engine

an engine i worked on had a lot of rubber in the oil filter strainer down the front/bottom of the r/h engine case so i thought i had better check the clutch basket. it looked ok, but when i held the alloy basket, i could move the gear on the back forwads and backwards. that shouldn't happen...

How To Begin Racing Minibikes In Victoria This is a Public Draft *Mods please add replies do not edit the post. i will include that information later on Nearing completion, Please reply if i have missed out on anything or if you have anything to add :) With bikes getting cheaper, more...

I just picked this bike up for $50 it needed a front sprocket and chain and the swingarm bushings were shot but the engine runs and sounds great. I'm trying to figure out what size and make the engine is the serial is 139FMA. Also what size front sprocket should be put on this? The rear is a 37...

I recently took ownership of a Lifan 150cc Thumpstar. When I got it started it ran like a wet hairy dog. After the carb was cleaned it cleared itself and I managed to maintain a consistent idle. But.... Engine will NOT run with choke wide open. Just stops. So with choke left on, and you go for...

Got a PSTO in at workt he other day with a rattly engine, being a yx140 I thought the slinger bolt had come loose, so I pulled the case off and well I must say it was a lil messy. The slinger had fractured to the point it became separated from the crank and got jammed between the case and...

Hey Everyone. Been getting some good info and whatnot from this site so thought it was about time I singed up :action-smiley-003: anyway.. Tittle pretty much says it, when I try put the engine on TDC I can't get the T mark to stay on the marking on the crankcase, it sits on the F fine though. So...

Hi everyone, I bought a mini bike off a young lass at work who got into trouble (long story) for $100. Total noob, I need some help as I'm looking for some documentation/workshop manual. The engine has ASSASSIN on the side and PLG1 120c3 near the heatsink vane things. I can't see any other...

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, since a few days ago... after I leave my bike overnight and start it the next day and let it warm up with the choke on for 10 seconds and about 10-15 without the choke and then click into first gear and start riding and then when I turn the throttle in the higher gears the engine...

here is a rusty Jianshe Coyote PY80 i have just picked up it is a china copy of the world famous Yamaha PW80. i bought this one cheap, paid $110 for it as is it has been sitting outside on someones verandah for the last few years, and has developed a Tin Worm infection (surface rust) i...

The boy got home after a thrash about town, seems the FMR is playing silly buggers in second. He explains it that only in second it feels like its slipping then grabbing again. I would suspect the clutch but its only in second it happens and the clutch feels strong. Ive read a few posts...

Hi all just got me hands on a small pitty with 12 inch rims and a smaller farm compared to my yx 160 Bigfoot. The bloke I got it from said it was a pitster pro 160 r spec engine. I looked at the barrel and it's stamped z155. He said it came from dhz not sure if he's talking about the bike or...

hi guys, i am looking for a little advice here... i currently have a gpx 125 in my bike and am hungry for more but i cant decide on the tb version of the gpx i currently have or a 155/160 ho... i love the way my engine revs but im just not convinced that the gpx 125 engine dhz sell with the tb...

Here are the service manual's for a few of the bigger Daytona engine's Daytona TRex 150E 2V PDF Manual http://mypitbike.ru/downloads/Daytona150E.pdf Daytona Anima 150F 4V PDF Manual http://mypitbike.ru/downloads/DaytonaAnima150.pdf Daytona Anima 150FDX 4V & 150FLX 4V PDF Manual DAYTONA ANIMA...

Can you get lamps on loncin 110cc kickstart with switch, cause there is a empty connector. or is it just for battery and generator? Here is a piic to help out. [/IMG]

WANTED: GPX / Zongshen 160ho or 155z Bottom End CONDITION: New, or great condition with no bottom end faults (don;t mind if its an engine with a bad top end as I got a new cylinder, head and piston. PREFERRED PRICE RANGE: Cheaper the better as usual. Up to $250 perhaps? I have a few parts too...

just rebuilt my 125cc ducar motor got halfway through putting the whole thing back together and i realised it was making quite a loud ticking noise with every turn of the crank, i just replaced the fork selector because the previous one was bent, have i done something wrong? any help would be...

i have a ducar 125cc DJ154FMI and was wondering if there were any other gearboxes that would fit it, i cant find another motor for spares anywhere and no one sells the gearboxes anymore. any help would be much appreciated. cheers

Hey Guys I am interested in learning how to rebuild/upgrade engines. I found a video here that shows pretty well how to install a tb 88 kit: The steps seem easy to follow and I reckon it makes the process seem actually possible now lol: Part 1 <iframe width="640" height="510"...

alright so my mate wants to swap my yx140 big bore out of my nitrous for his zongshen 150 ? is it a good swap should i do it whats the differences? and which one is generally the better motor ? thanks guys it wasnt getting answered in the tech masters section so i thought id post it here :\...