Performance Mods

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Motorized bicycle performance modifications. Carbs, porting, exhausts, expansion chambers, reed valves, boost bottles and everything to make your motorized bicycle go really fast.
D
Will a KTM,KX, or other 2 stroke 65cc dirtbike exhuast fit on my motor?
Replies
1
Views
701
Dougmcd87
Dougmcd87
CuriousJojo100
Will a 48mm piston work in a 49mm steel sleeve cylinder?
2
Replies
12
Views
381
CuriousJojo100
CuriousJojo100
Tom
Wild in the Streets Bike of the Month
2
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14
Views
4K
Tom Franks
T
A
Wild in the snow
4 5 6
Replies
58
Views
12K
Alaskavan
A
U
wild friction drive setups
Replies
7
Views
2K
jim_himself
jim_himself
lazylightning@mail.r
  • Locked
Widening the intake port at the bottom
2 3 4
Replies
32
Views
11K
2old2learn
2
S
Wicked fast-Crazy fast
Replies
7
Views
4K
Eco Speeder
E
H
why hasn't someone developed a nice fuel tank to fit in Schwinn cruiser frame?
2 3
Replies
23
Views
8K
Easy Rider
Easy Rider
2
Why complain about Fast Bikes.
2
Replies
18
Views
1K
210061741
2
W
  • Locked
whos got the best expansion chamber?
2
Replies
13
Views
8K
willfargo
W
a/c man
Who's using a Walbro Carb?
Replies
5
Views
9K
hayata
hayata
a/c man
Who's used the nitrous kit?
5 6 7
Replies
61
Views
18K
Steve Best
Steve Best
5
Who's Got A Quick(Not Fast) Bike?
2 3
Replies
22
Views
5K
dchevygod
dchevygod
shawnshank
Who has the fastest top speed?
39 40 41
Replies
400
Views
113K
CrazyDan
CrazyDan
Carl Walichnowski
Which Vendor/Forum Member Has Ported Pistons For Sale?
2 3 4
Replies
38
Views
3K
Street Ryderz
Street Ryderz
I
which rear shifter to use
Replies
6
Views
1K
insomniacshotrods
I
Wags
  • Locked
Which malossi wrist pin and bearing?
Replies
4
Views
2K
DuctTapedGoat
DuctTapedGoat
N
Which gauge spoke to use
2
Replies
18
Views
5K
FurryOnTheInside
FurryOnTheInside
Rin
Which exhaust for 2 stroke 66cc?? Need advise
Replies
4
Views
1K
Spare_Parts
Spare_Parts
Carlos motors
Which carb to use?
Replies
2
Views
577
GreasyChris
GreasyChris
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