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Yamaha WR450F (2009)


Owner: dawataboy
Added on December 04, 2016


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What did you do to your WR today?

Yamaha WR400F Yamaha WR450F


4430 replies to this topic
  • DuncR6

    TT Bronze Member

213 posts
Location: Ohio

Posted June 03, 2016 - 01:20 PM


Created my own battery because I was tired of the OEM crap. I also didn't like other li-ion packs available on the market so I just made my own. This pack is actually 2 indepent batteries packaged as one. So if one dies on the trail all I have to do is switch the quick disconnects and I have a new battery. Ignore the small wires....those are the balance charging leads that I didn't have plugs on yet at the time of the picture. The cranking different between this is stock is very different; with the OEM battery being much more sluggish. Rightfully so since this is double the cranking amps lol. Unfortunately I couldn't easily find small quantities of black shrink tube so I had to settle for green. I didn't quite need 1000 yards of black tubing. I really could have just made a single 4 cell battery that was 1/3 of the size and still had plenty of cranking amps for my WR450. But I wanted a backup battery option.

 

OEM Specs:

130CCA & 6.3 Ah

 

This battery:

8 cell 240CCA & 5.0Ah primary......4 cell 120CCA & 2.5Ah spare. It's around 1.75 lbs, but I haven't measured it yet.

Attached Thumbnails

  • Battery.jpg

Edited by DuncR6, June 03, 2016 - 01:33 PM.


  • DuncR6

    TT Bronze Member

213 posts
Location: Ohio

Posted June 03, 2016 - 01:27 PM


Modified the Unabiker radiator guards. I definitely like them A LOT more than the GYTR guards I had before. The only thing I couldn't understand is the fairing bolt setup for the Unabiker guards. It wants you to use a nut on the radiator side of things to fasten the fairings to the gaurds. Getting a nut in that tight of a space is ridiculous. I then realized I'd have to dick around with that stupid nut setup every time I take the fairings off....hell no. So I took some 6061 aluminum flat bar I had and cut/welded two small squares together. This made a thicker nugget of aluminum that I then welded to the guard in order to bridge the gap between the gaurd and the inside of the fairing.

 

Then I just tapped it for the M6x1.0 bolt. Now it functions just like the OEM louvers with those built-in threaded inserts. Much much easier than trying to mess around around with a bolt & nut.

 

The guard in this picture is for the clutch side. They are not the prettiest welds I've done by a long shot, but they get the job done.

Attached Thumbnails

  • Guards.jpg

Edited by DuncR6, June 03, 2016 - 01:31 PM.


  • Agazza

    TT Bronze Member

124 posts
Location: Sweden
Garage View Garage

Posted June 04, 2016 - 12:19 PM


Created my own battery because I was tired of the OEM crap. I also didn't like other li-ion packs available on the market so I just made my own. This pack is actually 2 indepent batteries packaged as one. So if one dies on the trail all I have to do is switch the quick disconnects and I have a new battery. Ignore the small wires....those are the balance charging leads that I didn't have plugs on yet at the time of the picture. The cranking different between this is stock is very different; with the OEM battery being much more sluggish. Rightfully so since this is double the cranking amps lol. Unfortunately I couldn't easily find small quantities of black shrink tube so I had to settle for green. I didn't quite need 1000 yards of black tubing. I really could have just made a single 4 cell battery that was 1/3 of the size and still had plenty of cranking amps for my WR450. But I wanted a backup battery option.

OEM Specs:
130CCA & 6.3 Ah

This battery:
8 cell 240CCA & 5.0Ah primary......4 cell 120CCA & 2.5Ah spare. It's around 1.75 lbs, but I haven't measured it yet.


F-ing awesome, i wonder how much power you can put under the seat, my heated grips and led lights drains my battery

  • Agazza

    TT Bronze Member

124 posts
Location: Sweden
Garage View Garage

Posted June 04, 2016 - 12:21 PM


I did the Swizz cheese mod and the 79 cent clutch fix and lubed the clutch wire.

Now it's like &%$#@!ing butter - smooth

  • GASKICKER

    TT Bronze Member

154 posts
Location: Utah

Posted June 04, 2016 - 12:42 PM


Created my own battery because I was tired of the OEM crap. I also didn't like other li-ion packs available on the market so I just made my own. This pack is actually 2 indepent batteries packaged as one. So if one dies on the trail all I have to do is switch the quick disconnects and I have a new battery. Ignore the small wires....those are the balance charging leads that I didn't have plugs on yet at the time of the picture. The cranking different between this is stock is very different; with the OEM battery being much more sluggish. Rightfully so since this is double the cranking amps lol. Unfortunately I couldn't easily find small quantities of black shrink tube so I had to settle for green. I didn't quite need 1000 yards of black tubing. I really could have just made a single 4 cell battery that was 1/3 of the size and still had plenty of cranking amps for my WR450. But I wanted a backup battery option.

 

OEM Specs:

130CCA & 6.3 Ah

 

This battery:

8 cell 240CCA & 5.0Ah primary......4 cell 120CCA & 2.5Ah spare. It's around 1.75 lbs, but I haven't measured it yet.

Will you provide some more details about this, maybe a DIY or some sort of instructions? 



  • Borgschulze

    TT Bronze Member

454 posts
Location: Ontario
Garage View Garage

Posted June 05, 2016 - 08:08 AM


Installed a Leo Vince exhaust, was cheaper than an FMF slip-on... yay for clearout deals.

 

13332766_10154000350020743_4990285054121



  • RockerYZWR
1,396 posts
Location: Florida
Garage View Garage

Posted June 05, 2016 - 05:54 PM


That muffler goes on forever!
Leo Vince is high quality stuff though.

  • Borgschulze

    TT Bronze Member

454 posts
Location: Ontario
Garage View Garage

Posted June 06, 2016 - 02:09 PM


It's not as loud as the stock pipe with the baffle removed... doesn't bother me that it's long.



  • ufgator55

    TT Newbie

14 posts
Location: Michigan

Posted June 07, 2016 - 05:05 PM


I ordered a set of warp 9 cush drive SM wheels with tires. And put a new map on it. One I got from this website. I have another I'm going to try this weekend that Pastrana used when they tested the bike. I'm like a kid waiting, staring at the Christmas gifts under the tree gitty waiting for my wheels to get here!! Lol I'll post pics when then get here

  • MXJunky

    TT Titanium Member

2,222 posts
Location: Washington

Posted June 07, 2016 - 07:12 PM


MXJunky removed the manufacturer warning/specification stickers, pushed the bars forward to +1 and verified that the sag was within spec.

Attached Thumbnails

  • 20160605_122045.jpg


  • surfez

    TT Member

33 posts
Location: New Zealand
Garage View Garage

Posted June 09, 2016 - 11:11 AM


Muffler project.

 

Wanting to let the engine breath more, make muffler shorter get performance gain like gytr pro circuit design.

 

Removed 100mm in length.

 

Removed all baffle tubes and plates and replaced with one piece.

 

Basically googled YZ450 muffler and copied the design

 

Cost $45 for exhaust packing and muffler tube, plus getting a friend to alloy weld the case up again.

 

The tip or tail pipe, I cut off the after market $60 "Yamaha upgrade insert" I used the largest internal tube from inside the muffler and after my first ride it was way to loud. Other riders moved over way before I got behind them... Way to loud!

 

I then rolled a perforated sheet from the standard muffler into a cone shape riveted it together, fitted it up into end plat facing forward up inside the baffle tube point end first and got the muffler noise level just right! Power is perfect. 

 

I have GYTR jets fitted as come with the bike from new, standard header pipe. This muffler modification defiantly gives you more response through the rev range.

 

You can control the noise level by making your own end plate inserts. I wouldn't spend money on $600 systems now I am that pleased with the results.  

 

I have attached the YZ450 picture and someones wr450 muffler as a guide. 

Attached Thumbnails

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  • layout2.jpg
  • YZ450 MUFFLER.jpg
  • P3310982.jpg

Edited by surfez, June 09, 2016 - 11:13 AM.


  • Agazza

    TT Bronze Member

124 posts
Location: Sweden
Garage View Garage

Posted June 10, 2016 - 04:31 AM


I got a entire complete yz system for 70 bucks, awaiting delivery

  • surfez

    TT Member

33 posts
Location: New Zealand
Garage View Garage

Posted June 12, 2016 - 11:07 PM


I got a entire complete yz system for 70 bucks, awaiting delivery

Good score, I couldn't find anything in NZ second hand, looked for a few months. Only option was $450 for GYTR system used. My bike was bought dec 2015 as a "new bike" 09 (first owner) so I wanted to use the exhaust & keep it looking new and not to loud. That said, the exhaust is the first part to look old after a few rides, YZ Muffler would be nice, be good to know how you go with noise? I had a yz250f muffler on my 03 wr250f it was extremely loud (louder than my ktm350sx with a full race pipe).


Edited by surfez, June 12, 2016 - 11:18 PM.


  • Agazza

    TT Bronze Member

124 posts
Location: Sweden
Garage View Garage

Posted June 13, 2016 - 02:02 PM


Good score, I couldn't find anything in NZ second hand, looked for a few months. Only option was $450 for GYTR system used. My bike was bought dec 2015 as a "new bike" 09 (first owner) so I wanted to use the exhaust & keep it looking new and not to loud. That said, the exhaust is the first part to look old after a few rides, YZ Muffler would be nice, be good to know how you go with noise? I had a yz250f muffler on my 03 wr250f it was extremely loud (louder than my ktm350sx with a full race pipe).


Check the other thread I just bumped regarding exhausts, I'm going to try to put together a quiet frankenpipe

  • Mr YumYums

    TT Member

56 posts
Location: Ohio
Garage View Garage

Posted June 19, 2016 - 09:41 AM


Does anyone know what the ais removal kit from Yamaha looks like? I don't want to buy the gytr since it is a little expensive and I'm not doing the throttle stop or grey wire mod.

  • Ano25

    TT Newbie

15 posts
Location: United Kingdom

Posted June 27, 2016 - 09:28 AM


Put on a trials tyre and took it to the garage to get put on the dyno and sort out jetting

Edited by Ano25, June 27, 2016 - 10:20 AM.


  • PacoPaez

    TT Bronze Member

160 posts
Location: California
Garage View Garage

Posted June 30, 2016 - 01:34 PM


Does anyone know what the ais removal kit from Yamaha looks like? I don't want to buy the gytr since it is a little expensive and I'm not doing the throttle stop or grey wire mod.

if you need more info holler

  • PacoPaez

    TT Bronze Member

160 posts
Location: California
Garage View Garage

Posted June 30, 2016 - 01:40 PM


Does anyone know what the ais removal kit from Yamaha looks like? I don't want to buy the gytr since it is a little expensive and I'm not doing the throttle stop or grey wire mod.

if you need more info holler

Attached Thumbnails

  • 1467322714527-1216103431.jpg


  • PacoPaez

    TT Bronze Member

160 posts
Location: California
Garage View Garage

Posted June 30, 2016 - 01:41 PM


if you need more info holler



  • PacoPaez

    TT Bronze Member

160 posts
Location: California
Garage View Garage

Posted June 30, 2016 - 01:43 PM


if you need more info holler

Attached Thumbnails

  • 1467322939483-145438825.jpg






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