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Performance /Technical
Yamaha YFZ450/450R (2004-Present)
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Sticky
Need Re-Jetting Help? ~YFZ450 Jetting Guide Inside~
screamin96
Sep 12, 2003
31
32
33
644
345K
Jul 10, 2020
by
cory52000
Sticky
The Bog, the Zip Tie / O-Ring Mod and You
Bowtie
Jan 15, 2009
2
29
69K
Apr 4, 2017
by
cory52000
Sticky
Oil Mod Explained
Hefe
Feb 26, 2008
2
3
4
66
95K
Apr 26, 2016
by
Koivistoderek
A
Sticky
Pro Design Killswitch Install for YFZ450
Aussiequadrider
Jan 8, 2004
2
3
49
33K
Oct 16, 2012
by
mannowar
B
Sticky
YFZ450 YAMAHA TECH UPDATES
bansheebc
Sep 10, 2004
2
3
48
51K
Apr 25, 2012
by
printingray1
M
Sticky
YFZ gear box and leakie water pump fix 2
Mickey Dunlap
Jun 19, 2004
6
7
8
154
38K
Feb 20, 2012
by
ian2norton
Sticky
What's New for YFZ450 Owners?
screamin96
Nov 19, 2003
Locked
10
12K
Dec 19, 2008
by
screamin96
07 running rich and breaking up
djj624
14 d ago
0
115
14 d ago
by
djj624
V
Clutch question
VRB111
1 mo ago
0
188
1 mo ago
by
VRB111
T
raptor 660 verse yfz450
trailking
Dec 23, 2006
2
22
15K
2 mo ago
by
3139944
New here and have a valve shimming question..
djj624
2 mo ago
1
155
2 mo ago
by
djj624
Y
450 YFZ Cylinder WR450 ???!!!!
YamahaBanshee69
Dec 23, 2007
6
6K
3 mo ago
by
jerryhouckii
HELP!! 2006 yfz 450 does two spins the smacks into something
eron c
4 mo ago
0
343
4 mo ago
by
eron c
2007 YFZ450 special edition light issues
B. Fairchild
6 mo ago
0
264
6 mo ago
by
B. Fairchild
ASR MX pro +2 A Arms
Ntmsak12
7 mo ago
0
223
7 mo ago
by
Ntmsak12
M
04 YFZ NO START/CRANK
mcqn
8 mo ago
0
320
8 mo ago
by
mcqn
N
Issues starting
NeilMayhew38
9 mo ago
0
290
9 mo ago
by
NeilMayhew38
B
2006 YFZ450 Carburetor adjustment
Bobthebuilder1
10 mo ago
0
384
10 mo ago
by
Bobthebuilder1
2018 Kodiak 450
Whitewolf30
10 mo ago
0
489
10 mo ago
by
Whitewolf30
D
2007 yfz450 idle adjustment
dfrazarhog
Jan 25, 2010
6
32K
10 mo ago
by
Bayden
2
2010yfz450 bogging on accelerating.
2010yfz450-Vtk
11 mo ago
0
391
11 mo ago
by
2010yfz450-Vtk
M
Starter doesnt seem to be cranking the engine fast enough?
mxer829
Jun 5, 2009
13
23K
Mar 20, 2022
by
Franke86
H
06 Yamaha yfz 450 electric start issue
Husker00
Feb 24, 2022
1
450
Mar 18, 2022
by
KoLD3
U
05 yfz won't start
Ucfd608
Oct 22, 2016
8
4K
Mar 18, 2022
by
KoLD3
M
How Fast is the YFZ450 (top speed)
motoboy17us2007
Aug 28, 2003
6
7
8
153
51K
Mar 17, 2022
by
BANSHEEKING
2008 YFZ450 Special Edition ATV top rear shock beating kit
prgonzo
Mar 17, 2022
0
549
Mar 17, 2022
by
prgonzo
H
Kick Start Conversion Kits In stock!
HondaEast
Dec 15, 2011
2
27
28K
Mar 10, 2022
by
rantonation
C
flywheel knocking hard
cray2602
Feb 20, 2005
6
1K
Feb 28, 2022
by
3ddrywall4
PWK carb on a yfz450r?
miggy.iggy
Feb 27, 2022
0
283
Feb 27, 2022
by
miggy.iggy
O
Head swap
OutlawJim
Feb 23, 2022
0
324
Feb 23, 2022
by
OutlawJim
P
Yfz 450 wont turn over/oil light only comes on
prodigey
Dec 28, 2011
2
6K
Feb 18, 2022
by
warrior4life18
2008 yfz450 starts but only stays on a short time, then dies
Yamaha 76
Jan 12, 2022
0
1K
Jan 12, 2022
by
Yamaha 76
C
07 YFZ450- No Crank
caprice.454
Nov 18, 2021
0
427
Nov 18, 2021
by
caprice.454
04 YFZ 450 Issue running when warm.
Wes88
Sep 28, 2021
0
761
Sep 28, 2021
by
Wes88
205 yfz450 stalling issues
trentj83
Sep 20, 2021
0
358
Sep 20, 2021
by
trentj83
A
My first 450, what do I need to know?
AvasGRIZ80
Feb 27, 2019
2
29
5K
Aug 23, 2021
by
princebhaini8
04 yfz electrical
Tonyd
Jul 27, 2021
0
514
Jul 27, 2021
by
Tonyd
08 yfz 450 cracked case!!
BuckyBandos420
Jul 26, 2021
0
334
Jul 26, 2021
by
BuckyBandos420
Engine rebuild
Rabzzz
May 31, 2021
1
2K
Jun 2, 2021
by
Patrick Zeek
A
Yfz450 Dies After Clutch Released
ArowanaDealer
May 22, 2021
2
2K
May 25, 2021
by
cory52000
R
Would you turbo a YFZ450?
raygun
Aug 4, 2004
2
26
9K
May 16, 2021
by
Jonboy450
Yfz 450 Just Clicks From Solenoid.
Warrior4Life350
Jun 20, 2015
2
30
33K
Apr 30, 2021
by
cory52000
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Yamaha YFZ450/450R (2004-Present)
Yamaha's high-tech 450cc 4-stroke thoroughbred
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