it depends on the rider so either could win the race.
but to put it diferentley the rm would have more go and horsepower than the pitty especially ounce its in band.
__________________ RIDE:
Atomik Pro X (agb29) MODS:
17t/41t Gearing.
Pro Taper Grips.
Pro Taper Bars.
D.I.Y Tall Seat.
Kenda Tyres.
Rim Locks.
Uni Filter.
RIDE:
04 Yamaha WR250F MODS:
White Bro's racing mx4 power pipe
One Industrie's sticker kit
Pro Taper's
the 80 is cover you in dust sus u mite jump him for the first 20mtrs or so but after that your stuffed.........if the track is really tight the 140 mite have a fighting chance
__________________ 2008 motovert pro
125cc daytona
white plastics
monster energy graphics
pro taper bars
1/4 turn throttle
uni filter
DID420# chain
marzocchi shiver forks
elka rear shock
crf250r
full bills pipe
1 industries dc graphics kit
tag bars
tag grips
cp piston
1999 yz125 project bike
4 sale shortly
There's some old RM80's and CR80s at my locl track and they KICK! No way would a 140 keep up with them....Unless it was a really tight track and the 80 didn't get much time for powerband..
__________________
My Bike:
2001 YZ80
CEET Gripper seat
Blue Scott Grips
Kenda Millville Rear tyre
New Rimlock
2007 MSO 140s
#420 D.I.D. chain
NGK Spark Plug
Shell sx4 Silver Oil
Black Plastics
MSO stickers found on the 140-SX
High Rev CDI
Black Billet CNC Fuel Cap.
Rim Lock
Vee Rubber Tube