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What did you do to your Yamaha YZ4XXF today?

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2004 YZ450F - Retired supermoto race bike that now does desert duty.  Holed the radiator during a failed hill climb.  Managed a field repair with a deep socket as a hose coupler and a 2-stroke spark plug to do the plugging...

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Replaced a fork seal.  First time messing with a SSS fork.  Very interesting piece.  Added bar risers, and narrowed the bars 1".

 

 

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Edited by BBR2

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Swingarm and Linkage bearing service. The swingarm could easily go a year, but the linkage and lower shock bearing probably need serviced twice per year. My bike is 2 years old and the stock seals and bearings look good, no play in the shock bearing yet, which has been the weakest link on my past bikes. 

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New graphics kit from https://cormotographics.com/.  I still have to put on the swing arms and fork guards but I'm pretty much complete.

 

2017 YZ450FX street legal.  The perfect bike for everything - trails, dual sport, mx.

 

 

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Edited by Honeybagder
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New bars and a little more seat time on the '00 426 before I pull the right case cover off to find out just where that new "clackity clack" racket is coming from.. Suspected loose balancer drive gear/key.

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Upgrades & fixes:

  • New Tusk handguards because one of the old Acerbis ones exploded in the last enduro.
  • 2 teeth larger rear sprocket
  • Straightened bent radiator (bent in last enduro)
  • Swapped to Honda front brake assembly. (caliper, hose and master cyl).  The stock front brake is terrible.  I have not ridden with it yet, but the lever feel is night and day.

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Posted (edited)

2017 yz450fx - the "Battle Pig"

The ultimate do-everything machine

Street legal single track attack weapon

I added the IMS 2.5 gal tank and a new seat cover for the required seat modification.  I am expecting to get around 60 miles on this tank with stock maps and riding mostly single track.

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Edited by Honeybagder

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8 hours ago, Honeybagder said:

2017 yz450fx - the "Battle Pig"

The ultimate do-everything machine

Street legal single track attack weapon

I added the IMS 2.5 gal tank and a new seat cover for the required seat modification.  I am expecting to get around 60 miles on this tank with stock maps and riding mostly single track.

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60 miles is all WTF, I have the 2.2 gal on my 2020 450FX and fully expect to get 75+ out of a tank... and that's pushing hard

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19 hours ago, Wrfrk said:

60 miles is all WTF, I have the 2.2 gal on my 2020 450FX and fully expect to get 75+ out of a tank... and that's pushing hard

I agree, I expected more.

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That fuel tank cap looks like it would be a nut buster.

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On 4/30/2021 at 9:37 AM, Honeybagder said:

I agree, I expected more.

I would as well, I can get over 60 miles on my stock tank on my 16 450FX.

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2 hours ago, cowboyona426 said:

I would as well, I can get over 60 miles on my stock tank on my 16 450FX.

Hmm.  I'm going to have to make a general thread and ask for peoples experience, thanks for bringing this up to my attention.

 

19 hours ago, BBR2 said:

That fuel tank cap looks like it would be a nut buster.

It's not.  I ride pretty far up on the bike sometimes and I didn't even notice it this weekend on my two rides.

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