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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
134cc or 144cc
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[QUOTE="shaggy829, post: 156289, member: 23487"] pit monkey my 2000 yz is done to a 144 when you overbore an engine you will sacrafice top in comparason to the stock bore . I would go eith mid top or all around typ power you could use a fa tty pipe to get a litlle more bottom . big carbes work great with overbores (38mil ) my pwm kiehen added more power everywhere. one more thing about the 144 i have had some trouble with right side crankseals on several yz's including mine the seals have been installed at an angle and can start leaking with the added primary compression .the 01 has an improved seal.:) [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
134cc or 144cc
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