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Hey man thank you so much for the info. The barrel I have on the bike right now says "107cc" on it. The barrel I have to put on it says "120cc". I have a piston for it has a 13mm pin so I should be good. For heads I have the head for the "120" and a head for a "124". So witch should I use? I...

Hey man thanks for the reply. I measured the piston and head last night and they seem to be the same length as the ones on it. Also I found I had 2 brand new pistons with 2 different sized pins. So I hope one of them will work. How does one go about porting the head? Will it notice a...

Hey guys last night I picked up a 107 ssr pit bike from a buddy. He had put some inverted forks, mikuni carb and a aluminum mx style swing arm on it. In my buddy's shed I have a 125 and a 120cc motor torn apart. My question is can I put any of these parts on my bike? The head maybe? Would it be...

Thanks man! I just hope the red from the graphics looks good with the candy red frame.

Hey guys. Life got busy fast so I haven't been able to work on the bike to much but about a month ago I got the bike going and back together and have been riding the crap out of it. I really like the suspension set up on it. The only things I am gonna do next is mess with the air fuel ratio and...

I ordered one from t-bolt USA. It says it a high compression. Thanks for the sites man.

Thanks man. Today I got my new frame and plastics but I'm having trouble getting a piston with the right size wrist pin for the new crank. Got the engine and electrical mounted just didn't get a picture.

So I got my crank and clutch socket yesterday night so I went ahead and put it in. Here's the reason I needed a new crank. Here's the split cases And all back together. I think it took me about a hour to put the new crank in

I have a 10" wheel I could throw on it if I have to but I really like the 12-10 setup on the A-swingarm style frames. I also already have the new frame on the way so I wanna try to use it. Here's the frame btw. Comes with pegs, peg mount, brake lever, and some nuts and bolts for 130$ shipped...

Haha thanks lol I should explained that more. The crank was broken right behind the stator plate like the bike had fallen over and hit the flywheel. Also forgot to mention the had bent valves and a crack near the plug hole to I bought a new head too. I plan on building the damaged head later...

The falcon came with: Kenda Mudville tires front and back Mikuni carb Adjustable inverted forks Adjustable rear shock Rental bars (according to my freind so who knows) "Gpx" style lifan motor Chinese race cdi. I think this bike came with this all though?

Hello all. I've been on the forum for awhile and haven't really posted anything I have done myself but I have recently got a new bike that I am excited about. Ill show you some builds I have done before hand before I get started on my new build. Don't bash me to hard this is one of my first...

Ive always heard that with out a muffler you wont have enough back pressure and could harm your valves.

Sorry it took so long for me to get back with you guys. its been a crazy couple of weeks. Anyway I cleaned my carb and I had the correct jets and it seems to be running better now. I took the bike apart again to figure out this tranny issue. Heres a video on how it shifts... It doesnt seem...

Thanks for the info man and sorry about the mix up. Bout to go take the carb apart.

My67xr- thanks for all the help and links man. I really appreciate it. I found my problem in the running problem. The guy I got the bike from gave me a wrong woodruff key for the fly wheel and it had had some issues with timing because of it. I'm cleaning the carb again tomorrow and checking the...

Unrelated but I took it on about a thirty minute and ride and while skipping 2nd gear it did fine. After it warmed up though it seems to start spitting and sputtering and then I have to stop and after a few minutes I can start it and it will be fine. I need to repla e the plug but any other...

Yeah I did and doesnt seem worn at all. Thanks for the linky btw.

Well I just split the case and there is no messed up gears??

****... Is there a tutorals on how to do this? I can get it as far as taking the head, cylinder, and piston off but as far as splitting the actually case im lost.