High Performance Bicycle Engine Tips and Motorized

We all want our bicycle engines to push our bikes faster. Get exclusive engine modification tips and suggestions from us. Also check out some of our racing members builds

Sticky threads

Dave31
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  • Sticky
Warning to all about performance mods to your motorized bicycle
Replies
1
Views
33,695
Clotho
Clotho

Normal threads

R
Velocity stack= good, bad or ehhh?
Replies
1
Views
299
Venice Motor Bikes
Venice Motor Bikes
Backwoods1989
Running E-85 Ethanol in my 66cc
Replies
8
Views
1,520
Sidewinder Jerry
Sidewinder Jerry
J
Best single bolt on mod
Replies
16
Views
3,775
Chad_Broski
Chad_Broski
mapbike
Simple Crank Balance Method
Replies
4
Views
1,943
Greg58
Greg58
M
Center Stand?
Replies
30
Views
8,891
MEASURE TWICE
M
A
Where to start project
Replies
3
Views
738
aqua zombie
A
Denis Zen
Should I ask my friend who owns a machine shop to build this?
Replies
14
Views
1,498
Denis Zen
Denis Zen
T
How Do I Make My 80cc Go Faster?
Replies
34
Views
64,705
Rasor235
R
A
..
Replies
0
Views
1,057
Alfa4c
A
D
StarFire GT4 66cc
Replies
4
Views
6,631
Matthewrkeller
M
Warphones
  • Poll
Reaching 50mph on 66/80cc
Replies
30
Views
9,534
Tyler6357
Tyler6357
bajaracer1
My first race bike build 212cc predator!
Replies
168
Views
88,488
indian22
indian22
M
Port matching case to cylinder
Replies
1
Views
2,383
Morbius18
M
breath_easy13
Removing Governor on 212cc, Oil sensor question -
Replies
5
Views
2,790
breath_easy13
breath_easy13
mrfubs
Stihl ms660 54mm project
Replies
24
Views
29,500
mrfubs
mrfubs
J
Engine Not Starting After Port Work.
Replies
16
Views
7,449
kelly dean
kelly dean
S
Bicylce-Engines expansion chamber
Replies
23
Views
11,835
kelly dean
kelly dean
M
Best overall 66 cc carb?
Replies
36
Views
25,675
BjevonT
B
P
Piston crown mod!
Replies
20
Views
17,724
FOG
F
Jeff J10
PLEASE HELP!!
Replies
15
Views
1,988
javy mcdees
javy mcdees
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