Running - In Procedure For The Engine - Rotax 125 MAX DD2 evo Installation Instructions And Operators Manual

RUNNING – IN PROCEDURE FOR THE ENGINE
To ensure that components have the longest possible lifespan, the engine must undergo a
defined running-in period at first operation or after a repair of the crankshaft or displace-
ment parts.
NOTE
Cover the radiator with the mounted windshield to reach the operating tempera-
ture earlier.
Make sure following requirements are fulfilled:
Use a long gear ratio (standard or higher).
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Use our JETTING APP and choose a 1 to 2 number bigger sized main jet than
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recommended.
For the first 10 liters of fuel use a mixing ratio of 1:33 (= 3% or 0.3 liter oil per 10 liters
✔ ✔
fuel).
Make sure that the coolant temperature reaches 45 °C (113 °F) before going full throttle.
✔ ✔
Run the kart for 15 minutes at continuously changing load and engine speed fluctuation
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up to maximum rotational speed. Rotational speed for max. 2 seconds!
Afterwards reduce the main jet size step by step until standard size is reached.
✔ ✔
After this running-in procedure, the full power of the engine may be used.
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Effectivity: 125 MAX DD2 evo
BRP-Rotax
Operators Manual
Non-compliance can result in serious injuries or death!
Pay attention to the safety advice of the kart manufacturer.
Use only fully synthetic 2–stroke oil.
BRP-Rotax recommends the use of XPS Kart Tec oil.
The engine may never be operated without load.
Is it operated without load (i.e. on the trolley) rpm. over 13.800 1/min are possible,
which shortens the life time of components (con rod, big end bearing etc).
m WARNING
ATTENTION
ATTENTION
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Edition: September 01 2019