i have an xr 100 that i've had for about a year now and have alwas thought about turning it into a little stunt bike to mess around on. i have a few parts in mind that i want to get for it but i need to wait for the funds to get them. im thinkin about the 132 cc big bore kit from 50stunt http://www.50stunt.com/product_p/tbw9051.htm but i havn't found anything out about it. ive also looked at the 120cc bigbore kit from bbr http://www.bbrmotorsports.com/Produc...d=411-HXR-1001
im thinking more towards 50stunt because its cheaper and has a bit more power. im also thinking about getting tubeless rims and street tires but im not sure what kinds to get theres to many to choose from and havnt decided yet. I dont know what the best size to get though the stock front/rear is 19/16 ive herd people saying get 16's for the front aswell as the back but im not sure i have more parts in mind but im not sure about them yet any help from you guys would be greatly appreciated

 

im also going fab my own 12 bar and eventually get the rear hand break setup i just really need some help figuring out what other parts i should/need to get for it. i've tried to wheelie it but couldn't ever really get it thats why i'm thinking the big bore kit so it has a little extra power

 

you can always play with the gearing. like getting a bigger rear sprocket or smaller front. and i would say to go with 12" or 14" front and rear rims/tires. all engine parts from 50stint are good to go they are all from http://hondatrailbikes.com/index2.html

 

whats the best way to do the gearing i have seen acouple posts about it but still not very much info. i'm not sure where to look for them at and if i need a different size chain after i get new ones thanks

 

anyone know where i could find a 12" or 14" wheels with drum brakes i don't think i'm going to do a disk brake conversion for awhile

 

i found a site for the sprockets http://www.procycle.us/bikepages/crf100-xr100.html i was thinking -1 up front and like +2 in the rear. they have a 50 tooth for the rear but +4 seems like over kill and idk if it would harm my engine does anyone know what would be best. and also if my stock chain size would still fit or if i would need a new size im going to buy a new chain anyway for the sprockets. sorry for all the questions i just want to do this right and not order a bunch of parts that are crap or that don't work for my bike

 

-1 front and +2 in the rear is gonna end up being more gearing then jus +4 in the rear... for every tooth in the front you go down its almost like goin 3 up in the rear

 

would it be bad to go -1 front and +4 rear or do you think-1 +2 will be plenty

 

i would say either go with the -1 up front and +2 in the back or just +4 in the back.
for you wheels you should just get new rim and hd spokes and relace your stock hubs. and you and going to need longer chain if you add teeth!

 

how do i no if the new rim will fit my stock hubs

 

i think im going to get a stock crf/xr80 rear wheel which is a 3.60-14 and find a 14" front rim does anyone have any idea if this will be a good idea? and if it is what are some good rim options for the front im not sure what type of tires i can get for them either any help from you guys would be great even if its something little thanx

 

count the spokes on the front rim. then find a new 14" rim with the same number of holes for the spokes, then relace!