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Honda MX & Off-Road Dirt Bikes
CRF450R Y09 - RECALL? - 1st Ride Report
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[QUOTE="Rich Rohrich, post: 1323821, member: 16241"] You put a pipe on a brand new EFI bike that you've never ridden before? I have to ask, what would possibly make you think that would be necessary? Have you considered the possibility that the "new" pipe might be slowing the bike down because it's characteristics don't match the EFI map that Honda built for the stock pipe? EFI engines only have so much "leeway" in the built in map, so changes to the exhaust or intake flow (like a cam would produce) will usually require a change to the ECU's map to keep the change from slowing the bike down. There is a reason they sell so many Power Commanders every year. Just something to consider. ;) [/QUOTE]
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Dirt Bike Discussions By Brand
Honda MX & Off-Road Dirt Bikes
CRF450R Y09 - RECALL? - 1st Ride Report
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