2010 YZ 450 setup


30 replies to this topic
  • honda907

Posted February 19, 2010 - 02:57 PM

#21

We added to the rear sprocket because MXA said to, and we're all sheep. Baaah. :lol: Don't confuse top end hit to top speed. I still use my 09 spare rear wheel and I liked the 49t. I've got 2 races on mine now and I like the instant throttle response.:ride:


For as much as I will be spending on my 2010 Yamaha, I hope the transmission isn't a problem. Mine will be here sometime next month. I don't plan on getting a pipe for a 7100 dollar bike!!!! My wife never says anything until this year when she heard Ron say "Retail of 8K"!! I got the look!! That's more than we paid for her leftover CBR600RR last year!! She said "How much will it be worth next year?" I said "About 3K just like this year." She said no pipe after that.:ride:

Hey Doug, BTW does yours start now that you have some time on it? I had the same problem on my 09 last year, but after a couple of hours , the problem disappeared.

  • MX4Life

Posted February 19, 2010 - 05:46 PM

#22

Yo Greg, Starting is much better then that 1st weekend of hell. Normally starts 2nd or 3rd kick, after the kick through priming ritual. I've yet to stall it in a race, I'm dreading that. Last race at ECMX I passed a fellow 2010 YZ rider that had stalled his on the last lap. He normally kicks my ass, but his mistake allowed me beat him in the overall. :ride: Are you riding this weekend, I'm thinking about VMP.

  • honda907

Posted February 22, 2010 - 11:04 AM

#23

Yo Greg, Starting is much better then that 1st weekend of hell. Normally starts 2nd or 3rd kick, after the kick through priming ritual. I've yet to stall it in a race, I'm dreading that. Last race at ECMX I passed a fellow 2010 YZ rider that had stalled his on the last lap. He normally kicks my ass, but his mistake allowed me beat him in the overall. :ride: Are you riding this weekend, I'm thinking about VMP.


I know it's late, but Dman and I went to Indy all day Saturday. Man, we had good seats and we had a blast. RV crashed right in front of us with his bike leaking fluid all over the place. If I was one guy over, I would have had a tee shirt with two St. Louis tickets in it. Josh hill gave the stuff out. The race live unfolds differently than on TV for sure.

Yep, we had a blast. Much better than the outdoor stuff.

  • hadameo

Posted February 23, 2010 - 07:28 AM

#24

My 09 came with a 120 rear tire and it robbed power so instead of gearing this beast i went to a 110 and it made a big difference and went to a 90 up front and liked it also!

  • craymond

Posted February 23, 2010 - 08:47 AM

#25

I've had my '10 450F for a few months now and these posts are great input and have help me quite a bit with dialing in the setup. Thanks guys!

I do have a question since there is some discussion on starting & stalling the bike. This is my first FI bike and I seem to stall it more easily than with my previous bike. Are there any suggestions for helping to lessen the liklihood of stalling?

- FI settings?
- Gearing?
- Riding technique?

Thanks again!

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  • grayracer513

Posted February 23, 2010 - 08:56 AM

#26

Set the idle a little higher. Also, the bike as delivered is geared just a bit high. Consider adding a tooth or two at the rear.

  • CaptainKnobby

Posted February 23, 2010 - 11:06 AM

#27

Set the idle a little higher. Also, the bike as delivered is geared just a bit high. Consider adding a tooth or two at the rear.


wouldnt it be cheaper to get a front sprocket? instead of a rear. Or would the ratio of one tooth smaller on the front sprocket be to much of a decrese compared to the rear?

  • grayracer513

Posted February 23, 2010 - 11:54 AM

#28

It would be cheaper, but since the existing ratio is 3.69:1, changing down a tooth in front is equal to adding 3.7 teeth to the rear.

Plus, a 12 is really impractically small. It will increase chain slap, wear to the top and lower front of the slider, and will wear faster itself.

  • CaptainKnobby

Posted February 23, 2010 - 12:08 PM

#29

I see!.....I didnt know it would be that much of a decrease. Shoot!!! almost four extra teeth would be a great deal of difference. Guess I better be ordering a larger sprocket for the rear.

  • norcal_hoss

Posted February 23, 2010 - 04:50 PM

#30

I see!.....I didnt know it would be that much of a decrease. Shoot!!! almost four extra teeth would be a great deal of difference. Guess I better be ordering a larger sprocket for the rear.


If you have not ordered a sprocket these are great for the money. $19 bucks and they are steel. Ya a bit heavier but ive never noticed it. 450's have more than enough power to run steel sprockets and xring chains.
here is a link I bought a 49 and 50 gonna see what I like.
http://www.rockymoun...2#vehicleSelect

  • Joe105

Posted February 24, 2010 - 05:52 AM

#31

I've been visiting this forum just watching, processing, and taking mental notes. I will most likely be making another bike purchase this year and unless the 250f comes out and is mind blowing I'll be getting a 450. Ive been riding yz250f's since 04, I feel its time for something different and a new learning experience. Cant wait to join the club, specially a fuel injected one :thumbsup:





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