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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Warning to all about performance mods to your motorized bicycle
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1
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29,862
Clotho
Clotho

Normal threads

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..
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0
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380
Alfa4c
A
D
StarFire GT4 66cc
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4
Views
5,633
Matthewrkeller
M
Warphones
  • Poll
Reaching 50mph on 66/80cc
Replies
30
Views
3,022
Tyler6357
Tyler6357
bajaracer1
My first race bike build 212cc predator!
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168
Views
76,356
indian22
indian22
M
Center Stand?
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21
Views
4,481
indian22
indian22
M
Port matching case to cylinder
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1
Views
574
Morbius18
M
breath_easy13
Removing Governor on 212cc, Oil sensor question -
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5
Views
639
breath_easy13
breath_easy13
mrfubs
Stihl ms660 54mm project
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24
Views
13,844
mrfubs
mrfubs
J
Engine Not Starting After Port Work.
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16
Views
5,179
kelly dean
kelly dean
S
Bicylce-Engines expansion chamber
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23
Views
8,682
kelly dean
kelly dean
M
Best overall 66 cc carb?
Replies
36
Views
21,358
BjevonT
B
P
Piston crown mod!
Replies
20
Views
11,127
FOG
F
Jeff J10
PLEASE HELP!!
Replies
15
Views
1,015
javy mcdees
javy mcdees
F
Low end power mods!
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20
Views
18,605
Bossboots
B
A
Is my top speed of 25 MPH all it's got?
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1
Views
697
indian22
indian22
S
How fast can your 49cc Really go?
Replies
60
Views
68,845
Sldgehmmr
Sldgehmmr
G
dellorto phbg 19mm carb from treatland tuning woes
Replies
26
Views
9,803
javy mcdees
javy mcdees
Nate&Brandi
What's the smallest rear sprocket you can/used? *story time with pics*
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2
Views
1,045
zing
Z
C
What size carb should I use?
Replies
7
Views
1,530
Jimmy Bloodmaker
Jimmy Bloodmaker
Mike_Honcho
Removing welch plug HuaSheng 49cc 4 stroke
Replies
11
Views
1,232
Tom from Rubicon
Tom from Rubicon
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