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View Full Version : Whats faster 450r or yfz450



Hon300ex
01-22-2005, 05:40 PM
Whats faster a honda 450r or a yamaha yfz450. I think they are about the same speed but what do you guys think?

ridinredodb
01-22-2005, 05:48 PM
they are about the same stock. yamaha pays a lot of money for advertisment. the 450R really needs a better cam, the stock cam is really holding back a lot of power. also the yfz comes stock with a 11.9-1 piston and the 450R has a 10.5-1 so theres another thing holding back some power on the honda. the honda is more reliable. moddified both are about the same.

hondaracer305
01-22-2005, 05:53 PM
Just do a search, there is a thread like this every week :o

Hon300ex
01-22-2005, 06:50 PM
thanks for the help

by the way I did do a search but nothing came up on top speed.

mikes450r
01-22-2005, 07:58 PM
the yfz is like totally faster dude..you should like really go check out bluetraxx.com ...they will tell you everything you need to know..:confused: :devil:

hondaracer305
01-22-2005, 09:00 PM
Originally posted by Hon300ex
thanks for the help

by the way I did do a search but nothing came up on top speed.

thats odd :eek2: i see yfz vs 450r threads floating by all the time, dont guess the search brought them up or something. Well, i guess ill go ahead and tell you... The yfz is a little faster on topend, but ive seen videos of a 450r beating a yfz and vise versa, in other words, they are so close, its incomparable. sorry to gripe at you over the search thing.

450rkydude
01-23-2005, 06:45 PM
check out trx450r.org they have the top speeds pinned on thier site450r 78 mph yfz450 78mph. the r will run even faster than the yfz will with even sprocket changes.these tests are facts check them out.

911
01-23-2005, 06:48 PM
the latest dirtwheels has that exact article pick it up and read it.;)

fab410
02-06-2005, 09:44 PM
i dont have the jetting fine tuned yet but this week i had put on a HMF full System Hot cam Stage 2 and a power now valve on my R i already had K&N with the air box cut like the HRC with a 180 main and my buddy has a YFZ and we Raced about a half hr after i installed the cam today and he beat me still in top end but i also have 1 tooth bigger in the rear but i dont know i dont think that 1 tooth will make that big a differance i stayed right there all the way till i hit the rev limiter (tonight I Buy a Rev Box) speaking of which what kind should I get is one different than the other my buddys have procom and have had no problems but ive heard some bad things too