Operating instructions
MVVS 190CN4
No: 3014
Version 1.0
Before using the engine, please read these instructions carefully.
Congratulations on choosing the gas engine MVVS 190CN4 - 4 cylinder 190cc.
MVVS 190cc has been designed and manufactured for propeller-powered radio-controlled
model planes. It is able to meet all of your expectations of an aerobatic racing engine.
Technical specifications
Maximum power output
Bore
40 mm
Silencer INT 58.02
+MVVS headers 3246
Maximum torque
Stroke
38 mm
Silencer INT 58.02
+MVVS headers 3246
Weight of complete
engine without
4590 g
Fuel
ignition*
Weight of ignition unit
270 g
Lubrication
RPM range
Propeller recommended
* Some manufacturers state the weight of incomplete engines. The value in the table above
stands for the weight of a complete engine, including the spark plug, carburetor, drive
washer and prop screws.
Important notice
This engine is very specific 4 cylinder with different characteristics from classical
2 cylinder engines.
a) Two ignitions:
The first ignition - its hall sensor for front cylinders (close to the propeller) must
be installed on the adapted milled pad labeled by one point (one dent-dot between
two threads for hall sensor bolts.)
The second ignition - its hall sensor for rear cylinders (close to the firewall)
must be installed on the adapted milled pad labeled by two points (two dent-dots
between two threads for hall sensor bolts.)
b) Ignition battery test function
Is strictly prohibited to do the ignition battery test function as you are used to from
other 1 and 2 cylinders MVVS engines. This battery test function could cause
spontaneous accidental start of the engine.
20,5 HP / 6700 RPM
22 N/m / 5900 RPM
Unleaded 95-octane
fuel
Oil with petrol in
mixture 1:40
1000 – 9500 RPM
32x12 2 blades
30x13 3 blades
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