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Kurlon · 11-19-2007, 09:44 AM

A bone stock XR100 has a dry weight of 170lbs +, and makes 7hp. With a pipe, air filter and jetting you're looking at 8hp. My CRF70 based mini GP machine has a wet and running weight of 145lbs, and is turning a solid 10hp at 110cc. I could put my autoclutch back in to make it F1 legal vs F2, and wouldn't fear XR100s. The only real advantage the 100 would have on me, more gears to row through as I've got a 3 speed. Were I to uncork the 110cc motor, take it to a similar spec as say Carlo's 95cc monster, 13hp + is realistic... I'd say XR100s should be the ones worried by the restrictions just due to a lack of room to bump up their motors. :P

11-19-2007, 09:44 AM	#23 (permalink)
Kurlon Super Moderator Join Date: Feb 2005 Location: Windham, ME Posts: 7,970	Re: 2008 National Mini Roadrace is set!!! A bone stock XR100 has a dry weight of 170lbs +, and makes 7hp. With a pipe, air filter and jetting you're looking at 8hp. My CRF70 based mini GP machine has a wet and running weight of 145lbs, and is turning a solid 10hp at 110cc. I could put my autoclutch back in to make it F1 legal vs F2, and wouldn't fear XR100s. The only real advantage the 100 would have on me, more gears to row through as I've got a 3 speed. Were I to uncork the 110cc motor, take it to a similar spec as say Carlo's 95cc monster, 13hp + is realistic... I'd say XR100s should be the ones worried by the restrictions just due to a lack of room to bump up their motors. :P __________________ http://www.x386.net/TTR 2004 ST3 - 'Duckie'?!?! 2005 CRF70RR - MiniGP Weapon 2005 CRF70 - Dirt Donk 2008 Pitster Pro X4 Motard 1991 GS500E - LRRS/CCS #771