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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
Mo' Better ride report...03 YZ250
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[QUOTE="Rich Rohrich, post: 912508, member: 16241"] No, if what you were looking for was low end and the ability to run pump gas you probably should have requested low end specific porting. Pump gas compatability just makes it tough to get gains everywhere. Depending on the engine you usually have to trade off something if you want to run cheaper gas. If you want it to run hard on top, some low end will usually get sacrificed for the pump gas tuning. The opposite can also be true. From a performance standpoint pump gas doesn't have a lot going for it . The good news is, if you want to switch to better fuel at some point it usually just takes some head mods to fatten up the low end. [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
Mo' Better ride report...03 YZ250
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