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	rotax 640 for 1970 nordic - there is nothing wrong with the 399 thats in it i just want a faster motor started by ski-doonordik
	March 30th 2008 at 1:32 PM Post #1
	ski-doonordik Starting Member 1 Posts Group: Members Member Since: March 28th 2008 Location: MI, USA Current Sled: 1970 Ski-Doo Nordic 399 Miles Last Season: 675 Miles This Season: 456
	I just want to go faster but i dont have the cash for a newer sled right now i am willing to trade motor for motor. Can anyone help me? Skiiiiiiiiii-Doo!! Rating: 0 Quick Edit Edit Topic
	Site Supporter Group: Site Supporters
	March 30th 2008 at 7:39 PM Post #2
	xc600rmk Friend of Fast 1497 Posts Group: Members Member Since: March 27th 2007 Location: Albion, NY, USA Current Sled: 98 XC600/RMK,98 XCR440sks Miles Last Season: 1000ish Miles This Season: 1,365
	i had a 670 tnt about 1989 and i also had a 340 tnt, the 640 was more torquey but it didnt really spank that 340 like you think it would,i think it was more the track constantly spinning. you could see where we raced and the 340 finally made a track impression unlike the 640 it just left spin marks lol,but the 640 won everytime.and it seemed every nut and bolt constantly came loose that season and went thru 6 motor mounts,and ur hands tingled for an hour after riding.........oh the good ole days lol *98 XC600 and some RMK add ons *98 XCR440 and some SKS add ons *Some old 70s Chappral Firebird with a 1 lunger Fuji,15mph downhill on ice with a 14 mph tailwind,AND ITS FOR SALE FOR SALE!!! *new edition to the fam.83 Polaris Star 250.givin it some TLC for the lil guys to ride Rating: 0 Quick Edit Full Edit