Prop question.......

nibble

Registered Member
City
Smithfield
I've got a 2005 150cc with Yamaha 40TLRD. Smart Tabs installed. Top speed solo, fully trimmed out I'm getting 31 mph by GPS. The RPM are at 5,000. Prop is alum 11 1/4 -14 -6
Just wondering what a stainless would do for me and what size? I want an extra prop, so the current one would see back up duty if I buy a stainless.
Thanks for any advice.
 
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