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Dirt bike mods, performance & tech info from Rich Rohrich & Eric Gorr.
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Sticky
Article
Motorcycle Myth # 5 - You need big ports to make big horsepower
Rich Rohrich
Jun 23, 2014
Replies
21
Views
16K
Jan 2, 2021
Rich Rohrich
Sticky
Article
Motorcycle Myth #4 – Unleaded fuels make less power
Rich Rohrich
Jun 17, 2014
Replies
8
Views
8K
Feb 22, 2022
RM_guy
Sticky
Article
Motorcycle Myths : #1
Rich Rohrich
Feb 20, 2014
Replies
7
Views
7K
Jan 2, 2021
Rich Rohrich
Sticky
Article
Motorcycle Myth #2 Summoning the gods of combustion speed
Rich Rohrich
Jun 17, 2014
Replies
6
Views
5K
Nov 3, 2023
Rich Rohrich
Sticky
Article
Motorcycle Myth # 3 - Adding Mothballs to your fuel will increase the octane
Rich Rohrich
Jun 17, 2014
Replies
6
Views
9K
Jun 26, 2020
Rich Rohrich
Poll
"O" ring or non "O" ring chain?
a454elk
Mar 30, 2004
Replies
207
Views
45K
Apr 16, 2006
Jaybird
R
Getting an old bike to run
R E A L
Oct 12, 2004
Replies
156
Views
20K
Dec 2, 2004
mxmatthew
M
W
crank shaft tool help
war child
Jan 7, 2009
Replies
119
Views
15K
Feb 3, 2009
gregorious77
G
T
Switch from Pump to C-12
Txbigguy
Apr 5, 2002
Replies
108
Views
13K
May 17, 2003
shifting
S
R
Locked
pro-action or race-tech? help!
Rydog
Jun 18, 2002
Replies
100
Views
13K
Jun 25, 2002
Okiewan
Forks or Shock which is more important?
Jeremy Wilkey
Jul 21, 2001
Replies
99
Views
48K
Jan 4, 2011
pesky nz
P
Poll
Honestly, how long have you left yours in?
MikeT
Jan 22, 2003
Replies
96
Views
27K
Mar 27, 2006
KSHAFFER
K
S
JR50 2nd gear??
Skitspuce
Jun 11, 2003
Replies
88
Views
51K
Jul 26, 2010
rjp
R
M
Rocky, rooty trail settings.
MTRHEAD
Nov 6, 2000
Replies
86
Views
12K
Apr 14, 2007
MRW
M
Which MC FActory has the best "works" suspension.
Jeremy Wilkey
Jul 24, 2001
Replies
80
Views
52K
Apr 3, 2006
hillsNtrails
H
T
Cylinder Valves
terry hay
Nov 15, 2003
Replies
79
Views
13K
Sep 7, 2005
KTM-Lew
K
M
Affect of cutting slide?
Marklx
Jan 23, 2002
Replies
76
Views
17K
May 9, 2004
Chief
C
S
Which fork oil for '00 YZ 250?
sigar
Oct 2, 2000
Replies
75
Views
23K
Jun 3, 2002
slideways11
S
D
shim shuffle - KTM WP forks Part 2
drehwurm
Feb 17, 2001
Replies
73
Views
17K
Apr 28, 2001
marcusgunby
I
Need jetting help FAST !!!!
imlostagain
May 18, 2002
Replies
71
Views
16K
Jun 12, 2002
whyz
W
2008 KX250F Cam (scuffing)
IndyMX
Jan 4, 2009
Replies
70
Views
17K
Mar 26, 2009
Rich Rohrich
midvalve
Papakeith
Feb 17, 2003
Replies
70
Views
11K
Feb 6, 2004
WWR
W
T
PW 80 Hop-ups
TommyJ
Aug 24, 2003
Replies
68
Views
80K
Aug 19, 2009
uk pw80
U
Jetting questions, HELP
MikeT
Apr 9, 2002
Replies
68
Views
7K
May 29, 2002
MikeT
T
KYB twin chambers
terry hay
Dec 20, 2004
Replies
67
Views
28K
Apr 28, 2007
dishman
D
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