problems

hi all ., by no means am I trying to take anything away from this site .. but sometimes folks have questions about stuff with four wheels like vintage go karts .. and the vintage kart site is the best thing goin for just that ... anyways theres been a lot of questions and problems with...

Hello my name is Kyle Saletta and i have bunch of questions I would like to ask. I was wondering if on my next engine I should buy a gx200 clone to mod rather than a predator 212cc (old style) which I have now. Mods: Top plate Walbro pump (pulse inlet in valve cover) Breather (no catch can)...

Can you guys help me out with a few things I'm running a very good jetting for my set up Billet rod +10 Arc flywheel Black mamba cam Flat top piston 26lb springs 1.1 ratio champion shaft rockers Custom header 22mm mikuni Jet sizes are 130/17.5 Head is stock What could be...

A good friend of mine and long time supporting member of OldMiniBikes (paul h) is having problems getting on OldMiniBikes. He had some computer problems and all of his "cookies" were lost. This made him have to remember all of his old passwords for logging into every forum he was a member of. Unfortunately...

Newbie problem... At high speeds my chain throws, wtf? I've got it tight enough, everything is lined up.... Chain is ok it's not a new chain but.......it works any ideas? Only at High speed...I can almost tell when it's gunna throw I can like hear some crazy :censure: underneath me...

Hi guys my Hs 50 has problems with a cold start.. It take over 20 pulls to get started the first time.. Once it is started it runs great and when warned up it will start first pull.. Any ideas?

Hey I picked up this new mini with a bad motor the piston rod is broke and there's a mean crack in the head. What I know about this engine is that its a 3.5 tecumseh. Does anyone know if the 3.5hp carb is interchangeable with 6hp Tec engines.

I got my clutch and chain today so time to set up the motor got everything connected put oil and gas in the bike and the pull start will not pull any ideas thanks

Bought a baja mini bike a couple of months ago and just got around to putting it together now. I have everything together and the bike runs but the throttle doesnt work. The bike will only move if the choke is turned off.(The manual said that to the right is off?) When move the choke it acts as...

picked up a 72 ct 70 3 speed it shifts up fine it seems but when i go to down shift it wont do anything it will stay in its higher gear an then if i tinker with it i can get it to down shift is that something i will need to split the cases for or could it be an adjustment could it be a...

ok I have built another 212cc I have got a aluminum flywheel on it haven't put rod or nothing in it just have removed the Gov. and have installed a gx390 carb but before I put the gx390 carb on there I had this issue I got now. when Im at a dead stop in I floor it its takes of pretty good...

The new carb just came in and the engine started up on a few pulls, ive been playing aroung with jet sizes and i cant figgure out what in the world to do. its idling kinda high and i cant get it to idle any lower without shutting off. And when i open up the throttle, it revs up for a quick...

Hello im ne to the forum but i figured maybe there someone out here that could help me. I have a 212 predator that has been working quite well for the past few weeks. but recently i put a new header and air filter on it. After re-jetting the carb it wouldnt start. After taking it up to my uncles...

I just got my predator running again, it's compleatly stock as of now but it wail not run anywhere under half choke and it's backfiring bad also, it did sit for a wile with gas in it, what could the problem be?:confused:

I have a mini bike that had the scrub brake removed for a jackshaft. I put a 4 3/16 band brake on my mt clutch and have issues with the brake grabbing on to the clutch. The brake barely works and stops my engine at times. I have to adjust the idle very high to make the bike run and feel the...

Hello. I have a mini bike with a new Predator 212 stock. I broke it in 40min idel and changed the oil then got about 4+ riding hours before full throttle. It ran great the whole time except start ups and that's why I got a gx140 e-tube and .36 jet. I put that in along with a uni air filter and...

Now I just torn down the head of my predator motor (Which I hate!!). Because it wasn't running correctly it would idle then dye after it was give more gas with the choke open and the engine hot. The motor has been sitting for a while and I started it and let it idle every now and again. So...

i have an old sunl atv eithout spark most of the wires are cut and i ddo not know where thay go please reply if you need a picture please let me know:thumbsup:

I got one of the first predators (one without the tube on top of the gas tank) I put a header and air filter kit on it but it will only run on choke and just dies out when I put it on run I know I might need to jet the carb but how much should I jet it

Well i have put a comet 30 on the super powell , and it doesn't work worth a damn . The problems . It launches great goes up to 4100 or so and then starts to decline , and settles in at 3180 and stays right there . The motor will not pull past 3180 and this is a motor the screams past...