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MX, SX & Off-Road Discussions
General Moto | Off-Topic Posts
2006 AMA SX/MX Rule changes (No 2WD, Twins, or noise!)
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[QUOTE="nephron, post: 967555, member: 23759"] I'm surprised none of the 2stroke fans have chimed in here. This is the biggest movement toward preservation of the 2 stroke ever. From what I remember, a [B]stock[/B] 250 2 stroke comes in at 99db. A stock 450 has to be modified to get it down to 102! Notice they're giving the 4strokes another year to try to get it down to 99. My guess is it's not going to be do-able without hp losses...but I'm no exhaust expert, for sure. ;) [/QUOTE]
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MX, SX & Off-Road Discussions
General Moto | Off-Topic Posts
2006 AMA SX/MX Rule changes (No 2WD, Twins, or noise!)
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