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Operating instructions
MVVS 152 IRS No: 3011
MVVS 152 IRS Twin Spark No: 3011TS
Version 1.3
Before using the engine, please read these instructions carefully.
Congratulations on choosing the gas engine MVVS 152cc.
MVVS 152cc 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
Bore
48 mm
Stroke
42 mm
Weight of complete
3530 g
engine without ignition*
Weight of ignition unit
270 g
* Some manufacturers state the weight of incomplete engines. 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.
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 driven by MVVS 152cc engine.
4)
Use always 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)
Periodically check that the engine is firmly fixed to the engine mounts. Never start a loose
engine!
8)
Always use a balanced propeller! Always replace the propeller when damaged!
9)
Make sure that no part of your body intersects the plane of the spinning propeller.
10) Always wear close-fitting, well-fastened clothes when starting or operating the running
engine. Never wear loosely hanging clothes (tie, scarf, etc.).
11) Never try to stop the engine by any part of your body.
12) Always stop the engine either by turning off the ignition switch or by completely closing
the carburetor throttle valve.
RpM range
1000 – 7500 RpM
Unleaded 95-octane
fuel
Oil with petrol in
Lubrication
mixture 1:40
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Summary of Contents for MVVS 152 IRS - V1.3
- Page 1 Operating instructions Congratulations on choosing the gas engine MVVS 152cc. MVVS 152cc 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. MVVS 152 IRS No: 3011...
- Page 2 16) Small objects must be kept at a safe distance from the engine when it is running. Never For running the engine in, please use MVVS Racing 2T oil that comes with the engine. Mix it throw any objects towards the spinning propeller.
- Page 3 Carburetor adjustment Step I Accelerate to 2/3 of the throttle range within approx. 1 sec (faster acceleration). Repeat three times – if the engine accelerates quickly and without a hiccup go to Step III. If Carburetor is adjusted before you buy it. It is not usually needed to change this setting (always acceleration is not smooth go on to Step II.
- Page 4 Starting and running in a new engine Problem guide Before you first start the engine, screw the plug in and tighten it up. Follow the instructions on The engine would not start: the box of the spark plug. Make sure that the plug socket is fitted in place and fastened down –...
- Page 5 Service information Spare parts list After each 20 hours of running or 1 year change the spark plug. After each 50 hours of operation time preventively check up the con-rod and the reed valve. After 300 hours of operation time commit the engine to the professional warranty service department.
- Page 6 Warranty The MVVS gas engines come with a three-year guarantee against defects in workmanship and materials. Only original buyers of the engines are eligible warranty claimants. The warranty cannot be transferred with a change in ownership. This guarantee does not cover:...
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