I thought Id list a few ways in which you can gain some performance.
List of things to do.
- Quick way to gain power - Buy new engine.
- Change sprockets
- Race CDI
- Exhaust
- Carb, Manifold, Jets, Air Filter
- Big Bore/Tune Up Kits
- Cams
- High Comp Piston
- Head Work(Gas Flowed, Skimmed ect..)
- Valve Kits
- Crank
- Lightened Flywheel
- Inner Rotor Kit
- Oil Cooler
Can't think of anything else. Theres more things to do so added your ideas.
Here is a list of some company that would sell parts to increase the performance.
UK Pit Bike Sites.
OORacing.com
MonsterMoto
MiniBikePro
www.stompracing.co.uk
Motox-Collect
WestbankImports
Vendio Shop or
eBay shop
PitMonkeyLondon
CRF50 Shop
http://www.bensbikes.net/
American Sites.
www.minibikeoutlet.com
www.xr50.com/crf50xr50.html
http://www.crf50.com/
http://www.faster-minis.com/minibike_parts_xr50.html
http://store.tboltusa.com/
http://www.bbrmotorsports.com/Home/Home.aspx?s=true
http://www.twobros.com/Perf_Products..._Perf/XR50.htm
http://www.hondatrailbikes.com/catalog/
http://www.ahpminis.com/
http://www.powersportsstore.com/