If they are both the same engine size, stock, and running right the New 2stroke YZ will dominate a 1980.
yz 80 B
yz 125 use the same plastics from 1996 to 2001
18 ft. lb. From owners manual of 1981 YZ 465 H.
inicion electric sistem
nada.com or kbb.com
The type of carburetor on the 1999 Yamaha YZ 125 is Mikuni how ever the sub model is either VM TM or TMX
Probably about 50-60
$3250
Nothing; it's a model designation, like YZ.
60-65 mph stock
1lx-00 is a Yamaha yz 125 -86
Not likely, ttr 125s are 4 stroke and it is a trail bike. a yz 125 is a 2 stroke race bike. yz 125s are worth more unless you trade for a older model then the ttr. its posable but highly unlikely