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Gen 3 125 Airboot?
Posted: November 23rd, 2010, 2:21 pm
by cmotodad
What is the best airboot to use on a gen 3 125? I thought I read a gen3 250 boot is bigger and flows more air, if true, has anyone done it and do they fit properly? Thanks, Bob
Posted: November 23rd, 2010, 3:07 pm
by Roostius_Maximus
i've heard that, havent checked. i have a boot upstairs and one on my other bike. i'd better see what numbers these have.
i think i heard that the newer boot was bigger, not just 125 to 250 chassis
Posted: November 24th, 2010, 10:00 am
by yota
its not bigger, it just has a smoother transition to the carb. the older ones had a right angle dead end. I recently changed my 125 and 500 to the 07 CR125 boots (both are the same chassis). also added 1" unifilter airbox vents. one on the left is the 07 boot in all pics (rt one is the 03).
got big gains on the 500, had to go up 2 pilot sizes to stop surging. the 125 airbox is very restricted. 07 boots are $21.00 at Service honda.
Posted: November 24th, 2010, 10:10 am
by Roostius_Maximus
dammn, back to the dyno
is the newest model 250 boot better or different than the 125 i wonder?
Posted: November 24th, 2010, 10:40 am
by AlisoBob
Great info Yoda.... thanks.
Posted: November 24th, 2010, 11:14 am
by yota
Roostius_Maximus wrote:dammn, back to the dyno
is the newest model 250 boot better or different than the 125 i wonder?
dunno about the 250. the guy who ported my 125 told me the vents and boot alone are worth 1hp on a stock 125 and 2-3hp on a modded 125 depending on the extent of the mods. I could def feel the dif on my 125 and 500.
gotta admit I've been on the 125 for the last 6 or 7 sundays. dusting the 500 off for this weekend though.
Posted: November 24th, 2010, 1:15 pm
by Roostius_Maximus
i just looked and have that 07 looking boot on the bike for bro thats upstairs
bought it from madmikescycles ebay store, says its a 2002 cr125 airbox and subframe
the other one i have is a 2002 cr250. i'll look at bros 2004 cr250 chassis tonite
Posted: November 25th, 2010, 9:31 am
by dubious01
Roostius_Maximus wrote:i just looked and have that 07 looking boot on the bike for bro thats upstairs
bought it from madmikescycles ebay store, says its a 2002 cr125 airbox and subframe
the other one i have is a 2002 cr250. i'll look at bros 2004 cr250 chassis tonite
hey Adam, whats the status?
what you find out?
Posted: November 25th, 2010, 9:42 am
by Roostius_Maximus
i havent checked them at all, but i do have 3 different boots, didnt check the other bike thats over at the farm right now