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I have a Lifan 125cc engine, Mikuni 26mm carb, with 7 hours on it, new everything. Had it professionally tuned before I put it away for the winter. It ran like a champ before I put it away. Started it up in spring, and rode it around, before noticing the sluggish/bogging throttle. Stopped the...

Hey guys! I have my brand new Lifan 125cc pitty with a Mikuni 22 carb. I have been running it with premium gasoline and recommended serving of seafoam. Being that it's a brand new engine, with less than 4 hours on it, can adding seafoam to the gas be a bad thing? My thoughts are that the seafoam...

I have been having a problem with my bars. I have the Pro Taper Twitch bars, witch are the low profile bars. The bars are 31 inches wide. Almost every time I go through a hair pin turn I get my knee smashed by the bar. I'm looking for some new bars that won't kill my knees. What should I get...

ITEM: 110cc Lifan Pit bike. CONDITION: Bought this used, not running, with no spark. Brand new rear shock, exhaust, CDI, wire harness, spark plug & wire, ignition stator, and flywheel. Basically everything electrical is brand new. Missing front brake. Rear brake is functional. It now runs...

Hello Tech Masters! I need some help. I installed my brand new Lifan 125cc engine into my bike yesterday and when I turn on the gas it flows right out of the carb drain and the air intake. The carb is a brand new, out of the box, Mikuni 26mm. I didn't adjust anything on the carb, simply because...

Hello I just got my Brand new Lifan 125cc engine in the mail today. I have never ran a brand new engine before. Anyone have any tips or advise? Like when to change the oil?(after the first hour of use?) What oil should I use? After the first start up how long do you let it warm up before taking...

Hey guys! I am purchasing a brand new Lifan 125cc engine for my pitty. (since I cracked the last one dropping it lol) I am purchasing the engine off ebay and I wanted to know what carb I should get. I had a mikuni carb on the last engine but I had to part it onto my other bike. I really have no...

Hello everyone! I have a Pit bike with a 125cc Lifan engine in it right now. I am going to be purchasing a brand new Lifan engine for the bike real soon, and was wondering how big I can/should go? Here is my bike as is. How big can you go without worrying about rubbing or any other...

Hello all, I was wondering how durable JB weld is on metal? I've heard positives and negatives about it, and was wondering if anyone had some "real world" expierence, useing it in a crank case. Here is my situation: I was pulling my engine out of my pit bike when the bike started to tip over...

Hello this is my first time on your forums. :) I have a 125cc pit bike. The engine is a honda clone, Lifan 125cc. The shift pattern is 1N23432N1. I recently took the engine apart and replaced the gear set and selector drum and forks. I put the engine back together and noticed that I do not have...