BRP-Rotax
Operators Manual
RUNNING – IN PROCEDURE FOR THE ENGINE
m WARNING
Non-compliance can result in serious injuries or death!
Pay attention to the safety advice of the kart manufacturer.
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).
✔✔
Use our JETTING APP and choose a 1 to 2 number bigger sized main jet than
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
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.
ATTENTION
Use only fully synthetic 2–stroke oil.
BRP-Rotax recommends the use of XPS Kart Tec oil.
ATTENTION
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).
______________________________________________________
Effectivity: 125 MAX DD2 evo
4
Page 5
Edition: September 01 2019
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