Operating instructions
MVVS 40 IFS No.: 3095I
MVVS 40 IFS SP No.: 3095SP
Version 1.1
Before using the engine, carefully read these instructions
Congratulations on choosing the gas engine MVVS 40ccm.
MVVS 40 IFS has been designed and manufactured for propeller-powered radio-controlled model planes. It is able to
meet all of your expectations of an acrobatic racing engine.
Technical specifications
MVVS 40ccm
Bore
38 mm
Stroke
35.2 mm
Weight of complete engine
without ignition*
1457 g
Fuel
Unleaded 95-octane fuel
Weight of ignition unit
200 g
Lubrication
Oil with petrol in mixture 1:40
RpM range
1400 – 9000
* The value in the table above stands for the weight of a completely assembled engine, including the spark plug,
carburetor, drive washer and prop screws.
** Power output varies with the exhaust used. The value given in the table stands for the maximum available power
output.
Engine’s dimensions
A
mm
B
mm
C
mm
D
mm
E
mm
40 IFS
182
118
60
84
70
F
mm
G
mm
H
mm
I
mm
J
mm
40 IFS
41
5,3
M10x1
10
45
Safety precautions
1)
Never use the engine for any manned vehicles.
2)
When operating model planes, always follow the rules and laws in effect in your country.
3)
The manufacturer declines all responsibility for all damages arising from the operation of models and other
appliances droved by MVVS engine.
4)
Always use original spare parts.
5)
Never tamper with the engine construction.
6)
Before each flight check that all the propeller screws are tightened up and in good condition. If you use a
spinner, check that it is tightened up, too. When mounting the spinner always follow the assembly
instructions.
7)
Before each flight check that all the propeller screws are tightened up and in good condition. If you use a
spinner, check that it is tightened up, too. When mounting the spinner always follow the assembly
instructions.
8)
Periodically check that the engine is firmly fixed to the engine mounts. Never start a loose engine!
9)
Always use a balanced propeller! Always replace the propeller when damaged!
10)
Make sure that no part of your body intersects the plane of the spinning propeller.
11)
Always wear close-fitting, well-fastened clothes when starting or operating the running engine. Never wear
loosely hanging clothes (ties, scarf, etc.).
12)
Never try to stop the engine by any part of your body.
13)
Always stop the engine either by turning off the ignition switch or by completely closing the carburetor
throttle valve.
