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.
F
what mods work best?
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33
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7K
flyingpez
F
A
Ultra quiet 70 CC?
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33
Views
9K
Egor
E
F
Canister style expansion chamber
2 3 4
Replies
33
Views
12K
HeadSmess
HeadSmess
HeadSmess
DYNO eddy current brake. take 2!
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Replies
32
Views
7K
HeadSmess
HeadSmess
Poor boy
Carb upgrade vs stock NT
2 3 4
Replies
32
Views
5K
DAMIEN1307
DAMIEN1307
A
2 Speed Transmission
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Replies
32
Views
14K
5-7HEAVEN
5
GreasyChris
Weekend at the workbench
2 3 4
Replies
32
Views
5K
JerboaJohn
JerboaJohn
lowracer
2 Engines, 1 Bike....2WD...Ludicrous Acceleration
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Replies
32
Views
8K
rawly old
rawly old
tombenn444
Jack shaft issues
2 3 4
Replies
32
Views
4K
tombenn444
tombenn444
lazylightning@mail.r
  • Locked
Widening the intake port at the bottom
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Replies
32
Views
11K
2old2learn
2
G
Can we fabricate our own expansion chamber?
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Replies
31
Views
23K
Deleted member 12676
D
W
A possible increase in hp?
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Replies
31
Views
6K
HeadSmess
HeadSmess
D
rethinking expansion chambers
2 3 4
Replies
31
Views
6K
Deleted member 12676
D
D
efficient expansion chamber silencing
2 3 4
Replies
31
Views
10K
lazylightning@mail.r
lazylightning@mail.r
G
Homebuilt "Primary" Belt-Drive
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Replies
31
Views
14K
gone_fishin
G
W
Performance exhaust, photos please
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Replies
31
Views
9K
andyinchville1
A
J
TLE43 upgrades/power adders.
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Replies
31
Views
7K
ZnsaneRyder
ZnsaneRyder
Clats97
"CNC racing cylinder head" big joke
2 3 4
Replies
31
Views
6K
Daniel stark
Daniel stark
DieselTech
Timing
2 3 4
Replies
30
Views
6K
Chainlube
Chainlube
O
14HP 2-stroke $395.00
2 3 4
Replies
30
Views
9K
anthony1973
anthony1973
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