Piston help suzuki

[xxl]

I am replacing the piston in my suzuki the manual says face the arrow to the exhuast port. My problem is i just got my piston and no arrow on it how do i know what to put where?

Heres my top

Let me know if you need anymore info

[piston slapper]

What kind of mower is it on?
I would guess that the dot near the outer edge would be your arrow.
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[dutch1]

In the absence of an arrow, Slappers all over it and I would add a supportive guess.

[xxl]

toro suzuki 2 cycle 21 inch mower i was thinking it was the dot just wanted a second opion