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:::YFZ450 Performance:::
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Sticky
Clutch replacement "tutorial"
Joester
Jun 3, 2011
2
22
47K
6 mo ago
by
Tyfzr45023
E
Sticky
Jetting FAQ's
edgerat
Sep 11, 2003
55
56
57
1K
290K
8 mo ago
by
LisaTucker66
Sticky
Jetting,mods and elevation...
project_yfz
Apr 24, 2014
18
8K
9 mo ago
by
Yfz450 hernandez
K
Sticky
To Anyone With Aftermarket Exhaust...
ketchupYFZ450
Aug 31, 2004
16
17
18
356
153K
11 mo ago
by
Michael Carter
Y
Sticky
Kickstart Installation Walkthrough
Yzblue
Aug 5, 2006
6
7
8
144
113K
11 mo ago
by
Mudd slinger
B
Sticky
2012 Carb removal and jetting with jet part numbers!
bcammons
Jun 19, 2012
2
33
25K
Mar 29, 2019
by
JDYFZ
Sticky
the MOTHER FCR tuning / INFO thread
mixxer
Mar 11, 2013
3
4
5
97
133K
Dec 5, 2018
by
704Justo
Sticky
Yfz Athena 480cc
Terse
Oct 1, 2007
9
10
11
208
72K
May 8, 2018
by
SilsbySilverado103
Sticky
Spring Mod Full Tutorial
Joester
May 6, 2009
2
3
4
71
41K
May 8, 2018
by
xjgiles_
Sticky
Porting..Theory...Tools..Techniques
mixxer
May 22, 2012
11
12
13
249
85K
Jan 22, 2018
by
brettk
Sticky
Dyno Pipe Test 2
Terse
Apr 5, 2008
8
9
10
196
60K
Sep 9, 2017
by
Terse
Sticky
YFZ Cam Specifications
mbirt
Jun 13, 2012
2
38
33K
Sep 9, 2017
by
Terse
P
Sticky
Oil Mod Completed
pooperscouper
Apr 30, 2006
6
7
8
151
97K
May 31, 2017
by
YFZLTRrider
Sticky
Yfz450 Cam Mod
Terse
Nov 15, 2006
26
27
28
544
288K
Mar 22, 2017
by
Terse
Sticky
Jetting, basic FCR carb and jet location pictures
husker525
Jan 17, 2011
2
3
43
73K
Sep 6, 2016
by
sketty20
Sticky
Mixxer/ Sredrum dyno cam test
Terse
Jul 30, 2012
9
10K
Feb 1, 2016
by
mixxer
S
Sticky
Oil upgrade kit for 501 cc motors. We now can do it
sabrecat
Apr 1, 2012
11
5K
Feb 12, 2014
by
04Yfz450kid711
Sticky
YZ Clutch Modification
Duane
Aug 21, 2007
5
6
7
123
64K
Feb 10, 2014
by
04Yfz450kid711
Sticky
CP pistion question
flavtfan
Jan 26, 2013
2
3
4
65
11K
Oct 28, 2013
by
ldjbuff
Sticky
Dyno Pipe Test
Terse
Dec 8, 2006
16
17
18
342
126K
Feb 3, 2013
by
flavtfan
R
Sticky
Pipe Shootouts Condensed
rcbros
Feb 9, 2009
Locked
6
27K
Feb 9, 2009
by
YFZER359
G
+1mm Valves?
Grasshopper2
3 d ago
0
66
3 d ago
by
Grasshopper2
C
Help with jetting needed
Chandaws111
10 d ago
1
56
9 d ago
by
Nolifesigns
L
Yfz 450R fuel manager/controller
LuckE yfz
15 d ago
10
248
12 d ago
by
Kalebsyfz450rse
A
Exhaust pipe glows red hot!
Alpine9887
Jan 1, 2012
16
41K
23 d ago
by
Ray565
J
Does anyone know what this odd bolt is on carb ?
Jake777460
27 d ago
5
180
25 d ago
by
Jake777460
C
engine oil check ???
customyfz
Apr 18, 2011
4
4K
1 mo ago
by
AQ Arslan
Oil in airbox again!!
j0eridesbikes
Dec 27, 2011
2
32
25K
1 mo ago
by
Jnewcome24
R
More low end
River388
2 mo ago
3
170
1 mo ago
by
SilsbySilverado103
Athena Big Bore/ Wr Crank
kb motorsports
May 31, 2006
9
1K
2 mo ago
by
SilsbySilverado103
H
2005 Yfz 450 Jetting Specs.
HAMMERTIMEYFZ450
Aug 19, 2005
4
4K
2 mo ago
by
cody livengood
Yfz450 2006
Goni
2 mo ago
0
97
2 mo ago
by
Goni
N
max cc's for pump gas
njmike
Mar 3, 2011
16
2K
2 mo ago
by
Cguidry
J
2008 Dasa and FCI Jetting
johncraddock445
2 mo ago
1
113
2 mo ago
by
dust n' u
Jetting Help
Old Man
Feb 21, 2005
1
467
2 mo ago
by
Broncomoto
Blew valve COVER gasket out! How?!
mhayes462
May 28, 2013
2
3
55
12K
2 mo ago
by
Cguidry
Y
08 Yfz450 Running Lean, Need Advice
Young Duner
2 mo ago
5
257
2 mo ago
by
STurnerXM2010
NEED HELP ON DECISION FOR MOTOR BUILD!!!
BigMikeYFZ
2 mo ago
2
287
2 mo ago
by
BigMikeYFZ
Honda Thumb Throttle
jdthomas24
Nov 29, 2006
19
2K
3 mo ago
by
dunepatrol
Anyone know if TTMRacing is still around?
mhayes462
Nov 19, 2010
7
660
3 mo ago
by
DERMEG
VisionAir V18 CARBON FIBER INTAKE KIT | AIR BOX
Yfz Vader
10 mo ago
5
612
3 mo ago
by
yfzgambler
PEP EZ Pull install problems
HighFlyerMN
Jul 21, 2013
9
3K
3 mo ago
by
Collison1983
Wont start has spark air and fuel
BlueShoe84
3 mo ago
2
241
3 mo ago
by
BlueShoe84
08 yfz 450
linconLS2002
4 mo ago
2
137
4 mo ago
by
rhem907
C
Replacing Starter Plunger
churbie
Aug 25, 2009
14
4K
4 mo ago
by
sbradnan
B
YFZ450 Wont Start, Backfiring through carb when given gas
Brad Owens
Dec 5, 2015
2
2K
4 mo ago
by
JDOklahoma
R
High Revving after carb cleaning
Reaper8
4 mo ago
3
208
4 mo ago
by
JDOklahoma
B
Spark Problem.
bigjake
Oct 12, 2008
11
2K
4 mo ago
by
Tyler nischke
Battery not charging
Glamis_Dune_Fiend
Nov 26, 2012
19
27K
4 mo ago
by
Duneaddict
Yfz 450, idles fine, back fires and stalls when riding
Tanner_5625
5 mo ago
5
261
4 mo ago
by
Crusty Old Shellback
E
Kill switch left on for months - did i kill the battery???
erbear321
4 mo ago
1
118
4 mo ago
by
SilsbySilverado103
R
Does when clutch lever is pulled in
Reaper8
5 mo ago
1
278
5 mo ago
by
SilsbySilverado103
Carb inlet adapter with fci intake
Moparmaniac
5 mo ago
3
367
5 mo ago
by
SilsbySilverado103
Differences Between Yfz 450 And Yzf 426
lbyfz450
Mar 29, 2010
6
9K
5 mo ago
by
Dr roman88
O
05 450 Oil Problems..
onebadf150
5 mo ago
1
194
5 mo ago
by
JDOklahoma
S
Powerbomb Header Jetting
sic_sense_socal
Aug 30, 2005
4
837
5 mo ago
by
Davidpier611
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YFZ Powertrain
YFZ450 Engine, Intake, Exhaust, Carb, Big Bore Kits.
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