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FJR Motorcycle Forums
FJR Parts & Accessories Discussions
a little more power
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<blockquote data-quote="ionbeam" data-source="post: 313834" data-attributes="member: 277"><p>Yamaha's Ceramic Composite Cylinder Coating would make resizing pistons a bad idea.</p><p></p><p>Inability to access the spark timing maps make other positive pressure solutions impractical.</p><p></p><p>External breathing changes to the intake and exhaust will improve volumetric efficiency, but at the cost of shifting the power band higher, hurting daily drivability.</p><p></p><p>As far as I know, there are no off the shelf hot cams.</p><p></p><p>A very light nitrous shot in combination with a PCIII may be possible.</p></blockquote><p></p>
[QUOTE="ionbeam, post: 313834, member: 277"] Yamaha's Ceramic Composite Cylinder Coating would make resizing pistons a bad idea. Inability to access the spark timing maps make other positive pressure solutions impractical. External breathing changes to the intake and exhaust will improve volumetric efficiency, but at the cost of shifting the power band higher, hurting daily drivability. As far as I know, there are no off the shelf hot cams. A very light nitrous shot in combination with a PCIII may be possible. [/QUOTE]
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