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 DRI BUYERS GUIDE - YAMAHA YFZ 450 |
| Prices subject to change without notice |
Buyers Guide Shortcut Links
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Easy Installation · Unlimited Tech Support · Excellent Start Up Performance Mods.
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| #BK4-3450 |
$730.00 |
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·INCLUDES: Complete Fat Boy 4 Exhaust System (with STD Muffler), Jet Kit, Pro Flow Air Cleaner Kit (Pro Flow flange, K&N, Outerwear)
·PERFORMANCE GAIN: 5+HP
·INSTALLATION: 1-2 hours
Stage 1 Power Kits are designed to work with most DRI engine kits. |
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| To purchase the Stage 1 Kit click here |
S-1 Bolt-On Kit |
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·INCLUDES: S-1 Bolt on Kit , Complete Fat Boy 4 Exhaust System (with STD Muffler), Jet Kit, Pro Flow Air Cleaner Kit (Pro Flow flange, K&N, Outerwear), Vortex X10 CDI, DRI Graphics & Seat Cover Kit
·PERFORMANCE GAIN: 6 HP+
·INSTALLATION: 3-5 Hours
*Choice of Graphic and Seat cover color where applicable. |
S-2 Bolt-On Kit
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| To purchase the Stage 2 Kit click here |
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·NOTES:
Kit
Price is plus any OEM parts.
Customer must send in to DRI their; Cylinder,
Head, Camshaft for modification. (or purchase new cores)
*Cylinder Head is returned assembled and ready to install.
*DRI recommends using big valves in all YFZ kits. The above mentioned kit uses plus 1 mm oversized intake and exhaust valves. After cylinder head porting, valve seats are cut with DRI's SERDI machine making oversized valves work very efficiently.
SPECIAL NOTES:
Special Note #1-DRI highly recommends using an '06-'09 crankshaft with all engine kits. "06-'07 crankshafts will bolt into '04-'05 models. '06-'09 crankshafts offer considerably more reliability to the YFZ engine. Call for additional details.
Special Note #2-DRI strongly recommends using the '07 Oiler Upgrade Kit ON ALL '04-'06 Yamaha YFZ 450 motors. Especially modified engines. |
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·All Fat Boy 4 Exhaust Systems with FREE jet kit included with instruction packet
·Made in USA · Professionally Designed and Developed to offer Maximum Performance · Stainless Steel Header and Tail pipes · CNC Stainless Steel Header Flanges · CNC Machined Front and Rear End Caps · Stainless Steel Muffler Core-Rebuildable · Repackable-Limited Lifetime Warranty |
FAT BOY 4 Complete Stainless Exhaust System
(with Standard Muffler) |
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| #FB4-EY3450 |
$599.00 |
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| To purchase the Fat Boy 4 System click here |
Fat Boy 4 Exhaust System |
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| FAT BOY 4 HQ Complete Stainless Exhaust System |
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| (with HQ Muffler) |
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| #FB4-EY3450-HQ |
$649.00 |
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| Features: 30% larger volume, redesigned packing and core. Reduces sound output by
3-4 db. |
To purchase the Fat Boy 4 HQ System click here
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Fat Boy 4 with Custom Color Option Blue |
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| Optional Accessories |
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| #FB4-4A250 |
$39.95 |
Turndown (bolts on with o-ring) |
| #06-554 |
$17.95 |
Spark Arrestor
(requires turndown) |
1.Turndown bolts on rear end cap, with o-ring seal.
2.To use spark arrestor turn down is required.
*Rejetting is required, with installation of all Fat Boy 4 exhausts. |
Fat Boy 4 w/turndown |
| QP-2 Quiet Tip ** Available in silver only |
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| #FB4-QP-2 |
$129.95 |
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·Bolts on rear end cap of Fat Boy · Lowers DB readings a minimum of 2-3 dbs · Forestry approved when used with screen.
* Note: Some rejetting may be required. |
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| To purchase the QP-2 Quiet Tip click here |
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Fat Boy 4 with QP-2 |
| To purchase Fat Boy 4 Accessories click here |
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| To purchase Fat Boy 4 Replacement Parts click here |
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QP 2 with screen |
| Custom Colored FAT BOY 4 Mufflers * at additional cost |
Custom anodized color components (muffler, end cap & turndown) are at an additional cost to the base price for the Fat Boy 4 and the components (Turn down & End cap).
*Available by special order only
**Lead time can be 1-2 weeks
Fat Boy 4 mufflers are available in a Black, Red or Blue anodized finish.
Muffler bodies, rear end caps or turndowns are available colored individually or as a complete package.
*DRI cannot guarantee colored anodized mufflers will not fade over time.
**Custom Color prices are in addition to the regular Fat Boy 4 price Example:
YFZ450 Fat Boy 4 Complete Exhaust System- $599.00
Custom Colored Muffler and Endcap + $114.90
Total cost with color option = $713.90
| Purchase Options : |
Additional cost of anodizing |
| #FB4-A3PCO |
$129.95 |
3-piece package; Muffler, End Cap and Turndown |
| #FB4-A1ECO |
$24.95 |
End Cap ONLY |
| #FB4-A1TDO |
$24.95 |
Turndown ONLY |
| #FB4-A1MFO |
$89.95 |
Muffler ONLY |
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Custom Blue |
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Custom Colored End Caps |
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Custom Colored Mufflers |
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Custom Colored Turndown
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| YFZ OEM '07 Oiler Upgrade Kit |
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| #DR-15431-07 |
$429.00 |
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Upgrades ’04-’06 model YFZ’s oiling system to ’07. Upgraded squirter helps lubricate piston, wrist pin and rod for increased reliability.
Recommended for all applications with stock or modified engines.
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YFZ450 Oiler Upgrade Kit |
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| Kit includes: all necessary parts to install on running engine, including clutch cover, oil pump and nozzle. |
| Kit Requires Re-Use of: water pump, impeller, water pump bearing, water pump washer, water pump shaft, water pump cover |
Squirter |
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| To purchase the Oiler Upgrade Kit click here |
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Squirter Installed |
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JE Forged Piston Kits |
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| #247957 |
STD |
12.5-1 |
$225.00 |
| #274209 |
STD |
13.5-1 |
$225.00 |
| See chart in JE Piston section for part numbers |
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JE Piston |
| New Crankshaft with Knife Rod |
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| #CRK-3455N |
04-'05 |
$675.00 |
| #CRK-3456N |
2006 |
$675.00 |
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YFZ Crankshaft |
| Knife
Forged Connecting Rods |
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| #F-TKRY4 |
('04-'05) |
$210.00 |
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#F-TKRY46 |
2006 |
$210.00 |
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| Features
an aerodynamic oval beam design that resists twisting and reduces turbulence.
Knife rods are specifically designed to withstand the demands of high RPM,
performance modified, press-together cranks. |
| *$100.00
Labor charge to install. |
Knife Connecting Rod |
| **New
pin and bearings required at additional cost. |
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Please specify year. |
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| Vortex
Ignition |
| #VT-3450 |
$499.95 |
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| ·Instant Plug-In Performance · 10 Selectable Power Curves · V Boost Booster for Maximum Spark Energy ·Programmable Rev Limit-Race Proven performance and Reliability · 12 Month Warranty from DOM. |
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Vortex CDI |
| NOTE: Ignition curve advance limited because of stock flywheel pick up location. Only allows limited ignition curve modification. Moderate
power gain in low to mid range. |
| To purchase the Vortex click here |
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Includes: Piston and Headgasket |
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| *Cylinders must be modified to accept big bore pistons |
| BIG BORE |
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| 13-1 Compression |
470cc |
$275.00 |
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| Use with '06-'09 crankshaft |
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Big Bore Kit |
Purchase Examples |
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| Customer sends in own Core: |
$0.00 |
Customer does not send in Core - New Core price: |
$307.00 |
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Strip Bore & Replate |
$295.00 |
Strip Bore & Replate |
$295.00 |
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Piston |
$275.00 |
Piston |
$275.00 |
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Headgasket |
$49.50 |
Headgasket |
$49.50 |
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| Total: |
$619.50 |
Total: |
$926.50 |
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| Replacement
Head Gasket |
Replacement Head Gasket-Big Bore
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| #5TA-97 |
$49.50 |
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| DRI
HP4 Valve Train Kits |
| · In House Cylinder Porting & Valve Seat Machining · Flow Bench Tested-Big Valves ·Heavy Duty Valve Springs ·Shortened Guides ·High Performance Camshafts |
| HP4
Kit with DRI Porting & SERDI Valve Seat Machining |
| #DR-289KP |
$1550.00 |
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·INCLUDES: DR Porting, SERDI Valve Seat cut, Hardfaced camshaft (see options below), HD Valve springs, 5 shortened guides, 5-piece Big valve kit (3 IN,2 EX) * Head will be reassembled by DRI
*Notes: |
| ·PERFORMANCE GAIN: up to 5 HP* |
DRI HP4 Kit with Porting |
| *Results vary depending on camshaft profile and piston compression. |
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| HP4
Kit without DRI Porting |
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| #DR-289K |
$1050.00 |
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·INCLUDES: Hardfaced camshaft (see options below), HD Valve springs, 5 shortened guides, 5-piece Big valve kit (3 IN, 2 EX)
* This kit does not include DR porting and SERDI Valve seat cut
**Kit must be installed by a trained professional
*Notes: |
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| DRI HP4 Kit w/o Porting |
| ·CORES REQUIRED: Head, Cam |
| ·NEW CORE PRICING: Head $646.46, Cam $307.00 |
| ·INSTALLATION: Kit must be installed by a trained professional |
| ·DELIVERY TIME: 2-4 weeks |
| X12 Grind Camshaft |
X34 Grind Camshaft |
| Part # 289-X12 |
Part #: 289-X34 |
Specifications: Midrange/Top End Power Gain Lift: .362/.353",
Duration 262°
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Specifications: Bottom/Midrange
Power Gain Lift: .350/.340", Duration 250/253° |
| Application: Motorcross |
Application: Baja Cross Country |
| Notes :1,2,3 |
Notes: 1 |
| ·NOTES: |
| 1.HD Valve Springs are required for this camshaft. |
| 2.Shortened Bronze Guides are required for this camshaft. |
| 3.New or modified piston required for this camshaft. Additional valve pocket relief in piston is required due to increased camshaft lift. |
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| Camshafts |
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| Camshafts sold separately · Hard Faced Billit Made in the USA |
| Grind options and application notes listed above |
| X12 |
#289-X12 |
$489.00 |
| X34 |
#289-X34 |
$489.00 |
| * $50.00 charge required to install Cam sprockets |
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Camshafts |
| Big Valve Kit |
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| #DR-80214T |
5 Valves, 5 Guide Seals (In/Ex +1 Titanium) |
$675.00 |
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Big Valve Kit- Titanium |
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| Valve
Spring Kits |
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| HD Springs with titanium retainers. Required with all DRI camshafts |
| HD Spring Kit with Titanium
Retainers |
#80-80206 |
$245.50 |
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HD
Valve Springs |
| Shortened
Bronze Guides |
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| IN |
#80-80220 |
$19.95
ea. |
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| EX |
#80-80230 |
$19.95
ea. |
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Shortened Bronze Guides |
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| HINSON
Billet Clutch Basket |
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| #H213 |
$249.99 |
· CNC Machined from T-6 7075 Billet aluminum
· All Hinson clutch components are treated with a Unique Akadize process, Lovett, for maximum durability.
· Hinson Clutch Baskets are stronger; wear longer, lighter and machined to enhance the oiling of the clutch
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| To purchase the Hinson Clutch Basket click here |
Billet Clutch Basket |
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| DR Clutch Kit |
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| #DR-C34 |
$179.00 |
To purchase the DR Clutch Kit click here
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| HINSON Billet Inner Clutch |
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| #H198 |
$309.99 |
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| HINSON Billet Pressure Plate (8-plate only) |
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| #H212 |
$189.00 |
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| HINSON
9-Plate Kit |
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| #H214 |
$399.00 |
* Includes 9-Plate Pressure Plate & 9-Plate Clutch Kit Fibers, Steels
& Spring Kit
**Note: The YFZ 450 comes stock with 8-Plate clutch.
Part numbers #H-213 and #H-198 work with both 8 and 9 plate set ups. But
part number #H-212 only works with stock 8-Plate design. |
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DR Clutch 9 Plate Clutch Kit |
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| Quick
Change Clutch Cover (Blue, Black & Red) |
#QC-345N
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$200.00 |
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| To purchase the Quick Change Clutch Cover click here |
Black Clutch Cover Installed |
Blue Clutch
Cover Installed |
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| Pro Flow Kit (flange w/Uni w/wrap) |
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| #PD-216 |
$129.95 |
#PD-216A
(Uni replacement Filter) |
$45.00 |
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Pro Flow Uni Kit |
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| K&N Pro Flow Kit (flange with K&N w/ outerwear) |
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| #PD-215 |
$169.95 |
| #PD-215A |
$69.95 |
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K&N Filter & Outerwear |
| (Outerwear) |
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| #PD-215A |
$24.95 |
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To Purchase the Pro Flow Kit click here
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Complete
Engine Rebuilding
(Tear down & Reassembly) |
#ER-4445 |
$650.00 |
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| Head
Port and SERDI Cut |
#PO-5VLV-VJ |
$550.00 |
| (includes R & R guide) |
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| Valve Job |
#MS-8004 |
$200.00 |
| Install Big Valve Kit |
#MS-BV05 |
$250.00 |
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Complete Engine Disassembled |
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| *ALL
ENGINE SERVICE PRICES PLUS PARTS. |
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| Balancing/Lightening |
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| Crankshaft Lightening Only |
#MS-LIGHT |
$249.00 |
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| Crankshaft Balancing ( plus metal) |
#MS-BAL |
$250.00 |
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| *Customer must supply stock crankshaft-Crankshaft must be in good condition |
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| * Customer must supply gram weight of -piston assembly or piston assembly |
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| New Crankshaft Lightened and Balanced |
Call for Pricing |
| * New Crank Supplied- No core required |
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| LOBO
II FRONT SUSPENSION KITS |
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| #RD-LB234F |
$2995.00 |
| ·Made in USA-4130 Chromally Oversized Gullwing Lower A-Arms · Maximum Wheel Travel-Enhanced Steering · Linear Motion Ratios Improves: Braking, Weight Transfer and Corner Stability · Encapsulated Upper Ball Joints · Desert-Motocross-Multiple Shock Options:Elka-Fox-Axis · All Kits Include Crown Steel Braided Front Brake Line Kit |
LOBO II F. Suspension Kit |
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| Includes: Lobo A-Arms, Axis or ELKA shocks, Tie Rods, CROWN Brake Lines, Upper & Lower A-Arms come powder coated. |
| For chrome Plates upper arms add $250.00 |
LOBO II-Wheel Off |
| For custom powder coat colors in additional charge may apply |
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| DR
Chrome Front Bumper |
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| #DR-3450 |
$179.00 |
· Made in USA-Mild Steel-Heli-Arc Welded · Triple Plate Chrome · Fit Pre-checked on All Bumper·
* Text Black Front Bumper available by special order only
Please call for details |
| To purchase the DRI Chrome Front Bumper click here |
DR Chrome Front Bumper |
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| Roll Design SWINGARM |
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| * Special order ONLY- Call for details |
| $90.00 |
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| Anti-Vibe Handlebar Mount Kit |
| Roll
STD (7/8) |
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| #4766 |
$89.95 |
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| Roll
Oversized (11/8) |
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| #4734 |
$89.95 |
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| “CROWN”
Series Brake Lines (Std. or +2) |
| Front Std. |
#CR-5500 |
$109.50 |
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| Front +2 |
#CR-5525 |
$109.50 |
| Rear |
#CR-5550 |
$39.95 |
| Available in: red, blue, yellow, smoke, clear
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| To purchase the CROWN Series Brake Lines click here |
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Front
Brake Line |
| ROLL ATV Foot Pegs |
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| '04-'09 |
##307306-K |
$199.00 |
| * Available in Textured Black Only |
| To purchase the Roll Foot Pegs click here |
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Foot
Peg - Kick Up |
| Skidplates |
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| *Call for more details |
| Swingarm |
$104.95 |
| Engine (Gylde) |
$124.95 |
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| TEAM FIRESTICKS AXLES +3 |
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| #TM-0201-2105 |
$449.00 |
*Uses stock OEM hubs (not included)
**TEAM has discontinued axles that use their rear wheel hub.
Replacement hubs are still available in limited quantities. Call for Details
*** Starting in mid ’07 TEAM has built all of their axles to use stock OEM rear wheel hubs. |
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| Rear Bearing Carrier |
| $299.00 |
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| Carriers are available for use with either Stock YFZ or Honda TRX 250R rear
axle |
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| Anti-Fade Axle Lock Nut |
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| #TM-0201-4002 |
$249.00 |
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| ELKA
Rear Shock |
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| Dual Rate from |
$879.00 |
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| GPR STEERING STABILIZERS |
GPR Low Boy V-1 ATV Stabilizers are available in Standard and Remote.GPR’s Low Boy Remote includes an adjustable handlebar mounted adjuster-
for adjustment on the fly.
V-1 series offers Hi-Lo speed adjustment simultaneously. 360° of adjustment.
Stabilizers and mount kits are made from aircraft 6061 T-6.
*Standard Low Boy Stabilizers are available in Red, Blue, or Black anodizing.
**Remote Stabilizers available in Black only
*Mount Kits available in Black only |
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| STD GPR Low Boy |
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| GPR Standard Low Boy |
Dampners Color Choices |
| #GPR-3450-LB |
$450.00 |
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| To Purchase the GPR STD Low Boy Remote click here |
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| GPR Low Boy Remote |
| #GPR3450-LBR |
$495.00 |
| To Purchase the GPR Low Boy Remote click here |
GPR Low Boy Remoter |
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Low Boy Remote Handlebar Dial |
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| Rotors Front or Rear (sold each) |
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| Pads |
$34.50 |
| Rotors |
$139.00 |
Galfer Rotors
Laser cut-To assure perfect flatness and no stress to the material. (Most other competitor’s rotors are stamped and can warp just during that process).
Galfer Pads
1054 Semi-Metallic compound (black)-Extremely versatile compound built to suit most of your costumers needs. Semi--metallic carbon based compound was made to hold abrupt temperature changes as well as to work excellent in wet or dry conditions. |
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| Billet
Shifter |
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#DR-34AS
(STD Length) |
$89.95 |
| To Purchase the Billet shifter click here |
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Billet Shifter |
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| IMS
3.6 gal Tank (white, natural, black, blue, red) |
| #12-7316 |
$274.95 |
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| Shockwears |
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| Duncan Racing Shockwears |
| #SW-501 |
$39.95 set |
·Made for DRI by the Outerwears Co.
·Manufactured from durable, water repellant denier nylon
·Easy Installation
*Call for availability & colors |
| Duncan Racing Shockwears |
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| Duncan Racing Elka Shockwears |
| $45.00 Set |
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·Manufactured from durable, water repellant denier nylon
·Equipped with Bones, plastic inserts to help keep the material from getting pinched in the springs
·Designed to protect shocks from, mud, dirt and sand Vented for cooling air ·Duncan Racing & Elka Suspension Logos
·Easy Installation
*Call for availability & colors
*NOTE: Shockwears come in a front pair only and are designed for use with long travel shocks. |
| *Call for availability & colors |
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Duncan/Elka Shockwears |
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| DRI/ONE Graphic-Seat Cover Kit |
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| Blue |
#DR-YFZGS6-EB |
$129.95 |
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DR Graphics & Seat Cover Kit BLUE |
| Black |
#DR-YFZGS6-BK |
$129.95 |
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DR Graphics & Seat Cover Kit BLACK |
| WHITE/Red |
#DR-YFZGS6-WR |
$129.95 |
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DR Graphics & Seat Cover Kit WHITE/Red |
| WHITE/Blue |
#DR-YFZGS6-WB |
$129.95 |
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| WHITE/Black |
#DR-YFZGS6-WBLK |
$129.95 |
DR Graphics & Seat Cover Kit WHITE/Blue |
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| To purchase the DRI Graphic & Seat Cover Kit click here |
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DR Graphics & Seat Cover Kit WHITE/Black |
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| "4-Stroke" Decal Kits (call for colors and availability) |
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| #DR-874 |
$19.95 |
DRI 4-Stroke Decal Kits are 11 in. x 17 in. filled with different sizes of multiple DRI brand logos including; Fat Boy 4, Duncan Racing, DR Icon and duncanracing.com.
Made from high quality 15 mil adhesive, built to last. |
| To purchase the Decal Kit click here |
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| Rear
Fender Decal Strips |
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| "4-Stroke" Red |
#DR-RF-D45-R |
$18.95 |
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| "4-Stroke" Blue |
#DR-RF-D45-B |
$18.95 |
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| "4-Stroke" Silver/Red |
#DR-RF-D45-SR |
$18.95 |
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| "4-Stroke"
Silver/Blue |
#DR-RF-D45-SB |
$18.95 |
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| To purchase the DRI Rear Fender Decals click here |
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| DR YFZ 450 Number plates (3-Piece Set) |
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| Blue, Black, Red & White |
$24.95 |
| #DR-831 |
Blue |
| #DR-826 |
Black |
| #DR-841 |
Red |
| #DR-851 |
White |
Blue |
Black |
| #DR-836 |
Yellow |
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Each kit is supplied with (3) Number Plates. 1-Front and 2-Rear
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| To purchase the YFZ Number Plate click here |
Red |
White |
| *Please Note: These are the DECAL BACKGROUNDS and not the plastics |
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All
Contents Copyright © Duncan Racing International - All
Rights Reserved
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