2014年8月28日木曜日

Curious About It

Sir i need help , i'll just ask a few questions about my sniper.



When i rev it about 7k rpm and then the rpm goes down, i notice when it reach 4k rpm, i noticed that there are annoying sound coming from my engine like (krrrgggg) or (parang kalaskas) but it's not coming from the plastic, i know its coming from head or block.



Is it natural to hear that sound?



Thanks



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