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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
2000 YZ250 Setup (flywheel weights, porting etc.)
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[QUOTE="bclapham, post: 492094, member: 25565"] it is probably not running correct with the 8 plug because of poor jetting, and swapping the hotter plug to give acceptable performance is not the best way of doing things since you are only treating the symtoms and not the cause of the problem. From the information i have learned in other threads, running the wrong plug in this situation only increases the chances of very expensive engine damage, espcially as you get faster and do more riding, or even if the weather makes a sudden change. Surely a few dollars spent on jets is worth it to ensure both excellent performance and peace of mind? maybe before you spend lots of money on engine tuning, you should especially look into your correct jetting, since here is where a very significant increase in performance can be had very easily....it doesnt matter how much performance mods you make, they are worth nothing unless the bike is jetted properly. [/QUOTE]
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Forums
Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
2000 YZ250 Setup (flywheel weights, porting etc.)
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