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Hi I bought a new engine from HF but it turned out to be hemi. Tried to find non hemi guy over there tells me that now they are only sending hemi. I am switching the flywheel with magnets and coil for lights that were on my HF 212 non-hemi to this. The flywheel is of exact same size in diameter...

While riding the torque converter broke luckily cover was there to protect me. Now I am stuck with a broken nut inside the shaft making it impossible to replace torque converter. I am trying to drill.

I recently replaced the belt with this https://www.homedepot.com/p/STENS-New-OEM-Replacement-Belt-for-Hoffco-Comet-994-70-Hoffco-Comet-203589A-Hoffco-Comet-203589-Murray-12-8487-255-299/314222529 Now the torque converter I hear rattles when I turn on bike and I am not able to drive it fast...

I was riding today and bike was jerking and then the rear wheel locked up. I had to put in suv to take it back. I cannot even walk the bike. The wheel moves an inch and then it is totally locked up. Does anyone have any suggestions on what could be wrong? I am suspecting it is either chain...

Hi minibike freaks I have a minibike that starts jerking and I do not feel it goes the same speed it used to go before. When I stop at the sign and give throttle, I get a jerk and seems the bike front not keeping with the back. I have a torque convertor, rejet, air filter and racing spark plug...

Hi I am trying to put the led bulb in the headlight along with the rectifier. Anyone on here knows what is the exact match? Item: X98-0770 Baja Motorsports: 165-666 / MB200-150 https://www.vmcchineseparts.com/products/headlight-for-massimo-mb200-mini-bike-version-82...

I am trying to put brake light and tail light? Anyone know how to do it. Seems a tedious task to do it. The bracket below...

I have a predator 212 with a modified jet, autolite spark plug AR3910X, and air filter I am wondering what is the correct firing pattern? I have the tachometer at 1p2r equivalent to 4 stroke 1 cylinder. The RPM is at 4500 on idle. I am wondering if it is correct as I feel it is dangerous if it...

I tried hitting hammer and all but it didn't come off so i might buy https://www.harborfreight.com/three-jaw-puller-set-3-pc-63953.html I bought this but this didn't work...

I am trying to open the fly wheel tried to use screwdriver to hold the cup and wrench to turn. This thing doesn't get loose. I even smacked with rubber mallet and put wd 40. Next thing I will have to do is buy torque wrench.

I have massimo mb 200 and I did a mod of adding filter, new carburetor, torque converter, and 0.038 main jet. I had series of issue with original carburetor so bought new twice. First one had a lot of jerk and used to turn off. Now bought different one and put the 0.038 main jet. The RPM is too...

I am not able to unscrew the crank after trying for hours. I have a socket wrench that fits the head but when i rotate the clutch plate rotates. I can stop the clutch plate front from rotating but not what is behind.

I have this wierd noise on throttle. Is anything loose or something. I am concerned for safety. Is it normal. It turns off after a while and not start. Is it low fuel or carburetor issue or spark plug. I tried to look at carburetor and got the fuel pipe off. Now I can't put it back because it...

Questions about moding Massimo Warrior 200 Beginner Hi guys new to this sub had been looking on it before I decided to get the mini bike. https://www.massimomotor.com/MB-200 I have few questions on mods. I want to mod the bike but do not want overly complicated altering like grinding, welding...