What is HF? Harbor Freight? Would a no-name 13 really have that much more power than a Robin/Subaru 9? I've read that the Robin Subaru's are really under rated.
Have you ever mounted that 13 on a kart? Do they come with a spring loaded throttle?
Last edited by SilverDuck; 05-09-2010 at 02:18 PM.
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