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Everything Dirt Bike
Make / Model Specific
Suzuki
2014 rmz450
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<blockquote data-quote="Trfsrfr" data-source="post: 226007" data-attributes="member: 3959"><p>Speculating here but, </p><p>if you're making it fatter by pulling the idle knob, it probably needs to be fattened up, yes?</p><p>Could this be because of the big bore kit?</p><p>It would be interesting to see what the O2 sensor is saying.</p><p></p><p>Did the previous owner ever have it running good? Did you possibly purchase someone else's problem?</p><p>As I stated previously I'm not an owner of an FI bike, nor do I have any big bore experience, but it seems to me if you've got a bigger piston you're gonna need more air and fuel.</p><p>Does it have stock cams?</p><p></p><p>Get more air by a larger throttle body?</p><p>Get more fuel by either larger injectors, or remapping them to stay open longer? </p><p>Do big bore kits require different exhaust?</p><p></p><p>If it were mine, I wouldn't bring it to a shop, at least not yet, because you would just pay them time to figure out the exact things were trying to figure out here.</p><p></p><p>Sounds like a fun project though. Definitely need more information.</p><p></p><p>Just throwing some things out for consideration.</p></blockquote><p></p>
[QUOTE="Trfsrfr, post: 226007, member: 3959"] Speculating here but, if you're making it fatter by pulling the idle knob, it probably needs to be fattened up, yes? Could this be because of the big bore kit? It would be interesting to see what the O2 sensor is saying. Did the previous owner ever have it running good? Did you possibly purchase someone else's problem? As I stated previously I'm not an owner of an FI bike, nor do I have any big bore experience, but it seems to me if you've got a bigger piston you're gonna need more air and fuel. Does it have stock cams? Get more air by a larger throttle body? Get more fuel by either larger injectors, or remapping them to stay open longer? Do big bore kits require different exhaust? If it were mine, I wouldn't bring it to a shop, at least not yet, because you would just pay them time to figure out the exact things were trying to figure out here. Sounds like a fun project though. Definitely need more information. Just throwing some things out for consideration. [/QUOTE]
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Everything Dirt Bike
Make / Model Specific
Suzuki
2014 rmz450
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