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Old May 4th, 2019, 06:21 PM   #15
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
It's a liquid cooled engine. I don't see how the head can get any hotter than the rest of the engine unless the water passages have a problem.

Also keep in mind that there are plenty of counterfeit spark plugs going around now. NGK's site has a page that shows how to tell if "NGK" plugs are really NGK plugs.

http://www.ngk-sparkplugs.jp/english...ake/index.html
I suppose the whole engine is just really hot. Im going to do an oil change tomorrow and adjust the valves. Any idea what the specs are supposed to be for intake and exhaust?
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