Engine sound tweeting rocket

Wlodek said:

Dear friends,we do not have too many rockets in Poland so please forgive me if you find that my question is rather strange.This year I bought brand new rocket.the engine, when its cold, sounds nice but after it warms up, especially when I reduce engine speed, I hear a sound like birds tweeting. sorry I do not know how to describe it in other way. Mechanics from my triumph dealer told me its normal, and that these engines sound like that.they suggested to change the oil for more dense...What are your opinions?thank you in advance!wlodek

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warp9.9 said:

Hey bud listen to the sound of the Rocket in this add its down about midway in the add if this is what your hearing it is a standard sound and when engine braking a stocker I sounds more like a Porsche to me. Of course As Mitzy referred to are we talking stock with original air system ducting. If not and you have Triple filters I believe that's the chirping you hearing from the valve system.

I would not change oil to anything but what is recommended for the beast 15W50 4RT or 10W40 4 RT and myself I would run the 15W50 4 RT

No i witamy na pokładzie pokochasz rakiety.

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