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View Full Version : how much hp can 450r make?


mirzasparks
04-02-2005, 06:49 PM
how much hp can the average 450r deliver ?
what i mean by average is the usual suff like: hrc kit, a pipe and filter ... and how much can the fully moded one do ?

thanks!
Airik79mx
04-02-2005, 07:38 PM
I'd say in the 40's
Fully modified in the 50's
chad502ex
04-02-2005, 08:02 PM
Originally posted by mirzasparks
how much hp can the average 450r deliver ?
what i mean by average is the usual suff like: hrc kit, a pipe and filter ... and how much can the fully moded one do ?

thanks!

up to 48 hp with usual stuff

low 60's fully modded without fuel injection and turbo kit.

with turbo and FI over 100hp
WhiteZee
04-02-2005, 08:28 PM
50hp has been reached with the stock bore, with no nitrous.
mirza450
04-02-2005, 09:05 PM
i wonder how a yamy comparares to 450r with similar mods like: retarding the cam ,exhaust and filter ?
WhiteZee
04-03-2005, 12:37 AM
Originally posted by Crash929
The power comes on sooner and it peaks out higher.
wrong.
iceracer65
04-03-2005, 03:51 AM
it depends on how long you want it to last...the more hp the shorter the life span.

an offshore boat racer motor builder was asked the same question...he said "800Hp a piece in a long race...1400Hp a piece in a long race"...that pretty much sums up ANY motor.
awj8074
04-03-2005, 09:34 AM
Originally posted by iceracer65
it depends on how long you want it to last...the more hp the shorter the life span.

an offshore boat racer motor builder was asked the same question...he said "800Hp a piece in a long race...1400Hp a piece in a short race"...that pretty much sums up ANY motor. fixed
Kilabanshee
04-03-2005, 11:19 AM
I'm guessing my 450r will be around 50hp. Sparks exhaust, k&n airfilter with precharger, custom airbox lid, 13.1 piston thermal coated,hrc cam, ported head with kibblewhite +1 valves, hardend valvesprings, seals and guides, trenga racing hotwire coil,dynatek ignition.
chad502ex
04-03-2005, 11:39 AM
Originally posted by Kilabanshee
I'm guessing my 450r will be around 50hp. Sparks exhaust, k&n airfilter with precharger, custom airbox lid, 13.1 piston thermal coated,hrc cam, ported head with kibblewhite +1 valves, hardend valvesprings, seals and guides, trenga racing hotwire coil,dynatek ignition.

wanta bet? :D
trx450Rrider
04-03-2005, 03:00 PM
yfz does not make even close to as much torque