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Old 03-07-2007, 09:02 AM   #1 (permalink)
MXZ670Rider
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Join Date: Jan 2007
Location: Sweet Valley PA
Posts: 95
no low end

now on my 670 ho when i first got it i would punch trhe trhottle and the front end would lift up and not touch the ground for about 75 yds . then all of a sudden one day i got on her and its like riding an old beat sled w/ no power. then when i am cruising at about 5500rpm and punch it the ski come up and u better holding on and its good on up throught the rest of the high end. i dont know what happened. dirty cluch? clutch needs a rebuild, new belt? opinions are appreciated thanks .
P.S. alot of u guys are probably wondering y i am complaining about sumthing like this, and the reason is everytime i race some one they always get the hole and it pisses me off,but it the long run i blow by 'em. need some help thanks again guys.
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'02 Arctic Cat ZR800 bored to a 1010cc Psi pipes, vforce reeds, clutched, works suspension.
'96 Arctic Cat Wild cat 700 efi
'77 Arctic Cat Pantera (reconditioning it)
'01 Yamaha blaster 200 with custom exhaust
'06 Arctic Cat 650 Twin
Wheel horse garden tractor w/ 10hp kohler. does 35mph ,2 seats, stereo, wheelies.
racing lawnmower 18hp kohler bored +.025 over, racing cams,egged head. 60mph
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Old 03-07-2007, 11:11 AM   #2 (permalink)
smallengineguy
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When was the last time the belt was replaced?
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1992 Ski Doo Mach 1 (SC-10/2 suspended) March '07 SF.com Sled of the Month!
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Old 03-07-2007, 03:23 PM   #3 (permalink)
MXZ670Rider
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i couldnt tell ya. that was my first thought. but i like to get ur guy's opinion first
__________________
It's a downright joy for a country boy
when he hears them engines moan .



'02 Arctic Cat ZR800 bored to a 1010cc Psi pipes, vforce reeds, clutched, works suspension.
'96 Arctic Cat Wild cat 700 efi
'77 Arctic Cat Pantera (reconditioning it)
'01 Yamaha blaster 200 with custom exhaust
'06 Arctic Cat 650 Twin
Wheel horse garden tractor w/ 10hp kohler. does 35mph ,2 seats, stereo, wheelies.
racing lawnmower 18hp kohler bored +.025 over, racing cams,egged head. 60mph
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Old 03-07-2007, 06:10 PM   #4 (permalink)
smallengineguy
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Replace it!
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1992 Ski Doo Mach 1 (SC-10/2 suspended) March '07 SF.com Sled of the Month!
1993 Ski Doo Mach Z 780 triple
2001 Ski Doo Mini Z



Evergreen Valley Snowmobile Club Webmaster

If I'm not home, CHECK THE TRAILS!
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