Superbike Unlimited 2012 WR450 Supermoto Build - Yamaha R1 Forum: YZF-R1 Forums
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post #1 of 49 (permalink) Old 07-10-2014, 08:29 AM Thread Starter
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Superbike Unlimited 2012 WR450 Supermoto Build

Not long ago we began discussing that we had access to a lot of really cool SM parts. Shortly thereafter it was decided we should build a cool Yamaha SM. Here's some info on the build, hope you guys enjoy it.

So we started with a 2012 fuel injected WR450 and got to work - unfortunately, we didn't document much at first with photos, which doesn't make for an exciting build thread. For illustration purposes, here's an OEM 2012 WR450.



I think it's a great looking bike from the factory. I love the lines and styling.

First, we wanted to focus on improving the handling of the bike and enhancing the power output that Yamaha has hidden from the factory. So this means a full exhaust, full Ohlins TTX shock/cartridges and the GYTR ECU and programmer. We also got the CO tool, this helps richen the mixture at startup and low TPS inputs.



We also picked up an Acerbis Evo fender and a CP high compression piston. Not sure if we'll going that route or big bore yet. I love the programmer. It's relatively basic, but allows a wide range of fuel and timing adjustments.




To get some weight off of the bike, we ordered an Alien Motion 4 cell battery as well as Driven sprocket set in supermoto gearing (more on the way) and a new chain.


The battery knocked a whopping 4lbs off of the bike. Not bad!

Next, we wanted to mock up the wheels from J's 426 while I'm waiting on our brand new Excel/G2 wheels.

It's starting to look the part!



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post #2 of 49 (permalink) Old 07-10-2014, 08:31 AM Thread Starter
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Got the Excel wheels in and mounted, along with some new rubber. I also scored a Brembo 16x18 master, Braking caliper and 320mm rotor. The bike is starting to feel pretty good now. Cams and big bore are on order.



Web cams are in, Max Power cylinder is done, just waiting on the CP piston to begin the engine build.

In the meantime, here are some shots of the brakes the way they sit. The rotor is temporary, to be replaced by a BrakeTech unit as soon as they are available. A Spiegler line was installed as well, with a pressure switch banjo for a functioning brake light. We also have some awesome billet triples on the way, by RSW Racing - 13mm offset.








We also pulled the aluminum skid plate off and removed some of the unnecessary brackets and hardware associated with the OEM speedometer cable. That dropped around 2.5lbs.

Next, we'll be shortening the forks, shock and revalving. Should be pretty awesome to ride here in about 2 weeks.


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Last edited by SBK Unlimited; 07-10-2017 at 10:02 AM.
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post #3 of 49 (permalink) Old 07-10-2014, 08:32 AM Thread Starter
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The last of our engine parts arrived, as well as the new bars we ordered to replace the Flexx bars. Unfortunately, we need new Cycra mounts and have to bore the ID of the bars to 9/16 to accept standard inserts. We also removed the Rekluse clutch that came in the bike and reinstalled an OEM clutch. We're considering a Yoyodyne slipper clutch, but in the mean time the bike spins up much faster with the lighter, OEM clutch installed.

Here's the wrapped up new cylinder, piston and some gaskets.


The cams, piston, etc


After this, we'll take it down to the dyno to get a safe tune done and try out some different timing values. Hopefully we put out a respectable number.


Last update for today, Ron from RSW contacted us and let us know our 13mm triples are done and on the way! After the engine build, triples and slightly revised suspension, this bike is going to be a serious supermoto. From there it's just waiting on our rotor from BrakeTech. I'm in the process of getting the bike properly skinned as well.

Engine is torn down and ready to get put together. Here are some shots of the process:






















We also equipped the bikes with some DRC Supermoto Footpegs - they are taller and shorter than the originals and with a plastic replaceable slider. I'll get some shots of these next.


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Last edited by SBK Unlimited; 07-10-2017 at 10:18 AM.
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post #4 of 49 (permalink) Old 07-10-2014, 08:40 AM
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I totally love the fact that you guys rock Yamaha's...I've always been a loyal yamaha fan.


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post #5 of 49 (permalink) Old 07-10-2014, 08:44 AM Thread Starter
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Next, we got our ASV clutch perch/F3 lever system, which I really dig.







Installed:






The bike is all buttoned up and riding now. We've got a base tune in it until we put it on the dyno and the new setup is a world of difference over the old one. Much more power throughout, especially in the midrange and much improved handling with the new triples. Next we'll be shortening the suspension a bit and installing some good rubber.


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post #6 of 49 (permalink) Old 07-10-2014, 08:51 AM Thread Starter
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Originally Posted by AHB537 View Post
I totally love the fact that you guys rock Yamaha's...I've always been a loyal yamaha fan.
They definitely make a good motorcycle. The WR has a reputation for being bullet proof and the FI and tuning tools just make it that much sweeter. It's definitely a little slow in stock trim, but the bike has come alive with the work we've done to it. We might even do a race or two on it.


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post #7 of 49 (permalink) Old 07-10-2014, 10:43 AM
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badass build


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post #8 of 49 (permalink) Old 07-14-2014, 08:31 AM
R1 it's Legendary...like MOTO
 
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Originally Posted by SBK Unlimited View Post
They definitely make a good motorcycle. The WR has a reputation for being bullet proof and the FI and tuning tools just make it that much sweeter. It's definitely a little slow in stock trim, but the bike has come alive with the work we've done to it. We might even do a race or two on it.

Oh bro for sure man, definitely keep posting more moto-porn.


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post #9 of 49 (permalink) Old 07-15-2014, 05:03 PM Thread Starter
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Small update for the WR, got some real rubber in!






We're now on the lookout for a WERA-legal catch pan for the bike as well as a damper so we can try entering it in a few events.

Onto the pics!







Controls


Triples


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post #10 of 49 (permalink) Old 07-15-2014, 05:20 PM
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Very nice. What kinda power do you guys figure it's putting down now???


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post #11 of 49 (permalink) Old 07-15-2014, 05:35 PM
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post #12 of 49 (permalink) Old 07-17-2014, 06:31 AM Thread Starter
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Very nice. What kinda power do you guys figure it's putting down now???
Hard to say, we're aiming for 55-60hp on pump, up to 61-65 on race fuel. We'll likely have it on the dyno next week.


Race rubber is mounted and we installed some Vesrah RJL pads - Now pretty much all we're waiting for is the iron rotor to arrive.



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post #13 of 49 (permalink) Old 07-18-2014, 09:51 AM
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Looks awesome so far!

I've been in the middle of building up my Husky 510SMR (first ride this morning, in fact) and for the life of me, I cannot understand how more people don't ride sumo.

And part of me wishes I started with a Yammie......parts for the Husky are hard to run across!


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post #14 of 49 (permalink) Old 07-18-2014, 10:22 AM
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Nice build, I miss my '07 YZ450f SuMo!





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post #15 of 49 (permalink) Old 07-21-2014, 12:59 AM
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Originally Posted by SBK Unlimited View Post

The bike is all buttoned up and riding now. We've got a base tune in it until we put it on the dyno and the new setup is a world of difference over the old one. Much more power throughout, especially in the midrange and much improved handling with the new triples. Next we'll be shortening the suspension a bit and installing some good rubber.
great shots, nice upgrades...

i can tell you the ASV clutch is wicked... i absolutely love it on the R1, such a beautiful piece of kit

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DJ PCV, AT200 & POD300, LV EVOII SBK/ARROW SS HEADER, GRAVES STACKS & AIS remove, GYTR air, ECUnleashed, SHORAI, YOYODYNE sc
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grips, APEX risers, CRG Arrows GYTR, SHOGUN sliders, GBR covers, GYTR db, Watsens, 6000k HID, RACETECH springs, RACETECH G3-LD, OHLINs FPK
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post #16 of 49 (permalink) Old 07-21-2014, 03:35 AM
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The last of our engine parts arrived, as well as the new bars we ordered to replace the Flexx bars. Unfortunately, we need new Cycra mounts and have to bore the ID of the bars to 9/16 to accept standard inserts.
Just noticed this...

When I had my YZ450, I was running a ProTaper Woods High bar with Triple Tree mounts, never had to worry about boring out the bars.





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post #17 of 49 (permalink) Old 07-21-2014, 04:58 AM Thread Starter
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Just noticed this...

When I had my YZ450, I was running a ProTaper Woods High bar with Triple Tree mounts, never had to worry about boring out the bars.
We switched to the bars above for that reason. The others do look bad ass though, we may try mounting them again soon.


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post #18 of 49 (permalink) Old 10-01-2014, 09:39 AM
♠♣♦♥
 
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Any more updates on this build ?? I'm selling my RSV4 and will be building a 2014 WR250R into a full sumo, no more street riding sportbikes for me.
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post #19 of 49 (permalink) Old 10-01-2014, 10:08 AM Thread Starter
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Nothing too major. We shortened the suspension 20mm and revalved for road racing.

Swapped out this:

For this (Braketech 320x6mm ductile iron floater):


It's done for the most part. We thought about going full 520cc 70hp stroker, but we'll try racing the bike first as is.

We also got some number plates for the bike and we may have Freddy run the bike at the GNF at Barber, alongside the SBU R1.


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post #20 of 49 (permalink) Old 10-01-2014, 09:11 PM
My R1 flys
 
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Awesome build. Can you give us an idea of how much was spent on all the parts ?
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