My 426 to 450 Plastics Conversion is Done!!!


37 replies to this topic
  • yz_for_me

Posted May 03, 2006 - 01:45 PM

#21

what year 450 parts are you using? can one use 06 parts?

thanks


No. Not even close. The 426 and the '03-'05 450 frames were close cousins. The '06 is a totally new animal. You can only use parts from '03 to '05 to do the conversion.

  • Satch0922

Posted May 03, 2006 - 05:50 PM

#22

good work...makes me miss my 450 converted 426 :crazy:
Posted Image

  • e30M3

Posted May 03, 2006 - 06:49 PM

#23

I like! Does the '03 tank bolt right onto an '02? Why did you have to change the swingarm and those other hardware pieces?

You said it only took a few hours. Once you had everything did it match up easily or was there machining/fabricating to do?

Thanks.

  • Satch0922

Posted May 04, 2006 - 02:41 AM

#24

you don't have to change the swingarm.

Here are the things you do change:
seat, subframe, airbox, tank, rear brake master cylinder, and plastics

  • e30M3

Posted May 04, 2006 - 05:26 AM

#25

Sorry, I actually type pretty fast and my mind can't keep up, I meant to say subframe, not swingarm.

Sounds like everything matches up then-just get those pieces and bolt together. When you say airbox, what about all the boots and seals, can I "transplant" them from the '02 bike?

Thanks for the info, I really want to do this but want to tally the cost so I know what I am getting into.

  • SWR_426F

Posted May 05, 2006 - 07:24 AM

#26

Would someone mind sending me template for the tank brackets?
Thanks

  • PurpleHaze896

Posted May 05, 2006 - 09:37 PM

#27

Sorry, I actually type pretty fast and my mind can't keep up, I meant to say subframe, not swingarm.

Sounds like everything matches up then-just get those pieces and bolt together. When you say airbox, what about all the boots and seals, can I "transplant" them from the '02 bike?

Thanks for the info, I really want to do this but want to tally the cost so I know what I am getting into.



you will need a new boot for the 03-05 airbox, you can't use the old one.

  • Satch0922

Posted May 06, 2006 - 04:27 AM

#28

you will need a new boot for the 03-05 airbox, you can't use the old one.



Not so. You can take the old boot off .....line it up with the new box and drill your holes where you need them. Then assemble the the old boot and new box. Use silicone sealant between the mounting ring/boot/box just to ensure a good seal (this should be done on the older boxes anyway).

The new airbox does not come with mounting holes in it for the boot so it works great.
:crazy:

  • SWR_426F

Posted May 20, 2006 - 12:46 PM

#29

Does anyone have a template of the tank mounting brackets for the 450 tnak on a 426?
Thanks
Steve

Visit the ThumperTalk Store for the lowest prices on motorcycle / ATV parts and accessories - Guaranteed
  • swab400

Posted May 20, 2006 - 01:21 PM

#30

I have done the 450 plastic mod and I never did do the tank brackets the strap on the rear of the tank and the shroud bolts in combination with the seat really make those bolts useless I have dumped my bike a million times with the new plastics and no problems it is as sturdy as can be just get the tank, shrouds, airbox and rear fender off ebay you will have to cut the frame where the subframe and frame meet at the top but it is no bigge just whack it off. The 450 airboot bolts right up so don't even get a new one you will probably spend under $200 if you buy cautiously then sell your 426 stuff on ebay and you will hardly be out of any money I also did the rear master although I don't think it is mandatory just a no brainer. Overall it is a easy mod! JUST DO IT!! :ride:

  • Climber

Posted May 20, 2006 - 04:51 PM

#31

How much weight did it loose?

Looks good. Wish I could do something like that with my old 400f.

  • buick

Posted May 25, 2006 - 12:22 PM

#32

you can do the same mod to your 400, i did.Posted Image

  • sn22

Posted May 25, 2006 - 06:16 PM

#33

did your old exhuast mount up to the newer subframe OK when you converted your 400? It looks great by the way.... :ride:

  • buick

Posted May 30, 2006 - 03:27 PM

#34

yep, its a 04 stock yz450 pipe that also fit with the old swing arm.

  • GreenKLX

Posted July 12, 2006 - 11:19 PM

#35

Will a 2003-2005 250F airbox work for the conversion?

  • YZ426BRaaap

Posted August 30, 2009 - 06:11 PM

#36

Where did you find the blue frame guard that is on that 426? Also if its not called a frame guard what is it called? Thanks for any help

  • 426 NOOB

Posted August 30, 2009 - 08:18 PM

#37

Where did you find the blue frame guard that is on that 426? Also if its not called a frame guard what is it called? Thanks for any help


UFO plastic company makes guards that look exactly like those.

  • YZ426BRaaap

Posted August 31, 2009 - 07:45 AM

#38

UFO plastic company makes guards that look exactly like those.


Thanks buddy:banana:





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