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2004_Yamaha_YZ_450F.jpg

Yamaha YZ450F (2004)


Owner: 1trackmind
Added on November 29, 2016


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What did you do to your YZ450FX today?




399 replies to this topic
  • Krannie McKranface
36,165 posts
Location: California
Garage View Garage

Posted October 12, 2016 - 12:58 PM


 

Yeah, I know, but I wanted another 'perspective' to try and convince me...



  • stevethe

    Get Help Now

5,216 posts
Location: California
Garage View Garage

Posted October 12, 2016 - 01:23 PM


Yeah, I know, but I wanted another 'perspective' to try and convince me...


Naw you know you want the Acerbis 2.9 internal tank.

  • RichDawson

    TT Member

27 posts
Location: Missouri

Posted October 12, 2016 - 02:36 PM


Just picked up a warp 9 rear brake pedal to replace the stock one I smashed with approx 2 hours on motor lol. This thing looks bad to the bone. Much better quality than stock.

Yeah, I know, but I wanted another 'perspective' to try and convince me...


I couldn't pull the trigger on that one...

  • stevethe

    Get Help Now

5,216 posts
Location: California
Garage View Garage

Posted October 12, 2016 - 03:07 PM


Just picked up a warp 9 rear brake pedal to replace the stock one I smashed with approx 2 hours on motor lol. This thing looks bad to the bone. Much better quality than stock.

I couldn't pull the trigger on that one...


Warp 9 = Chinese I believe?

  • kieth

    TT Newbie

5 posts
Location: British Columbia

Posted October 12, 2016 - 05:01 PM


Do those stickers come off that axp skid plate. They are terrible

  • Xav-2691

    TT Newbie

18 posts
Location: France

Posted October 12, 2016 - 11:53 PM


Do those stickers come off that axp skid plate. They are terrible

No they don't ! It looks like a good quality sticker and if it's well stuck, it will not move ! I have a friend from the social media page "dirthammers" who has one on his EXCF350 for a year now and never lost it. You can check their page on Instagram by "Dirthammers" ;)

AXP  online store is www.axpracing.com .They propose 2 skid plates for this bike . One "classic" and one with full hose radiator coverage + complete sticker kit ;)



  • Xav-2691

    TT Newbie

18 posts
Location: France

Posted October 12, 2016 - 11:56 PM


Carbon is beautiful but to me, for enduro it's not the adapted product .. 

 

http://axpracing.com...blue-2016.html 



  • RichDawson

    TT Member

27 posts
Location: Missouri

Posted October 13, 2016 - 12:55 AM


Warp 9 = Chinese I believe?


I don't think so. Their website suggests that they are out of salt lake city. Could be their distributor I guess, but no mention of china.

  • RichDawson

    TT Member

27 posts
Location: Missouri

Posted October 13, 2016 - 02:27 AM


Here it is. The tip is on a pivot, like a footpeg. Won't smash in again. Came with brake snake, that I'm installing later. Looks like high quality product.

Attached Thumbnails

  • 20161012_190741.jpg

Edited by RichDawson, October 13, 2016 - 02:28 AM.


  • stevethe

    Get Help Now

5,216 posts
Location: California
Garage View Garage

Posted October 13, 2016 - 07:39 AM


Here it is. The tip is on a pivot, like a footpeg. Won't smash in again. Came with brake snake, that I'm installing later. Looks like high quality product.

 

It looks good but I believe it is imported. One of the only ones Ive seen that looks better than stock is Hammerhead designs which lists forged 6061 T-6 aluminum. The last import shifter I saw was a Tusk on the Anvil's FX it bent like a pretzel and went right through the ignition case. Ended up like this  http://www.thumperta...hows-no-mercy/#



  • NorCal

    TT Addict

3,439 posts
Location: California

Posted October 13, 2016 - 09:09 AM


Can you get the AXP Racing skid plate in the US?

Also, do you need to pull the skid plate to change the oil?



  • Krannie McKranface
36,165 posts
Location: California
Garage View Garage

Posted October 17, 2016 - 05:58 AM


IMG_03211_zpscokzpth8.jpg


  • cowboyona426, cubera and tmeyer37 like this
  • Like This

  • tzracer46

    TT Member

30 posts
Location: Minnesota

Posted October 17, 2016 - 02:48 PM


I raced mine in a hare scramble yesterday. Now it's all dirty and I have to wash it.

 

I've done several things to it since I bought it.

Cycra plastics

FMF 4.1 Ti/carbon slip on

Tusk battery

Tusk wheels set

Gold valves and springs front and rear

GYTR hand gaurds

GYTR kick stand delete

Factory FX seat cover with bump

Pro Circuit dogbone

Ride Engineering 22mm clamps with  CRF4540 steering damper

 

 

My season just ended yesterday so now it's time to start on next year's upgrades. My main complaint with my FX has b



  • tzracer46

    TT Member

30 posts
Location: Minnesota

Posted October 17, 2016 - 03:02 PM


Ok my computer somehow cut my last post short.

Main complaint has been the wide ratio transmission, I ride a lot of moto and the wide ratio is killing me. With that being said I have a friend who was nice enough to to the homework and he claims (I hope he's right) that the YZ trans will just drop in. My plan is to keep the tall 5th if it'll fit for transfer roads when I do ride off road.

 

The other thing for winter will be another revalve and softer springs if I can manage to drop from my porky 245lbs to my goal of about 200 lbs.

 

Along with that, yesterday I spent some time talking about chassis setup with Matt from Checkpoint Offroad and his experience with the FX's the 7mm longer rear shock makes the bike a bit too much of a stinkbug unless you ride a ton of tight single track, which I don't do so with his recommendation I'm going to add a 5mm shim in the shock to lower the back about an inch.



  • RMK800

    TT Silver Member

862 posts
Location: Utah
Garage View Garage

Posted October 17, 2016 - 03:11 PM


^ the stink bug can be with setup. If your static sag is like 15, ya there is a bunch of pre-load on that spring. If your spring is right for weight and you can get the static sag to like 30 to 35 the rear end will drop and you won't have that initial pre-load that effects overall suspension performance.

I was on the border with a new spring, so I did go up one. Now my static sag is at 33, the bike actually was lowered and the suspension felt so much better. To little static sag is not a good thing.

Edited by RMK800, October 17, 2016 - 03:14 PM.


  • Krannie McKranface
36,165 posts
Location: California
Garage View Garage

Posted October 17, 2016 - 04:41 PM


^ the stink bug can be with setup. If your static sag is like 15, ya there is a bunch of pre-load on that spring. If your spring is right for weight and you can get the static sag to like 30 to 35 the rear end will drop and you won't have that initial pre-load that effects overall suspension performance.

I was on the border with a new spring, so I did go up one. Now my static sag is at 33, the bike actually was lowered and the suspension felt so much better. To little static sag is not a good thing.

 

 

When your static sag is too small, then low profile terrain changes will actuall make the bike 'skip'.

 

Your suspension needs to 'drop' as needed to meet the surface of the undulating ground, or the whole bike will drop instead...then the weight distribution shifts, and you loose traction control.

 

Almost all manufactuers design the handling of the bike around very specific sag numbers.

 

Your goal is to start with those, and tune from there.



  • tzracer46

    TT Member

30 posts
Location: Minnesota

Posted October 17, 2016 - 04:53 PM


Yeah I get all that. I'm currently at about 28mm static and about 108 race sag. At static the back end is still roughly 1 1/4 inches higher than a standard yz with the same static number which still equals stink bug. Lowering the static to 35 would put race sag at about 115 which is beyond the desired range of 100-108. Along with that dropping the static from 28-35 still only drops the back 7mm or just over 1/4". My opinion of messing with the sag outside of normal spec range may work somewhat but I'd much rather just shorten the shock and stick to the spec numbers.

  • RMK800

    TT Silver Member

862 posts
Location: Utah
Garage View Garage

Posted October 17, 2016 - 04:58 PM


So you have changed your rear shock? No way you get static sag at 28 when you weight 245 on a stock spring. I agree you want to stay around 105, I wasn't sure if you changed your spring or not.

Edited by RMK800, October 17, 2016 - 05:00 PM.


  • tzracer46

    TT Member

30 posts
Location: Minnesota

Posted October 17, 2016 - 05:14 PM


Yeah the stock spring s were the first things to go. Fat guy like me has no shot at stock springs working. 115 race sag would have the shock topped out static.

  • cubera
10,780 posts
Location: Arizona
Garage View Garage

Posted October 17, 2016 - 05:31 PM


Today changed oil, filters, adjusted bar position (on Scotts sub-mount), put on TMD slider and chain block. I'll tell you the OEM slider was worn through and grooving the swing arm and I don't have that many hours on the bike yet. :thumbsup:  :ride: I was surprised to see so much wear already. :lol:  :facepalm: 







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