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YFZR-X Performance
YFZR-X Powertrain
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J
Sticky
2014 YFZ450RE & RSE service manual
J-Yamaha
Sep 12, 2013
2
3
55
23K
4 mo ago
by
tfrost92
Sticky
OEM YFZ Intake cam differences..05 06 08
mixxer
Nov 13, 2012
6
7
8
148
56K
7 mo ago
by
atvman8351
Sticky
450R/X Codes and Symptoms
foxracingwade
Aug 11, 2010
2
34
96K
10 mo ago
by
Kelley921
Sticky
***YFZ 450R Water Pump Seal Replacement How To***
kilroy
Jun 5, 2016
8
9K
Aug 28, 2021
by
Bmwracer3231989
Sticky
The Straight Dope on High Compression
mixxer
Jul 25, 2012
2
3
45
22K
Oct 12, 2020
by
SilsbySilverado103
Sticky
Vortex - Beginner's Tuning Instructions...
kilroy
Apr 11, 2017
5
8K
Sep 1, 2020
by
yfzgambler
Sticky
Single Layer Head Gasket Mod (SLHG)
jeremy96121
Dec 19, 2012
13
14
15
283
63K
Jun 14, 2020
by
Freeagnt54
Y
Sticky
Adjusting tps
yfz450rjunky
Apr 4, 2016
2
3
4
68
50K
May 14, 2020
by
STAB YFZ
Sticky
Share your MSD Blaster Fi settings here
sam68
Jul 27, 2010
29
30
31
619
259K
Mar 2, 2020
by
bugra tabak
Sticky
YFZ Cam Specifications
mbirt
Jun 13, 2012
2
30
13K
Oct 29, 2018
by
Orange2014
J
Sticky
Yfz450r tps adjustment setting
jones17
Oct 3, 2016
1
6K
Oct 3, 2016
by
Ferocioussk-88
Sticky
Wiseco WCI009 intake cam testing soon
mixxer
Apr 4, 2013
2
3
59
16K
Jun 22, 2016
by
badassmachinist
Sticky
YFZR - Injector ?
trxxx250r
Nov 5, 2012
3
4
5
93
35K
Jan 3, 2016
by
YFZXNewbie
Sticky
rickyjos personal porting experiance
Rickyjo09
Jul 29, 2012
2
37
14K
Aug 12, 2013
by
mixxer
Sticky
New topend
bbcmudtruck
Aug 26, 2012
4
5
6
102
24K
Dec 11, 2012
by
trxxx250r
D
Gas in oil?
dmx434343
Mar 25, 2012
15
10K
17 d ago
by
marvinogle1870
any msd blaster maps
alex450r22
2 mo ago
4
239
22 d ago
by
TEAM KEEN
2016 yfz450r se vortex setup, need some info
Gsturbo90
2 mo ago
4
256
2 mo ago
by
ilikebike
Kick Start YFZ 450R
Miranda15
Apr 19, 2011
17
9K
2 mo ago
by
kb motorsports
S
2010 450R check engine light code 46. Voltage not normal
stock12yfz
Feb 19, 2018
4
5K
3 mo ago
by
Billy Umpleby
8
Is the Vortex worth the money?
84YFZR
Aug 29, 2014
2
25
21K
4 mo ago
by
Kalebsyfz450rse
2020 450r BNR Vortex Map Sheet
Ratchet68
Oct 20, 2021
6
1K
4 mo ago
by
Kewzuh
Hmf optimizer setting/tuning.
Glitchez
8 mo ago
1
449
5 mo ago
by
kb motorsports
WOW you NEED to CHECK ur TPS sensor!!
ferrarijody
Aug 3, 2017
2
26
23K
5 mo ago
by
cimager714
Turns over but won’t start issue
SoFlaSteve
5 mo ago
0
198
5 mo ago
by
SoFlaSteve
J
cuts out and won't rev Help???
jes9999
May 28, 2014
6
2K
6 mo ago
by
[email protected]
Backfiring/Popping up on Deceleration
D.Cooper
7 mo ago
3
441
6 mo ago
by
hew
YFZ 450R FCI fit question?
kilroy
Mar 24, 2015
2
31
4K
9 mo ago
by
ttt503
More power out of 450x
Corey1484
Jan 10, 2022
1
499
9 mo ago
by
hew
Yfz 450r not run idle
Yfz450r2011
12 mo ago
1
331
9 mo ago
by
hew
does not start idle
Yfz450r2011
11 mo ago
1
366
9 mo ago
by
hew
Hard cold start vortex, fci, r5
SoFlaSteve
9 mo ago
3
628
9 mo ago
by
ilikebike
G
Single layer gasket with CP 13:5 Piston???
[email protected]
10 mo ago
0
262
10 mo ago
by
[email protected]
Oil tank cover
constable
Sep 2, 2013
2
603
10 mo ago
by
hooddman
☆Vortex Settings☆ Share your Vortex settings here.
YfzMadness
Feb 3, 2014
6
7
8
159
87K
10 mo ago
by
HVACLVR
Friction plate reliability
Sponch
10 mo ago
0
289
10 mo ago
by
Sponch
Yfz 450r do not run idle
Yfz450r2011
12 mo ago
0
237
12 mo ago
by
Yfz450r2011
Power Commander V Maps
deeter25
Jun 25, 2011
2
3
47
23K
Dec 15, 2021
by
Fatboy954
***Kilroy's YFZ 450R Trail Bike Build***
kilroy
Jun 13, 2017
16
17
18
355
63K
Dec 12, 2021
by
atvman8351
0
Need help! Code 12 crankshaft position sensor
09YFZR916
May 2, 2015
13
16K
Dec 8, 2021
by
Chris450r
Y
Transmission Issues
yamracer_53
Jul 12, 2009
9
2K
Nov 24, 2021
by
Peasss42
High Idle Problem
phillybuilt
Sep 27, 2021
5
975
Oct 5, 2021
by
atvman8351
A
YfzR won't start
Aguado7
May 28, 2017
10
3K
Sep 26, 2021
by
plshepess4
A
Not another no start post! I’ve been searching. Help please!
awesomeyfz
Sep 5, 2021
0
383
Sep 5, 2021
by
awesomeyfz
A
Another Yfz450r won’t start thread I’m stumped
awesomeyfz
Sep 4, 2021
0
357
Sep 4, 2021
by
awesomeyfz
Big 3 on yfz450r
Wilderjohn93
Feb 6, 2021
2
28
4K
Sep 4, 2021
by
Wilderjohn93
450r the same as 450
tjcollins79
Jul 25, 2021
0
332
Jul 25, 2021
by
tjcollins79
R
2010 YFZ450x dies after start
Reaper8
Jul 24, 2021
1
439
Jul 25, 2021
by
Reaper8
C
14 yfzr does not want to start, fuel pump is not priming
cr_thirty
Aug 31, 2015
2
34
18K
Jul 21, 2021
by
Darrell knight
Do I need a efi tuner
Blake14
Jul 14, 2021
4
1K
Jul 15, 2021
by
Blake14
1
2
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