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Dirt bike mods, performance & tech info from Rich Rohrich & Eric Gorr.
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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 #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 # 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 # 3 - Adding Mothballs to your fuel will increase the octane
Rich Rohrich
Jun 17, 2014
Replies
6
Views
9K
Jun 26, 2020
Rich Rohrich
Engine Oils and Needed Ignition Timing
jaguar
Jan 6, 2024
Replies
5
Views
256
Apr 2, 2024
jaguar
The End of the 2 Stroke Guessing Game
jaguar
Mar 26, 2024
Replies
0
Views
24
Mar 26, 2024
jaguar
Poll
Looking for opinions on aftermarket plastics
MikeT
Mar 23, 2024
Replies
0
Views
37
Mar 23, 2024
MikeT
Help
what engines can fit into a Suzuki rm85 frame without much modification??
GGabe
Feb 22, 2024
Replies
0
Views
117
Feb 22, 2024
GGabe
T
Help
Jr50 1st gear mod on 78?
ThatKidAlex
Feb 18, 2024
Replies
0
Views
48
Feb 18, 2024
ThatKidAlex
T
A
The Famous Oil Ratio Test Article - Where is it ?
alongride
Dec 3, 2004
Replies
4
Views
7K
Feb 15, 2024
jaguar
2 Stroke Engine Oils + Combustion
jaguar
Feb 14, 2024
Replies
0
Views
62
Feb 14, 2024
jaguar
J
Carb Sync
JasonJ
May 12, 2004
Replies
8
Views
1K
Jan 5, 2024
The Digi Sync
2 Ways to Run Lean Although the Main Jet is Correct
jaguar
Jan 2, 2024
Replies
0
Views
103
Jan 2, 2024
jaguar
K
Help
Klx125 top end troubles
KTMkid
Oct 16, 2023
Replies
12
Views
359
Dec 20, 2023
Rich Rohrich
C
TPS, YZ250
casey_robert
Dec 19, 2023
Replies
3
Views
207
Dec 20, 2023
RM_guy
M
Is There No One That Knows How To Time A Dr100?
MICXSTER
Mar 15, 2004
Replies
6
Views
6K
Dec 13, 2023
nicole420
Engine Oil Combustibility
jaguar
Nov 22, 2023
Replies
0
Views
107
Nov 22, 2023
jaguar
N
do jet needles wear out?
Nevada Sixx
Jan 3, 2002
Replies
5
Views
3K
Nov 6, 2023
jaguar
Does More Oil = More Power?
jaguar
Nov 2, 2023
Replies
0
Views
261
Nov 2, 2023
jaguar
P
Please some help guys
PanosTsis
Oct 30, 2023
Replies
1
Views
118
Oct 30, 2023
RM_guy
2014 yz450f injector sizing for mod motor
blackbeard_lives
Oct 30, 2023
Replies
0
Views
114
Oct 30, 2023
blackbeard_lives
Selecting Engine Oil By Viscosity
jaguar
Oct 26, 2023
Replies
4
Views
436
Oct 29, 2023
jaguar
1
Cr 125 bogging down
125rider
Dec 6, 2002
Replies
6
Views
2K
Oct 28, 2023
get2bill
G
A
Which oil should i use?
appelkatapulten
Oct 13, 2023
Replies
1
Views
155
Oct 13, 2023
truespode
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