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.
Delta0413
Windowed Piston?. Help
Replies
4
Views
652
GW's Motorized
GW's Motorized
D
This permantly fixed having to adjust back rim for tension
2
Replies
19
Views
1K
Wrench
Wrench
Carcher
hlgh performance slide carburetor delorto
Replies
2
Views
486
Carcher
Carcher
noah9988
Phantom 85 pipe suggestions
2 3
Replies
22
Views
5K
Deleted member 35519
D
W
Dyno testing 'performance mods'
127 128 129
Replies
1K
Views
69K
WillitBoost
W
J
Phantom 85 bottom/Avenger85 stock head/chop top smolik .v1 with v3 piston
2
Replies
11
Views
885
DAMIEN1307
DAMIEN1307
Jayraye39
BING !!!!! New carb same style
Replies
7
Views
1K
ImpulseRocket
ImpulseRocket
Kamikaze-GER
How to make a stock engine really powerful with one modded part in the engine
Replies
0
Views
797
Kamikaze-GER
Kamikaze-GER
GreasyChris
70cc Vertical Minarelli Time
2
Replies
11
Views
4K
younger1981
Y
GW's Motorized
Side gaping?
7 8 9
Replies
83
Views
6K
Jayraye39
Jayraye39
N
Sealed Bearings
Replies
1
Views
538
Wrench
Wrench
tombenn444
Strange sound
Replies
1
Views
657
Chainlube
Chainlube
Jayraye39
Quick guide to high speed 66cc
Replies
5
Views
1K
Jayraye39
Jayraye39
Jayraye39
Very effective DIY velocity stack $15
2 3
Replies
23
Views
4K
Jayraye39
Jayraye39
W
Ram Air Intake for NT/BoFeng/Speed carbs
Replies
1
Views
731
Chainlube
Chainlube
S
Exhaust for 4strokes
2
Replies
10
Views
2K
Nikoliki
N
Copygod69
Alternator And belt drive
3 4 5
Replies
49
Views
4K
SirLurksAlot
S
M
Anyone try these? Is it a good deal? (Expansion chamber with muffler)
Replies
6
Views
1K
cloakedvillain
cloakedvillain
W
DIY degree wheel
Replies
6
Views
789
Chainlube
Chainlube
Copygod69
Porting 49mm iron bore
2 3 4
Replies
33
Views
3K
Copygod69
Copygod69
Back
Top