Performance Mods

Post thread
Motorized bicycle performance modifications. Carbs, porting, exhausts, expansion chambers, reed valves, boost bottles and everything to make your motorized bicycle go really fast.
Crobo
air filter
Replies
2
Views
2K
Dilly Bar Rob
Dilly Bar Rob
a/c man
Rear axle damage with with shift kit?
2
Replies
11
Views
5K
abikerider
A
a/c man
Super cheap expansion chamber
Replies
3
Views
3K
james65
james65
S
5hp Briggs and Straton Racing Kart Motor
2
Replies
17
Views
9K
Hawaii_Ed
Hawaii_Ed
2
A Story Of 4 Different Carbs
Replies
7
Views
2K
210061741
2
2
Riding Rich "The Latest Build"
Replies
5
Views
2K
210061741
2
2
All about crankshafts
Replies
5
Views
1K
210061741
2
2
Riding Rich Mainbearing Comparison
Replies
2
Views
1K
210061741
2
2
A reviev of Wrist Pin Bearings
Replies
7
Views
2K
Fabian
F
S
Supercharged 2-stroke engine
3 4 5
Replies
47
Views
18K
Fabian
F
Hawaii_Ed
New performance bike build
6 7 8
Replies
78
Views
17K
happycheapskate
happycheapskate
james65
Different exhaust setup
Replies
6
Views
1K
panheadman
P
M
Nitrous NOS
6 7 8
Replies
77
Views
23K
bloodeagle
B
C
Help With CNS Carb!!!
Replies
1
Views
1K
swifty
S
J
raw motorbike easy auto chain tentioner and expansion chamber exhaust
2 3
Replies
25
Views
7K
joey d
J
vcain
  • Locked
engine tweeks to increase hp
4 5 6
Replies
55
Views
24K
speedracer831
S
MotoMagz
BAFFLED w/Grubee 4 stroke long pipe
Replies
9
Views
4K
MotoMagz
MotoMagz
M
Can you produce steam from a 2-stroke exhaust pipe?
Replies
7
Views
2K
happycheapskate
happycheapskate
AussieSteve
HT Exhaust Mod Feedback
2
Replies
12
Views
9K
happycheapskate
happycheapskate
E
RockSolidEngines billet head.
6 7 8
Replies
74
Views
15K
AussieSteve
AussieSteve
Back
Top