To clear new engine, you must take it apart. If you don't understand, better take it to the shop where you bought it and ask for help. It is better to clear new engine because always chance of machine dust left inside and will greatly reduce the life of the engine if you dont clean them before running.
Use Nitro Fuel to clear and then add after run oil , if you dont have, use Sewing machine oil is just as good.
Never use any oil with silicon like those used for ball bearing, they are very bad for engine. Have Fun racing
[係唔係把引擎由車上拆出來洗???[唔係拆哂]]定係用車油由火咀到倒洛去....
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