Sound is vibrations, the engine would be about as loud as a chainsaw 80cc or a
Weed Wacker 50cc The bike itself is much louder, due to vibrating components.
Riders hear every little twang, passer bys hear a symphony of muted moving noise.
A passing Skyhawk makes a pleasant tone. A rattletrap gives off so many various
frequency vibrations, that the overall effect is * noise * . Like a room full of people,
engaged in different conversations, as opposed to one person speaking loudly.
Car drivers won't hear you until after they see you, Dogs will hear you first,
best defense against a tire biting dog is, slow down, let dog reach their stride, than speed up, the extra noise frightens the dog, the extra speed breaks their stride, and discourages further chasing. If your sound sensitive, Quiet your bike by tightening
loose bolts, wear earplugs under your helmet, add vibration dampening padding.
My 80 cc Skyhawk has a slightly aggressive tone, which rises in pitch as RPMs climb.
The 50cc has a subtle low frequency popping sound that barely rises in pitch, almost safe to say 80cc is * twice * as noisy, particulary during wind out.