New 2017 YFZ450R Build - Yamaha YFZ450 Forum : YFZ450, YFZ450R, YFZ450X Forums
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post #1 of 104 (permalink) Old 02-24-2018, 08:10 AM Thread Starter
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New 2017 YFZ450R Build

Hey guys, I've been racing for a number of years but always with the older carb model bikes. I finally went out and bought a new 2017 YFZ450R, deciding it was time to upgrade to the EFI.

I want to start building it up for XC racing but was curious what everyone thought of the most essential mods to begin with? I already bought a Fuel Customs intake and next on the list is a full FMF exhaust, Houser Pro Bounce nerf bars and some kind of tuner but not sure what to get. There's a great shop locally here in Miami that I am going to send it to so they can tune it.

From there I'll need to look at what to get for long travel suspension and shorter a-arms/axle and small stuff like handlebars, graphics, skid plates, etc. I had good luck with the ARS-FX a-arms so I might stick with those. Anything else I should look into getting?
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post #2 of 104 (permalink) Old 02-24-2018, 08:52 AM
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Vortex tuner for sure!
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post #3 of 104 (permalink) Old 02-24-2018, 08:59 AM Thread Starter
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Also, anything I can keep from the old carb bike?

2017 YFZ450R XC Setup - O誰eal Racing, Leatt, 4Arm Strong, Engine Ice, ASV Inventions, Ryno Power, ODI Grips, AMSOIL, Sunstar Engineering, Braking, Acerbis Plastics, Kenda Tires, SCOTT

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post #4 of 104 (permalink) Old 02-28-2018, 02:26 PM Thread Starter
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Bumper, wheels and tires, tuner, exhaust, grab bar, skid plate, AIS block-off, 38 motorsports breather, hand guards and kill switch are delivered and ready to go on.

Just ordered a full long travel setup from a friend. Fox Floats in front with Houser XC long travel, Fox Podium rear, Precision Elite stabilizer, Houser XC Pro Bounce Nerfs, Lonestar axle and stainless lines and clamps. Can't wait to get this on and running.
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2017 YFZ450R XC Setup - O誰eal Racing, Leatt, 4Arm Strong, Engine Ice, ASV Inventions, Ryno Power, ODI Grips, AMSOIL, Sunstar Engineering, Braking, Acerbis Plastics, Kenda Tires, SCOTT

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post #5 of 104 (permalink) Old 02-28-2018, 04:43 PM
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Precision shock&vibe clamps or flexx bars. Skid plates. 08yz450f intake cam. Different bumper and rear grab bar that give you more leverage for pulling your quad out of mud.
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Ride it like your health insurance deductible has been met!
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post #6 of 104 (permalink) Old 02-28-2018, 06:31 PM
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Wow you dropped a ton of money real quick on thos thing

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post #7 of 104 (permalink) Old 02-28-2018, 09:22 PM Thread Starter
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I have skids. I致e never been able to try either the precision clamp or Flexx bars so still trying to figure out the best route there. What advantages does the intake cams have?

I did drop a lot but I致e been saving awhile too. You don稚 do well in races on a stock machine and you get better discounts buying everything together.

2017 YFZ450R XC Setup - O誰eal Racing, Leatt, 4Arm Strong, Engine Ice, ASV Inventions, Ryno Power, ODI Grips, AMSOIL, Sunstar Engineering, Braking, Acerbis Plastics, Kenda Tires, SCOTT

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post #8 of 104 (permalink) Old 03-01-2018, 05:10 PM
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The stock yfz cam is bad. The 08 dirtbike cam gives more bottom-mid. The 08 quad cam gives more mid-top. If you're doing xc, get the dirtbike cam. I pretty much keep the bike in 2-3 gear and can smoothly torque it through tight xc tracks and conserve energy instead of revving it for more power like with the stock cam. I'm a fan of precision clamps because you can change the bars to your preference. Flexx bars are a 250$ investment and if you don't like the bend, you're stuck.

Ride it like your health insurance deductible has been met!
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post #9 of 104 (permalink) Old 04-03-2018, 10:24 AM Thread Starter
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Well I finally have everything installed, pics below. Updates that I can remember include FMF 4.1 exhaust, FCI Intake, PC5 tuner (with Performance ATV tuning), AntiGravitiy 8 cell battery, Houser drop grab bar, Houser Pro Bounce Nerfs, Houser +1 stem with Precision clamps, Houser XC LT A-arms, Fox Floats front and Fox Podium Rear, Precision Elite Stabilizer, Lonestar axle, Alba bumper, SSI graphics, Goldspeed Wheels with STI Tech 4 XC Tires, GT Thunder poly brake guard, Teixeira Tech sprocket guard, BCC Skids poly body skid, 38 Motorsports oil breather, TM Designs Case Saver, Streamline brake lines and clamps, Neutron seat cover, PEP EZ-Pull clutch arm, Boyd Designs protective grip stickers, AIS delete, Honda TRX90 throttle

Mods coming: CV4 radiator hoses and Engine Ice, TM Designworks magnetic drain plugs, Intake cam (still deciding whether to do the quad or dirtbike cam), retuning for cam

Not the greatest pictures but I will take some more soon.
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2017 YFZ450R XC Setup - O誰eal Racing, Leatt, 4Arm Strong, Engine Ice, ASV Inventions, Ryno Power, ODI Grips, AMSOIL, Sunstar Engineering, Braking, Acerbis Plastics, Kenda Tires, SCOTT

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post #10 of 104 (permalink) Old 04-03-2018, 06:49 PM Thread Starter
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More pics.
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2017 YFZ450R XC Setup - O誰eal Racing, Leatt, 4Arm Strong, Engine Ice, ASV Inventions, Ryno Power, ODI Grips, AMSOIL, Sunstar Engineering, Braking, Acerbis Plastics, Kenda Tires, SCOTT

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post #11 of 104 (permalink) Old 04-29-2018, 08:45 AM Thread Starter
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Bumped a tree which tweaked the super light Alba bumper so I decided to upgrade to the RJR bumper. Talk about a difference!
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2017 YFZ450R XC Setup - O誰eal Racing, Leatt, 4Arm Strong, Engine Ice, ASV Inventions, Ryno Power, ODI Grips, AMSOIL, Sunstar Engineering, Braking, Acerbis Plastics, Kenda Tires, SCOTT

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post #12 of 104 (permalink) Old 05-19-2018, 05:41 PM Thread Starter
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Upgraded to an IMS tank and added the BCC skids roost guard.
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2017 YFZ450R XC Setup - O誰eal Racing, Leatt, 4Arm Strong, Engine Ice, ASV Inventions, Ryno Power, ODI Grips, AMSOIL, Sunstar Engineering, Braking, Acerbis Plastics, Kenda Tires, SCOTT

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post #13 of 104 (permalink) Old 06-19-2018, 09:19 AM Thread Starter
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Finally figured out how to add some actual quality images instead of the crappy images uploaded to the forum. Hoping to get out to the track this weekend




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2017 YFZ450R XC Setup - O誰eal Racing, Leatt, 4Arm Strong, Engine Ice, ASV Inventions, Ryno Power, ODI Grips, AMSOIL, Sunstar Engineering, Braking, Acerbis Plastics, Kenda Tires, SCOTT

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post #14 of 104 (permalink) Old 06-19-2018, 01:29 PM
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Looking good

2016 YFZ450R - Curtis sparks pipe, FCI w/box, Vortex,Rath signature series nerfs and bumper,hiper tech 3 dual rear beadlocks/non beadlocks fronts,razr mx rears/cross fronts,ASV levers,white cv4 radiator hoses,13 cable holder for ais delete,acerbis handguards,alba parking brake block off
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post #15 of 104 (permalink) Old 07-25-2018, 03:07 PM Thread Starter
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Finally got out to the track to get some laps in!


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2017 YFZ450R XC Setup - O誰eal Racing, Leatt, 4Arm Strong, Engine Ice, ASV Inventions, Ryno Power, ODI Grips, AMSOIL, Sunstar Engineering, Braking, Acerbis Plastics, Kenda Tires, SCOTT

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post #16 of 104 (permalink) Old 07-25-2018, 08:05 PM
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Where did you get the Houser Pro Bohnce XC version nerf bars? I can only find a couple places that still have the XC version. Quad looks amazing BTW.
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post #17 of 104 (permalink) Old 07-26-2018, 08:53 AM Thread Starter
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Thank you! I ordered them originally through ATV Galaxy but then they told me after a couple days they couldn't get a set. I ended up getting them through Motosport but that was back in February. Are you interested in a set? I'm thinking I might actually switch to just the heal guards. I can take off the nerf bars portion and just cut off the stub from the peg, but would rather trade with someone so they get some actual use.

2017 YFZ450R XC Setup - O誰eal Racing, Leatt, 4Arm Strong, Engine Ice, ASV Inventions, Ryno Power, ODI Grips, AMSOIL, Sunstar Engineering, Braking, Acerbis Plastics, Kenda Tires, SCOTT

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post #18 of 104 (permalink) Old 08-01-2018, 11:32 AM Thread Starter
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Well, rolled the quad on track this weekend when my front brakes locked up so looks like new parts are in order. ASV levers, ODI grips and handlebars and some new bolts for the Precision clamps. Also decided it was time to add on a Rekluse so that is on the way thanks to Ken at KB!

2017 YFZ450R XC Setup - O誰eal Racing, Leatt, 4Arm Strong, Engine Ice, ASV Inventions, Ryno Power, ODI Grips, AMSOIL, Sunstar Engineering, Braking, Acerbis Plastics, Kenda Tires, SCOTT

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post #19 of 104 (permalink) Old 08-10-2018, 03:55 PM Thread Starter
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Got the bars, grips and levers on, love these things!!





Rekluse is just sitting at the moment waiting to be installed. I have a dyno tune on Tuesday and don't have time to break it in so will install after the tune.

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2017 YFZ450R XC Setup - O誰eal Racing, Leatt, 4Arm Strong, Engine Ice, ASV Inventions, Ryno Power, ODI Grips, AMSOIL, Sunstar Engineering, Braking, Acerbis Plastics, Kenda Tires, SCOTT

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post #20 of 104 (permalink) Old 08-10-2018, 05:06 PM
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Quote:
Originally Posted by SilsbySilverado103 View Post
Got the bars, grips and levers on, love these things!!





Rekluse is just sitting at the moment waiting to be installed. I have a dyno tune on Tuesday and don't have time to break it in so will install after the tune.

TLD were my favorite grip 2nd to the oury. Had a few sets of them.

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