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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
2003 Yz 125 Jetting?
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[QUOTE="Ol'89r, post: 1436089, member: 17212"] We'll need your age, weight, favorite food and a picture of your sister.:yikes: No, just kiddin'. Jetting is something you need to figure out for yourself. You will need to do a plug chop. You run the bike wide open and hit the kill button with the throttle still pinned and then look at your spark plug. The color of the plug will tell you how to jet the bike. There are too many factors involved for anyone to tell you how to jet your bike. Altitude, type of fuel, pump gas or race fuel? Type of riding, trail riding? Racing? All factors that affect your jetting. There is a ton of information on jetting on this site. Do a search. You could also contact the manufacturer of the pipe to get a base line setting. [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
2003 Yz 125 Jetting?
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