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.
Chop-chop
Bucking bar
Replies
1
Views
541
Chainlube
Chainlube
B
Hub size for 700c kent fixie?
Replies
0
Views
534
BilalCarroll
B
F
Jets
Replies
0
Views
521
Flathead
F
B
Hot rodding the HT ebook
Replies
1
Views
518
azbill
azbill
R
Carb selection
Replies
0
Views
510
Rusty_S85
R
Wevil Knievel
Porting and channeling "hack"
Replies
0
Views
501
Wevil Knievel
Wevil Knievel
Zephyn.bh1
Broken bolt stuck far in Moyer mount, help!
Replies
1
Views
495
Wrench
Wrench
Carcher
hlgh performance slide carburetor delorto
Replies
2
Views
489
Carcher
Carcher
D
Metal Bushings to make clutch have more grab
Replies
2
Views
481
Deleted member 35519
D
CuriousJojo100
Will a 48mm piston work in a 49mm steel sleeve cylinder?
2
Replies
12
Views
463
CuriousJojo100
CuriousJojo100
Anthony Barbosa
Installed reed valve and windowed my own piston yet the bike won't run.
Replies
6
Views
454
Nickt919
Nickt919
J
hi all merry xmas
Replies
0
Views
451
jem
J
Delta0413
Has Anyone Seen This Before? Could this CDI be insufficient?
Replies
9
Views
427
Whitewill1412
W
sherron82
Rmh exhaust pipe
Replies
9
Views
422
Chainlube
Chainlube
Delta0413
G2 REED VALVE problem
Replies
5
Views
414
Delta0413
Delta0413
mony0_3
Performance cylinder kit
Replies
7
Views
378
Nickt919
Nickt919
Delta0413
How many rpm do you think?
Replies
9
Views
319
Delta0413
Delta0413
CuriousJojo100
Thoughts of using 2 part putty as a way to decrease stinger tip diameter on f2 exhaust
Replies
4
Views
304
CuriousJojo100
CuriousJojo100
Delta0413
Damn guys, I can't increase my rpm count
Replies
8
Views
289
Sidewinder Jerry
Sidewinder Jerry
Delta0413
Please tell me this is normal
Replies
4
Views
285
robe
R
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