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This filter (fig16) is included in all our engines. It is placed inside the fuel tank and and works to filter the gasoline to 
avoid bubbles and humidity in the circuit, and too avoid dirt in the carburetor.

(fig

 17

)

(fig

 17

)

(fig

 16

)

BASIC RECOMMENDED CHECKS

Is essential to tight the head cylinder after the first flight hour 

It is necessary to tight the head cylinder nuts after the first flight hour accorded with the table of pairs of tightens and 
using for it a dynamometric key.  
For the 

RM80

 the head cylinder pair of tightens is of 

1 KGM / 10 NM

 and 

1.6 KGM / 16 NM

 for the 

PA125

.

Is essential to tight the 5 screws ø6 of the reductor after the first flight hour.  

The pair of tightens for the 5 screws ø6 is of 

1 KGM/10 NM.

We recommend to always filter the fuel when you fill the deposit. 

We recommend to replace it every 100 hours.

We advice to check that there is no dirt in the interior carburater filter (fig17) every 10 hours. In case there is clean it.

POREX FILTER

First 10 Hrs 

(running-in)

Every 50 Hrs

Every 100 Hrs

Every 150 Hrs

Every 200 Hrs

1.

 Check torque of all 

screws and nuts of the 
engine, exhaust, frame, and 
cylinder head; with a cold 
engine too avoid malforma-
tion. 

2. 

Check the sparkplug, 

the inner part should be a 
brown light colour and have 
a 0.5mm.

3. 

On engines with pulley 

check the correct belt ten-
sion. 
 

4. 

Check the small fuel filter.

5. 

Check that there is no 

dirt in the interior carbu-
rater filter (fig17). In case 
there is clean it.

1. 

Replace sparkplug and 

check contact between 
spark plug cable and 
cap.

2. 

Replace membrane kit.

3. 

Check thickness of 

clutch del ferodo.

4.

 Piston rings.

5. 

Clean carbon residue 

from clutch and exhaust 
manifold, piston head 
cylinder manifold. Check 
needle-bearing set by 
vertically moving the 
piston. 

6.

 Replace cylinder 

gasket and and cylinder 
head gasket. 

1. 

Replace reduction 

gear oil and check the 
state of all engine mem-
branes and replace if 
necessary.

2. 

Replace piston rings 

and membranes.

3.

 Exhaust and engine 

antivibes.

1. 

Change piston

1.

 Check the state of 

all engine bearings and 
change if necessary.

2.

 Replace piston and 

engine membranes.

3. 

Replace throttle cable 

and sleeve if necessary.

4. 

Check general state 

of electric elements 
and engine dampers 
and petrol circuit and 
replace if necessary.

Replace main petrol 

tube.

6. 

Check general state 

of reed valve sheets and 
replace those that are 
worn or not elastic.

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