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
30,480
Clotho
Clotho

Normal threads

M
Center Stand?
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29
Views
5,482
MEASURE TWICE
M
T
How Do I Make My 80cc Go Faster?
Replies
34
Views
52,314
Rasor235
R
J
Best single bolt on mod
Replies
14
Views
1,942
Rasor235
R
A
..
Replies
0
Views
697
Alfa4c
A
D
StarFire GT4 66cc
Replies
4
Views
5,829
Matthewrkeller
M
Warphones
  • Poll
Reaching 50mph on 66/80cc
Replies
30
Views
3,952
Tyler6357
Tyler6357
bajaracer1
My first race bike build 212cc predator!
Replies
168
Views
78,456
indian22
indian22
M
Port matching case to cylinder
Replies
1
Views
796
Morbius18
M
breath_easy13
Removing Governor on 212cc, Oil sensor question -
Replies
5
Views
1,079
breath_easy13
breath_easy13
mrfubs
Stihl ms660 54mm project
Replies
24
Views
16,578
mrfubs
mrfubs
J
Engine Not Starting After Port Work.
Replies
16
Views
5,427
kelly dean
kelly dean
S
Bicylce-Engines expansion chamber
Replies
23
Views
9,301
kelly dean
kelly dean
M
Best overall 66 cc carb?
Replies
36
Views
22,138
BjevonT
B
P
Piston crown mod!
Replies
20
Views
12,341
FOG
F
Jeff J10
PLEASE HELP!!
Replies
15
Views
1,107
javy mcdees
javy mcdees
F
Low end power mods!
Replies
20
Views
20,005
Bossboots
B
A
Is my top speed of 25 MPH all it's got?
Replies
1
Views
935
indian22
indian22
S
How fast can your 49cc Really go?
Replies
60
Views
71,078
Sldgehmmr
Sldgehmmr
G
dellorto phbg 19mm carb from treatland tuning woes
Replies
26
Views
10,583
javy mcdees
javy mcdees
Nate&Brandi
What's the smallest rear sprocket you can/used? *story time with pics*
Replies
2
Views
1,236
zing
Z
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