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Old May 4th, 2019, 01:43 PM   #6
Sig99
ninjette.org member
 
Name: Simon
Location: Westerly Rhode Island
Join Date: Apr 2019

Motorcycle(s): 1993 katana 600 (sold) 1999 gsxr750 srad (sold) 1991 zx10 (blown)2016 grom 125 (sold) 2006 ninja 250r (current

Posts: 35
Quote:
Originally Posted by Triple Jim View Post
I'm only guessing, bu I'd say the engine is running super lean and the pistons are losing aluminum from being overheated.
what would make it go super lean? Maybe the petcock stopped working so when I was gassing it at 85mph at like 10k to try to accelerate, it might’ve just went wicked lean and ruined the plugs? How do the plugs in the picture look that are after my recent mile ride
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