new 09 yz450


8 replies to this topic
  • bakorider450

Posted June 29, 2009 - 10:44 AM

#1

picked one up about a month and a half ago. Sold the 05 yz450. All i can say is wow. Completly different beast. Power is so smooth compared to the 05 and it handles so much better. Definatly going to do a dr. d pipe and a few other extras before the rain comes. Awesome bike though.

  • thumpertime

Posted June 29, 2009 - 09:48 PM

#2

I agree. The mods will level you out on the weak spots of the power band. I've added a 51 rear sprocket as well. Going out On Friday for a day trip. Love the bike but still doing other upgrades to the bike coming soon. Enjoy your bike and be safe. :worthy:
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  • REDBULLRICK

Posted June 30, 2009 - 06:18 AM

#3

iv never ridden an 09 but iv got an 06 all i can say is its 10 times better than my 05 crf450, im dropping of my suspension today and hitting the track this weekend:ride: ill get an exhaust in a couple weeks. how do you guys the the drds compared to like an fmf?

  • bakorider450

Posted June 30, 2009 - 10:45 AM

#4

iv never ridden an 09 but iv got an 06 all i can say is its 10 times better than my 05 crf450, im dropping of my suspension today and hitting the track this weekend:ride: ill get an exhaust in a couple weeks. how do you guys the the drds compared to like an fmf?


I haven't tried either. I honestly have never had a pipe on any bike i have had. Never felt the need for one on the 05. I have just heard nothing but good about the dr. d pipe so that's what i plan on going with. What else is everyone doing to these 09's. Mostly just playing around with the sprokets and stuff?

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  • stepup450

Posted July 01, 2009 - 07:41 AM

#5

got my 09 about 3 weeks ago. so far I went two teeth up in the rear sprocket, smaller leak jet(50)and just got a heavier flywheel.next will be more carb work to try for a cleaner and more powerfull bottom and mid. If I cant get it that way then exhaust will be next. not sure between the Yosh. or Dr.D. any opinions on these exhausts.

  • Aka.Goose

Posted July 01, 2009 - 09:54 AM

#6

Dr.D. gets great reviews...
I used to use the WB Alum ProII...It had awesome bottom end! But was loud as hell!
Switched to FMF Q4ti w/ ti megabomb...The power is so smoothed out, great mid...SUPER quiet...Thought I'd miss the bottom end snap, but I went up 1 tooth in the rear, and actually pull out of turns way faster now...I think it's because I get better traction from not spinning the tire as much on the bottom end...

  • thumpertime

Posted July 01, 2009 - 08:57 PM

#7

DRD is great for the yz450f 09. With the small mods I did on my bike, it helped out the low and mid. Nice sounds and much snappier. I did the same rear sprocket change and eager to test this Friday/Saturday ride. The baffle is definitely a straight pipe like similar to the Yosh. I had one on my 04 YZ450f.

Both are great just preference for you. I like it wide open. Big Gun would have been my second choice due to barrel type setup on the baffle.

  • mxboy2661

Posted July 11, 2009 - 07:27 PM

#8

got my 09 about 3 weeks ago. so far I went two teeth up in the rear sprocket, smaller leak jet(50)and just got a heavier flywheel.next will be more carb work to try for a cleaner and more powerfull bottom and mid. If I cant get it that way then exhaust will be next. not sure between the Yosh. or Dr.D. any opinions on these exhausts.


what class or skill level r u? i think going up 2 teeth on the rear is an over kill.. try a 50 rear , i race in the 25 a class, and i have a dr.d and the fmf w/ the mega bomb.. the dr.d is sick! jetting use 162m 48 pilot n get the needle off a 06 yz450. sweet! put the clip 3rd pos the fmf is dood, but for the price u can get 2 dr.d's and the drd is way better! if u got any Q just ask i got alotta experience with yami's, especially w , suspension

  • stepup450

Posted July 17, 2009 - 08:15 AM

#9

mxboy, thanks for the jetting tips. what elevation do you ride at? I think two teeth would be to much for sea level or for the mx track but I ride trails from 6000 to 10000 ft elevation. I would say I'm a good B level on mx track and A rider off road. Almost never ride a track so this thing will be made into a woods/desert bike. Changed my mind again on the pipe, ordered a MR.D exhaust today. He is going to send some jetting specs but would love to here what everybody else is doing for around 7000 ft. elevation.





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