auxiliary bolts M5 which are included in the delivery.

5. Engine running-in

The engine has been tested and preliminarily adjusted in the manufacturing plant.

The fuel mixture 1:25 described in the section 3 has to be used for engine running-in.

We recommend not to exceed 3,000 revolutions / minute on long-term basis for the

running-in period and engine temperature has to be checked at the same time. This

mode of operation has to be kept for at least 30 minutes. After this period of time,

number of revolutions / minute may be increased to 5,000 for a short time.