Polini THOR 190 HF Mode D'emploi Pour L'utilisation Et L'entretien page 21

13- ENGINE PROBLEM DIAGNOSTIC CAUSE
The engine doesn't start
The engine doesn't idle
The engine doesn't reach the maximum rpm
Engine revs up when idling
TECHNICAL LIST
Polini Engine
Cooling
Bore for stroke
Displacement
Power
*Max trust
R.P.M. max
Cylinder
Compression ratio
Piston
Intake
Carburetor
Air filter
Ignition
Battery charger prearrangement
Spark plug hood
**Fuel type
*Consumption
Gear reduction unit
Starter
Clutch
Muffler
Engine weight
Propeller rotation
*The values have been detected on the sea level at standard atmosphere. The trust and consumption values may vary according to the air temperature
and density.
**E5 means the petrol type that can be used. E5= unleaded petrol 95 octanes up to 5% of ethanol. This symbol is shown on all the petrol pumps in
Europe.
Out of petrol
Petrol doesn't reach the carburetor Check the fuel system circuit
Old or wrong petrol
Flooded engine
Defective spark plug
Blackened or wet spark plug
Earth switching off cable
Spark plug hood wrong installed
Carburetor has problems
No spark
Dirty carburetor
Out-of-adjustment screws
Defective spark plug
Wrong carburetion
The carburetor has problems
The reed valve has problems
Dirty air filter
Dirty exhaust
Out-of-adjustment screws
Air through the gaskets
THOR 190 HF
2 stroke monocylinder
Forced air
64 x 60
193 cm3
29 HP
83 Kg with Ø 130 cm propeller
8.100
Aluminum with Gilnisil coating
12:1
Two chromium plated rings mm 1
Reed valve in the crankcase
Walbro WB37
Air box
Electronic with inductive discharge
Output power 80 W at 5500 RPM (with electric starter only)
5k Ω resistance
E5 petrol or LL AV GAS-al with 2,5% synthetic oil 100%
2,7 Lh 30 Kg of static trust
Belt transmission with 2,83 reduction ratio
Flash Starter (Electric starter -optional)
Dry centrifugal (for model with clucth only)
Expansion with aluminum silencer
From 13,6 kg
Counterclockwise
SOLUTION
Add petrol
Empty the tank and the fuel system circuit and replace the petrol.
Remove the spark plug, start the engine, dry or replace the spark plug.
Replace it
Clean and dry the spark plug or replace it
Check the tightening
Check it
Clean and check it; eventually replace the diaphragm
Check the ignition, coil and wiring
Clean and check the carburetor
Calibrate the carburetor again
Replace it
Calibrate the carburetor
Clean and check it; eventually replace the diaphragm
Replace the reeds or the whole reed valve
Clean or replace it
Clean or replace the deadening material
Calibrate the carburetor
Replace the gaskets and seals
19
ENGLISH