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When installing castor brackets kits on the 450 - the upper a arms bolts and pivot sleeves need to be modified to fit. This is something we do for you at no charge when buying one of our a arm kits.

Rear Suspension:

Our rear linkages are covered under patent #7357404

The rear suspension linkage has a very high progression ratio which causes harshness toward the bottom of the stroke. Our Econo link with take some of the progression out and is an excellent link for MX racing due to the smaller tires and the different needs for MX - it is also an excellent link for the trail rider who just wants to lower the quad and soften it. 

For the series racer we offer the Pro Dual Link that give an even greater progression change then we can achieve with one link and also offers a better leverage ratio. This link however requires a shorter shock then stock.

YFZ450R/X 2009 - 2014 (Fuel Injected)

Dual Sprocket Guards

$124.95

See Hess Motorsports and other Authorized Dealers near you  

Outer Sprocket Guard

$59.95

See Hess Motorsports and other Authorized Dealers near you

Rotor Guard (Poly)

$49.95

06-119

See Snure Interlocking and other Authorized Dealers near you

Upper A-Arm Kit With Castor Bracket - MX

09-023.....$450.00

Quad Kinetix LLC 

Upper A-Arm Kit With Castor Bracket - XC

09-024 .....$450.00

Quad Kinetix LLC

 

Chassis Skid Blank

GT-YBSR/X.....$25.00

See Snure Interlocking and other Authorized Dealers near you 

Idle Speed Adjuster

#10-301......$79.95

More Info

See Snure Interlocking and other Authorized Dealers near you

 

Swingarm Skid

#06-135........$59.95

See Snure Interlocking and other Authorized Dealers near you 

Steel Rotor Guard

#06-115S....$59.95

 See Snure Interlocking and other Authorized Dealers near you

Intake Cam

#09-302.......$180.00

 

MX Link

#09-009.........$175.00

See Hess Motorsports and other Authorized Dealers near you

Radiator Guards

#09-015........$79.95

 

Rekluse EXP

REK-Y09....$459.95

More Info

 

XC Link

09-011.......$175.00

See Hess Motorsports and other Authorized Dealers near you

Upper Ball Joint

06-129........$29.95

See Snyder Motorsports and other Authorized Dealers near you

     
     
     

ECU

 

Foot pegs......................................................................#09-201.......................................$99.95

These have the gripper teeth and are lowered 1/2 inch from stock but still offer excellent ground clearance.

MORE INFO

See Snure Interlocking and other Authorized Dealers near you

 

Suspension

See BNR Motorsports  and Maul Tech ATV for Suspension Service and Parts

Rear Shock Conversion (Basic).........................................................................................$395.00

Includes: Revalve, Respring, and Econo Link.

Rear Shock Conversion (Pro).............................................................................................$595.00

Includes: Revalve, Respring, Pro Dual Link, and a new high flow piston.

HLS Pro front shocks..........................................................................................................$895.00

Front Stock Shock Conversion...........................................................................................$495.00

Front Dual Rate Spring Kit for Stock Shocks...................................................................$325.00

XC A arms - including the castor bracket.........................................................................$895.00

Core Charge for Upper A arm bolts and sleeves..............................................................$40.00

MX A arms.........................................................................................................................$895.00

170mm Econo Link.....................Part#09-009.................................................................$175.00

This is the front link - it is an excellent add on for the guy who wants to lower his quad and soften the rear shock with out spending a lot of money. 

Pro Dual Link.......................................................................................................................$375.00

This is a dual link and requires a different length shock but offers a better progression and leverage ratio curve vs. the Econo link. If we do your rear shock conversion - we modify your rear shock to accept this link. Please note: This link will not work with a stock rear shock that has not been modified by us. It will only be sold to existing customers who already have our shock conversion or as part of one of our shock conversions.

Engine

Piston Kit...............................................................................................................................$235.00

This is a custom made piston from Wiseco that gives good combustion action without having a high compression ratio - it runs much cooler then many of the high compression pistons available for the quad. It is the same piston that the Yamaha's Factory riders were using in 2010 these riders included  Thomas Brown, Bill Ballance, Donnie Ockerman, and Brandon Sommers, Taylor Kiser, and Walker Fowler. This Piston is available in both 95 and 96mm.

Camshafts..............................................................................................................................$425.00

These cams have the most average power of any cams I have tested. If you racing on the dyno only - dont buy these - they do not have as much peak power as a few others.

Power Commander (basic)...................................................................................................$349.95

This comes with a custom modified fuel curve for racing. This comes programmed for your quad. I need to know what exhaust, with or without air box lid, what cams, what piston, what type of riding, what altitude, and what fuel you are running.

 

Engine packages:

XC Basic - Includes Intake cam, porting, gaskets, piston, and rings...............................$995.00

XC Pro - Includes Cams, porting, gaskets, piston, rings, top end labor, and cylinder machining. Note: This is only sold as a kit and must be used with a PE3 ECU .........................................$1995.00

MX Basic - Includes cams, porting, piston, rings, top end gaskets, top end labor, and cylinder machining. Note: This is only sold as a kit and must be run with a PE3 ECU ..................$3500.00

MX Pro - Includes Cams, porting, larger valves, piston, rings, cylinder machining, valve springs, gaskets, custom gear treatment, piston and head ceramic coatings, and top end labor. Note: This is only sold as a kit and must be run with a PE3 ECU..............................................................................$5350.00

Carb Conversion Kit - What you need to supply to me - 08 Carb, 2010 top engine mount, 08 wire harness, 2010 wire harness, 2010 flywheel, 08 Fan sensor (goes in radiator), and a 08 coil. What I give you - Modified harness, modified carb, modified engine mount, Dyna CDI, modified flywheel, radiator sensor adapter, fuel pump block off plate, other parts you will need - 08 fuel petcock for fuel tank, 08 Throtle cable, and an 08 intake boot............................................................................$1500.00