Sticker Lock; Break-In - Vittorazi Motors Moster 185 Classic User Manual

Whenever you choose to verify the carburetor settings, proceed in this way: completely
close the screw L and H and then open them exactly with the standard setting, as
described on chart 4.5. Remember: a strong pressure (tightening) on these screws can
irremediably damage the carburetor.
Following these guidelines, you can perform a simple check of the carburetion, but only
once the engine has been safely alight and heated for few minutes (see chapter 4.3)
:
The motor has to maintain a constant idle and must not to have the tendency to
•
go off or to flood.
When you pull the throttle fastly from the idle rpm, the motor immediately has to
•
react without going off or suffering lacks of power.
Simulating a cruise flight (about 1/4 or 1/3 of throttle), the motor have to react
•
with a regular thrust, smooth and not with hiccups or power jumps.
At full throttle, the thrust has to be constant and the max speed between 8.000-
•
8.600 RPM.
Attention: if the carburetion of the motor (the quantity of gasoline that arrives to the
motor) is poor, therefore the opening of the screw is lower compared to the
indications of the chart, breakups as seizures, overheatings, fusion of the piston,
precocious wear of the components will probably occur.
Problems to the motor due to a lack of oil in the gasoline or a wrong mixture
oil/gasoline, impurity in the fuel or a incorrect carburetion, immediately void the
warranty (See chapter warranty 11.3).
A check of the carburetion can be made, verifying the color of the spark-plug electrode.
A first control can be done, at the end of the of break-in period, in the following way:
• If the electrode is brown, the carburetion is correct.
• If the electrode is grey or light, the carburetion is poor and you have to
immediately seek the cause, with the help of an authorized dealer/instructor.
• If the electrode is dark brown or black, the carburetion is rich.

4.5.1 / sticker lock

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