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.
B
  • Sticky
Dellorto carby manual
Replies
2
Views
13K
Deleted member 12676
D
J
  • Locked
  • Sticky
jpilot's Gear Ratio Calculator -
Replies
4
Views
17K
CrazyDan
CrazyDan
D
  • Locked
  • Sticky
preventing power loss
2 3 4
Replies
38
Views
29K
Robert41
R
Q
  • Locked
  • Sticky
Re-jetting Your Carb, As Easy As 1,2,3 ( quarkdude )
2 3 4
Replies
38
Views
46K
quarkdude
Q
S
  • Locked
  • Sticky
Top Speed
32 33 34
Replies
335
Views
118K
DAMIEN1307
DAMIEN1307
max350
"appendix"
Replies
6
Views
1K
max350
max350
B
"boost bottle"
Replies
3
Views
1K
motorpsycho
motorpsycho
Clats97
"CNC racing cylinder head" big joke
2 3 4
Replies
31
Views
6K
Daniel stark
Daniel stark
D
"Fun" with sprockets
Replies
5
Views
3K
Edward
E
6blueoval9
  • Locked
"PureStock" Zeda80 build.
11 12 13
Replies
122
Views
10K
Stoneman
Stoneman
L
"True" Dual exhaust on a chinese 80cc
2 3
Replies
28
Views
11K
Lolokustoms
L
Brickyard
  • Locked
$$10 fender reinforcement for my Kent Bayside build
Replies
8
Views
3K
Frogslayer
Frogslayer
H
$25 expansion chamber works great!
2 3
Replies
24
Views
12K
Easy Rider
E
U
$6 proformance muffler
2
Replies
10
Views
4K
unraw
U
crowvise
$65 expansion muffler
2
Replies
17
Views
3K
back2theborstal
B
G
(CNS series 2), or older "Speed Carb?"
Replies
4
Views
1K
geebt48cc
G
J
  • Locked
1 piece jug third transfer, boost port, and more
2 3
Replies
21
Views
7K
DAMIEN1307
DAMIEN1307
autobo7
100,125,150cc big engines where can you get them?
Replies
7
Views
4K
ducatiluke
D
livingoodnathan
  • Locked
100cc lifan engine UPDATE THREAD. IT'S HERE!!!!
2
Replies
15
Views
6K
HeadSmess
HeadSmess
A
12 HP Liquid Cooled Pocket Bike engine $200
Replies
1
Views
4K
s_beaudry
s_beaudry
jimmeyphat0314
12v supercharger
Replies
3
Views
2K
HeadSmess
HeadSmess
CrazyDan
142/144f performance flywheel/mag combo
Replies
1
Views
641
CrazyDan
CrazyDan
O
14HP 2-stroke $395.00
2 3 4
Replies
30
Views
9K
anthony1973
anthony1973
P
14hp anyone?
Replies
8
Views
2K
nedwreck
N
D
18% More Power for Huasheng 142F with Exhaust
2
Replies
13
Views
4K
zean
Z
Back
Top