496 mag ho rpm
05-30-2011, 08:18 PM
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496 mag ho rpm
Seems like I am down about 300-400rpm. Going to change plugs this weekend to the NGK Laser Iridum Premium (Part no: ITR4A15/5599). My buddy was having a similar rpm problem just this weekend and changed plugs in both motors and he's back in business! (prop is fine-hydromotive 23 4 blade recreational cut, which had me at 5k rpm last year).
