pitbike

Gday this is a thumpstar frame that i'm currently building up from scratch, with help from a donor bike that i have been playing with beforehand. Thumpstar billet hunge frame YX140 full manual Nibbi throttle VM26 chinese ASV levers CRF50 plastics Woody graphics Miniracer bars 12"/10" wheel...

Hey, i have that question that I have two lifan 125cc engines and both engine numbers are 1P54FMI. I want to put a 140cc cylinder on one of them if it is possible. Are the strokes the same on the 125 and on the 140 or it is different? If different is it possible to lathe to size the 140 cylinder...

Hey, i have that question that I have two lifan 125cc engines and both engine numbers are 1P54FMI. I want to put a 140cc cylinder on one of them if it is possible. Are the strokes the same on the 125 and on the 140 or it is different? If different is it possible to lathe to size the 140 cylinder...

Hi I have a lifan pitbike engine which changes gears but after riding and shift normally when I shift down to first and come to a stop and look to find neutral the gears become stuck and do not change. Also hard to find neutral as it’s between first and second but it’s not very distinct as the...

I am buying a cheap hongdou pw80 tomorow, as a project. Looking to put a pit bike engine in it (M2r 110/125) but not sure wich engine would fit inside the small frame. I've heard that any engine that fits in the crf50 frames will fit. Has anyone else successfully attempted this? I know they r...

Hello, again! Sorry for a lot of threads but again new question! What chains do you guys use and what would be good? My Chinese chain is stretching out like crazy with my 155cc engine. I have taken look at DID420NZ3 and RK 420MXZ.

Hello,i am new here! I have asked this question in many forums like thumpertalk.I am thinking about getting YX160 or Z155HO.I dont know which one to choose.The engine goes in road/offroad bike with 17/41 gearing.The engine would be maintained properly with top ends and oils and valve...

Hi wanting to buy some decent forks for my Atomik Reign Bigfoot 160cc What’s would people recommend that I could get in Melbourne for a reasonable price. Thanks in advance.

So i have unsuccessfully wired my pitbike for a tail light. Im using a 12v pitbike R/R from ebay and am getting weak and unstable voltages. It is not rectifiying nor regulating. Here is a link to exactly how my system is wired. i got this link from vince at tboltusa. my bike has 2 yellow output...

I am wondering what style plastics would fit onto an SSR SR 150 if there is anything besides the OEM ones which are $189. I would rather not spend that since I only paid $300 for this bike which runs great but needs plastics and I just couldn't justify it. Anyone know any ebay kits that will...

Hey guys, new to the form trying to get into hobby. Recently purchased a fully disassembled and rust hunk of junk 125cc Chinese pitbike and over the last few months put it together no issues, with pretty decent success. having had that turn out i fingered i would get another project but...

Hey, Currently working on a Motovert rx125. I need to replace the tapered roller bearings in the head stem and cannot find where to buy any that will fit. The OD is 41mm and ID is 22mm for the top and 24mm for the bottom. The only bearings i could find with a 41mm OD were for a crf50 but...

Hey guys Nae here new to the group wondering if anyone could please help identify these chinese bikes? Blue one is a 125cc Green one is 80cc

Hi guys, I uploaded a lot of riding videos to YouTube and I figured I would share them here. Thanks for checking it out! https://www.youtube.com/watch?v=CK_xsBFp-nQ

Watch in 1080p *HD* Riding with my BucciMoto dirtbike, 190cc Daytona engine +CRASH - YouTube https://www.youtube.com/watch?v=7hNzc2T0p5Y&t Please subscribe to my youtube channel, means alot for me. Thanks for watching, i hope you will enjoy it :)

Hello! I have an Apollo rfz 125 that I recently purchased brand new. I went through and changed all fluids, spark plug, cleaned carb, and tightened every single freaking bolt. I am having issues with torque, I did a top speed test and I hit like 56-58mph each time. I want to pull wheelies in...

Hello everyone, Was just wondering I just brought a pitbike with a completely destroyed tire and I am wanting to replace it, the rear one.. The tire I am wanting to get is just a simple one with the following specs: 12 1/2 x 2.75 And I my old tire says 80/100 - 12 Will the new...

https://www.youtube.com/watch?v=PxKtkBGjp-w&t=5s P.S Sorry for that i posted in wrong place first time! :(

Mini MX - Estonia [BucciMoto CUP] - YouTube

I bought a china bike and the plastics are ruined, i knoe that its a crf50 clone with a 125 lifan in it, it has really strange plastics on it that seem to be rare, ive searched ebay Amazon literally every site and cant find them: / does anyone have the same bike or know if crf50 style plastics...