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hello, I have decided to build a manual CVT for my next off road go kart. I have two different designs in my head, and will decide which one i am going to use soon. I plan on starting in a few months (once i am done working on my vehicles) Anyways, i am either using a design similar to that...

Will a spring loaded, stone type hone take off more material than a ball bottle brush type hone? I have to hone a couple engines including a gx390 and a 6.2l diesel, and want to take off the least material required for honing to enable the rings to sit properly. So, which would be better for my...

I was wondering, is there a way to tell the difference between the 14cc head and the 18 cc head?

i took the head off of my gx200 clone to swap in a gx160 head. I looked at the bore, and it looks perfect except for a pit near the bottom of the bore. could it affect anything?

this is my "home made" mini bike all of the info on it is in the video. Let me know what you think. http://www.youtube.com/watch?v=vGzXLtqSLjo

I just purchased a 6hp yanmar diesel clone for 125 dollars. It is from a generator, and has great compression, but there is one problem i see with it. The output shaft has no key-way. It has a little bit of taper at the beginning then goes like a regular output shaft until it is about flush with...

Hello, I have started to build a fairly simple go cart a couple of weeks ago, and decided to show all of you my progress. It is (hopefully) going to be powered by a Gx390 with racing cam, better springs, rockers, and motorcycle carb. I first have to get the engine honed, due to the fact that...

hello, Is this the place where mostly everyone buys their clone engines from? http://www.harborfreight.com/ Also, are they Lifan motors?