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Dirt Bike Brands - Other
TTR Motor mods, which first?
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[QUOTE="Rich Rohrich, post: 103221, member: 16241"] Stock the TTR cylinder head is a complete TRAINWRECK so the big bore will tend to just move the torque down the rpm band without head mods. There is more torque with the larger bore but it signs off WAY early. The Powroll cam is an excellent match with the big bore, but again the cylinder head really should be dealt with first. BBR has a hotter cam coming soon as well. [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
TTR Motor mods, which first?
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