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.
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Power up with Nitro Fuel
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lazylightning@mail.r
lazylightning@mail.r
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Reed valve with extended intake
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92
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Fabian
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konix shiwa
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this top end got skills !
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140
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Steve Best
Steve Best
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Is the 36 tooth sprocket really worth it?
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27
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21K
radrob
radrob
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do shift kits make you go faster?
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21
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2old2learn
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Has anyone adapted motorcycle wheels onto bicycles?
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28
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20K
ImpulseRocket
ImpulseRocket
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Begin the Madness... 6.5hp Motorized Bike 162cc :) "Upd
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81
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20K
SlicerDicer
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Making third intake on 66cc.......................
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82
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geebt48cc
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rse reed valve drill holes in piston or raise the piston skirt and extend intake port
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JCBreeze
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Jaguar CDI upgrade
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38
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19K
Pablo
Pablo
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Crank Balancing revisited
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60
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HeadSmess
HeadSmess
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Mikuni 18mm carburetor
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23
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Guest-469946
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Tecumseh 2 stroke Mods
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tacoshell4
tacoshell4
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crankcase compression ratio
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20
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Ivan H
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32 Tooth High Speed Sprockets - What's the right gear ratio?
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20
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Egor
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Stingray Chopper Man
Dio reed oko 21mm carb
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59
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18K
Doug m
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Supercharged 2-stroke engine
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47
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18K
Fabian
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Tyler6357
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Simple Reed Valve
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60
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18K
inspectorcritic
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Mini Trailer Motorized Bike Pusher
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36
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18K
ZnsaneRyder
ZnsaneRyder
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Porting a china girl
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65
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ben4221
ben4221
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