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.
a/c man
Who's used the nitrous kit?
5 6 7
Replies
61
Views
18K
Steve Best
Steve Best
C
  • Locked
How do you do the cut muffler mod?
Replies
6
Views
18K
Deleted member 12676
D
J
Engine Horsepower?
8 9 10
Replies
93
Views
17K
Mountainman
Mountainman
lazylightning@mail.r
Super wide range torque pipe from Jaguar is a technological breakthrough
6 7 8
Replies
71
Views
17K
lazylightning@mail.r
lazylightning@mail.r
F
Balancing Happy Time style 70cc Crankshaft
2 3 4
Replies
36
Views
17K
Purple Haze
Purple Haze
G
  • Locked
Muffler Size = More Power?
2
Replies
10
Views
17K
Deleted member 12676
D
A
Bicycle Jet Engines for sale!!
6 7 8
Replies
73
Views
17K
JE
J
Hawaii_Ed
New performance bike build
6 7 8
Replies
78
Views
17K
happycheapskate
happycheapskate
A
2-stroke/single-speed...operation for topend performance?
7 8 9
Replies
89
Views
17K
augidog
A
MAFirst4
Racing CDI installation help!
2 3 4
Replies
38
Views
16K
Deleted member 12676
D
G
NGK or E3 Spark plug?
2 3
Replies
21
Views
16K
craigcrowley
C
G
Auxiliary Fuel Tank for Diaphragm Carburetors
4 5 6
Replies
52
Views
16K
augidog
A
A
66cc porting
2 3
Replies
21
Views
16K
lazylightning@mail.r
lazylightning@mail.r
ZnsaneRyder
  • Locked
BIG Engine Club
3 4 5
Replies
40
Views
16K
lovehamr
L
A
Lightweight 70 CC DIESEL!
2 3
Replies
20
Views
16K
Douglas65
D
H
Mini Turbo
5 6 7
Replies
60
Views
16K
Parah_Salin
P
Dave FZ1000
Balanced Crank?
5 6 7
Replies
69
Views
16K
Street Ryderz
Street Ryderz
6blueoval9
  • Locked
Stock NT carb (Modifications Guide)
2 3 4
Replies
37
Views
16K
Steve Best
Steve Best
Rileymoto
  • Poll
Over 40mph Club
6 7 8
Replies
72
Views
16K
Street Ryderz
Street Ryderz
Will'smotobikes19
Thinking of modding my 79cc
5 6 7
Replies
66
Views
16K
youngchap
Y
Back
Top