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Old May 25th, 2015, 09:59 PM   #31
Somchai
Freedom for Germany
 
Location: This World
Join Date: May 2011

Motorcycle(s): Ninja 250R-FI

Posts: A lot.
The oil temperatur of my Ninja (2011) with the oil cooler here in an outside temperature of around 100 F is between 180 F and 200 F (rpm around 10500 all the time) and since I use Motul 300V Ester core racing oil there is no problem until it reaches 300 F.
With all modern oils you should have no problems until the temperature is starting to move higher than 250 F, while racing oils are good up to 300 degrees in F.
The lowest temperature from where you should rev your engine to high rpm is 175 degree in F.
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