Yamaha WR400F parts (1998-2002)
347 parts listed for the Yamaha WR400F, 232 of them in stock. Choose your year to see what fits it.
Looking for parts that fit your machine...

Bridgestone Battlecross X10 Tire
Bridgestone · 037195
$215.98
In stock

EBC 'R' Series Pads (FA131R)
EBC · 61-FA131R
$62.99
In stock

JT 251 Racelite Rear Sprocket (JTA251.51BLK)
JT SPROCKET · 24-A0251-51BLK
$64.95
In stock

D.I.D Chain - 520DZ2 (004724)
D.I.D · 004724
$149.99
In stock

DRC/ZETA/UNIT Dura Sprocket (228065)
DRC/ZETA/UNIT · 228065
$104.99
In stock

Bridgestone Motocross/Off-Road Tire Tube
Bridgestone · 012045
$36.99
In stock

All Balls Wheel Bearing & Seal Kit (206478)
ALL BALLS RACING · 206478
$54.99
In stock

Barkbusters Diamond Grip
Barkbusters · 870272
$24.99
In stock

Hiflofiltro OE Replacement Air Filter (HFF4012)
HIFLOFILTRO · HFF4012
$35.95
In stock

Bronco ATV/UTV Oil Filter (AT-07003)
BRONCO · 79-00107
$12.95
In stock

All Balls Swing Arm Bearing & Seal Kit (28-1073)
ALL BALLS RACING · 28-1073
$139.95
In stock

ASV INVENTIONS F4 Series Off-Road Clutch Lever (480207)
ASV INVENTIONS · 480207
$66.00$164.99
In stock

All Balls Brake Pad (347308)
ALL BALLS RACING · 347308
$45.99
In stock

All Balls Brake Caliper Bolt/Retaining Pin Kit (208943)
ALL BALLS RACING · 208943
$15.99
In stock

All Balls Countershaft Seal Kit (206944)
ALL BALLS RACING · 206944
$36.99
In stock

All Balls Fork Bushing Kit (38-6010)
ALL BALLS RACING · 38-6010
$75.95
In stock

Barkbusters BBZ Handguard (870084)
Barkbusters · 870084
$154.99
In stock

Boyesen Quickshot II Acceleration Pump Cover (APC-2)
BOYESEN · 66-00010
$169.95
In stock

All Balls Master Cylinder Rebuild Kit (18-1003)
ALL BALLS RACING · 18-1003
$39.95
In stock

All Balls Chain Roller (206218)
ALL BALLS RACING · 206218
$32.99
In stock

All Balls Rear Shock Bearing Kit (29-1016)
ALL BALLS RACING · 29-1016
$42.95
In stock

Namura Top End Gasket Kit (NX-40041T)
NAMURA · 703190
$92.95
In stock

Pivot Works Waterproof Wheel Spacer Kit (PWFWC-Y08-500)
PIVOT WORKS · 01-32008
$76.95
In stock

All Balls Brake Pad Retaining Pin Kit (18-7003)
ALL BALLS RACING · 18-7003
$15.95
Out of stock

All Balls Brake Caliper Rebuild Kit (18-3005)
ALL BALLS RACING · 18-3005
$44.95
In stock

Rock Hard Brake Rotor (MX-05523W)
ROCKHARD · 6-130003
$115.95
In stock

All Balls Carburetor Mid Body Gasket Kit (26-1511)
ALL BALLS RACING · 26-1511
$38.95
In stock

All Balls Extended Fuel Mix Screw (46-6001)
ALL BALLS RACING · 46-6001
$19.95
In stock

Trailtech Surface Mount TTO Computer Kit (223016)
Trailtech · 223016
$91.99
In stock

DRC/ZETA/UNIT Handlebar Stabilizer (023731)
DRC/ZETA/UNIT · 023731
$104.99
In stock

Kimpex HD Ignition Coil (285837)
Kimpex HD · 285837
$29.99
In stock

NGK Iridium IX Spark Plug (900320)
NGK · 900320
$21.99
In stock

All Balls Fork Oil & Dust Seal Kit (206596)
ALL BALLS RACING · 206596
$57.99
In stock

DRC/ZETA/UNIT Standard and Quick Throttle Tube (428491)
DRC/ZETA/UNIT · 428491
$60.99
In stock

Hot Cams 5 Piece Shim Package (020780)
Hot Cams · 020780
$15.99
In stock

Twin Air Airbox Cover (160078)
TWIN AIR · 68-38000
$72.95
In stock

Trailtech External Antenna for Voyager Pro (223170)
Trailtech · 223170
$66.99
In stock

Emgo Brake Lever (30-32511)
EMGO · 61-30538
$4.03$8.95
In stock

Hot Cams Camshaft Chain Silent Kit (HC92RH2010120)
HOTCAMS · 78-69007
$104.95
In stock

All Balls Float Bowl Gasket (46-5021)
ALL BALLS RACING · 46-5021
$16.95
In stock

All Balls Fuel Tap Rebuild Kit (209767)
ALL BALLS RACING · 209767
$27.99
In stock

Psychic Chain Guide (MX-03432)
PSYCHIC · 24-08003
$36.95
In stock

Psychic Clutch Cable (105-239)
PSYCHIC · 69-31017
$12.95
In stock

Psychic Clutch Kit (MX-03545H)
PSYCHIC · 21-31019
$94.95
In stock

All Balls Countershaft Seal Kit (25-4019)
ALL BALLS RACING · 25-4019
$35.95
In stock

Vertex Exhaust Gasket Kit (823064)
VERTEX · 823064
$10.95
In stock

DRC/ZETA/UNIT Fork Top Bleeder — 228854
DRC/ZETA/UNIT · 228854
$33.99
In stock

All Balls Fork Bushing Kit (208995)
ALL BALLS RACING · 208995
$76.99
In stock

Psychic Fuel Cock Repair Kit (MX-07654)
PSYCHIC · 6-230200
$20.95
In stock

Barkbusters Universal Hardware Kit - Triple Clamp Mount (870270)
Barkbusters · 870270
$154.99
In stock

Oxford Products Premium Adventure Heaterz Grips (269929)
Oxford Products · 269929
$159.99
In stock

Vertex Ignition Cover Gasket (816004)
VERTEX · 816004
$7.95
In stock

ASV INVENTIONS Rotator Clamp - Front Brake
ASV INVENTIONS · 481083
$61.99
In stock

DRC/ZETA/UNIT Rear Lowering Inner Kit for KYB, SHOWA and WP Fork (027405)
DRC/ZETA/UNIT · 027405
$57.99
In stock

Kimpex 4" Round Mirror (055059)
Kimpex · 055059
$20.99
In stock

Vertex Piston Kit (22567A)
VERTEX · 70-38210
$359.95
In stock

All Balls Racing Shock Bladder (37-1300)
ALL BALLS RACING · 37-1300
$38.95
In stock

All Balls Rear Shock Seal Head Assemblies (206553)
ALL BALLS RACING · 206553
$80.99
In stock

Pivot Works Shock Repair Kit (PWSHR-Y01-000)
PIVOT WORKS · 05-34001
$193.95
In stock

All Balls Steering Bearing Kit (22-1001)
ALL BALLS RACING · 22-1001
$81.95
In stock

All Balls Tapered Steering Bearing Kit (206409)
ALL BALLS RACING · 206409
$77.99
In stock

Pivot Works Steering Stem Bearing Kit (PWSSK-Y05-421)
PIVOT WORKS · 05-38003
$107.95
In stock

All Balls Swing Arm Bearing & Seal Kit (206525)
ALL BALLS RACING · 206525
$139.99
In stock

Psychic Throttle Cable (105-238)
PSYCHIC · 62-31010
$22.95
In stock

Kimpex HD Voltage Regulator Rectifier (286880)
Kimpex HD · 286880
$47.99
In stock

Vertex Water Pump Rebuild Kit (821676)
VERTEX · 821676
$74.95
In stock

Bridgestone BattleCross X20 Tire
Bridgestone · 112169
$220.98
In stock

EBC 'R' Series Pads (FA185R)
EBC · 61-FA185R
$64.99
In stock

JT 251 SC Lightweight Steel Rear Sprocket (JTR251.50SC)
JT SPROCKET · 24-R0251-50SC
$51.95
In stock

D.I.D Chain - 520ERS3 (079133)
D.I.D · 079133
$309.99
In stock

Kimpex Drive Sprocket (299005)
Kimpex · 299005
$13.49
In stock

Bridgestone Motocross/Off-Road Tire Tube (012326)
Bridgestone · 012326
$77.99
In stock

All Balls Wheel Bearing & Seal Kit (306352)
ALL BALLS RACING · 306352
$47.99
In stock

Pro Taper Clamp-on Handlebar Grips — Diamond
Pro Taper · 328825
$40.99
In stock

Profilter Air Filter (MTX-2401-00)
PROFILTER · 68-34007
$42.95
In stock

Hiflofiltro OE Replacement Oil Filter (HF142)
HIFLOFILTRO · HF142
$12.50
In stock

All Balls Swing Arm Bearing & Seal Kit (28-1076)
ALL BALLS RACING · 28-1076
$141.95
In stock

ASV INVENTIONS F4 Series Off-Road Clutch Lever (480210)
ASV INVENTIONS · 480210
$66.00$164.99
In stock

EBC "MXS" Moto-X Race Brake Pad (007567)
EBC · 007567
$85.99
In stock

All Balls Brake Caliper Repair Kit (306853)
ALL BALLS RACING · 306853
$45.99
In stock

Namura Full Gasket Set (NX-40040F)
NAMURA · 703976
$144.95
In stock

All Balls Fork Oil & Dust Seal Kit (56-141)
ALL BALLS RACING · 56-141
$56.95
In stock

Barkbusters Storm Plastic Guard
Barkbusters · 870079
$69.99
In stock

Boyesen Quickshot III Acceleration Pump Cover (APC-3)
BOYESEN · 66-00012
$214.95
In stock

All Balls Master Cylinder Rebuild Kit (18-1007)
ALL BALLS RACING · 18-1007
$40.95
In stock

All Balls Chain Roller (79-5007)
ALL BALLS RACING · 79-5007
$32.95
In stock

All Balls Rear Shock Bearing Kit (29-5016)
ALL BALLS RACING · 29-5016
$44.95
In stock

Vertex Top End Gasket Set (810675)
VERTEX · 810675
$95.95
In stock

Pivot Works Waterproof Wheel Spacer Kit (PWRWC-Y01-500)
PIVOT WORKS · 01-32501
$116.95
In stock

All Balls Brake Pad Retaining Pin Kit (18-7006)
ALL BALLS RACING · 18-7006
$22.95
In stock

All Balls Brake Caliper Rebuild Kit (18-3028)
ALL BALLS RACING · 18-3028
$44.95
In stock

SBS Standard Brake Rotor (5205091100)
SBS · 5091
$149.95
In stock

All Balls Carburetor Mid Body Gasket Kit (26-1513)
ALL BALLS RACING · 26-1513
$40.95
In stock

All Balls Fuel Tap Repair Kit (60-1000)
ALL BALLS RACING · 60-1000
$27.95
In stock

Trailtech Universal Temperature Sensor (223176)
Trailtech · 223176
$98.99
In stock

Enduro Engineering EVO2 Handlebar Mount Kit 50-5232S/B (459335)
Enduro Engineering · 459335
$104.99
In stock

Kimpex HD Ignition Coil with cap (285833)
Kimpex HD · 285833
$29.99
In stock

NGK Standard Spark Plug (900164)
NGK · 900164
$12.99
In stock

Pivot Works Fork Seal Kit (054078)
Pivot Works · 054078
$83.99
In stock

DRC/ZETA/UNIT Throttle Tube — Closed
DRC/ZETA/UNIT · 023748
$13.99
In stock

Hot Cams 5 Piece Shim Package (020782)
Hot Cams · 020782
$15.99
In stock

Bridgestone BattleCross X40 Tire
Bridgestone · 112138
$218.98
In stock

EBC 'X' Pads (FA185X)
EBC · 61-FA185X
$61.99
In stock

JT 251 Twinstar Rear Sprocket (JTX251.49BLU)
JT SPROCKET · 24-X0251-49BLU
$80.95
In stock

D.I.D Chain - 520ERVT (504036)
D.I.D · 504036
$309.99
In stock

Kimpex Drive Sprocket (299007)
Kimpex · 299007
$12.49
In stock

Bridgestone Motocross/Off-Road Tire Tube (012487)
Bridgestone · 012487
$58.99
In stock

All Balls Wheel Bearing Kit (25-1252)
ALL BALLS RACING · 25-1252
$52.23
In stock

Pro Taper Clamp-on Handlebar Grips — Pillow top
Pro Taper · 328817
$39.99
In stock

Profilter Ready-To-Use Replacement Air Filter (AFR-2401-00)
PROFILTER · 68-34107
$22.95
In stock

Kimpex Oil Filter (020288)
Kimpex · 020288
$11.99
In stock

All Balls Swing Arm Linkage Bearing & Seal Kit (27-1088)
ALL BALLS RACING · 27-1088
$157.95
In stock

DRC/ZETA/UNIT OEM Short Lever (028048)
DRC/ZETA/UNIT · 028048
$19.99
In stock

EBC “R“ Long Life Sintered Brake Pad (007449)
EBC · 007449
$66.99
In stock

All Balls Brake Caliper Repair Kit (336591)
ALL BALLS RACING · 336591
$45.99
In stock

Namura Full Gasket Set (NX-40041F)
NAMURA · 703975
$149.95
In stock

Pivot Works Fork & Dust Seal Kit (PWFSK-Z001)
PIVOT WORKS · 05-06501
$82.95
In stock

Barkbusters Straight Jet Handguard
Barkbusters · 870000
$159.99
In stock

Boyesen QUICKSTART Acceleration Pump (APC-3QS)
BOYESEN · 66-00013
$339.95
In stock

All Balls Master Cylinder Rebuild Kit (18-1016)
ALL BALLS RACING · 18-1016
$40.95
In stock

All Balls Chain Roller (79-5008)
ALL BALLS RACING · 79-5008
$31.95
In stock

Pivot Works Shock Bearing Kit (PWSHK-Y07-421)
PIVOT WORKS · 05-33005
$84.95
In stock

Vertex Top End Gasket Set (810676)
VERTEX · 810676
$95.95
In stock

Pivot Works Waterproof Wheel Spacer Kit (PWRWC-Y02-500)
PIVOT WORKS · 01-32502
$134.95
In stock

Bridgestone Motocross M59 Tire (012057)
Bridgestone · 012057
$223.98
In stock

Rock Hard Full-Metal Brake Pad (MX-05286F)
ROCKHARD · 61-09047
$34.95
In stock

JT 251 Twinstar Rear Sprocket (JTX251.49GR)
JT SPROCKET · 24-X0251-49GR
$73.95
In stock

D.I.D Chain - 520MX (004499)
D.I.D · 004499
$274.99
In stock