flathead?

  1. B

    Charging circuit for 98cc Lifan flathead?

    I acquired a used Lifan flathead (side valve) engine, which I have installed on a bicycle (I know, not a minibike, but not sure where else to ask, figured you guys would know). I downloaded a doodlebug manual so I would know what type of oil to use and a couple other things. The manual shows a...
  2. J

    Motovox MBX10 with a briggs flathead?

    I'm new to the site, been looking on here for a while and can't find an answer. I placed an order for an MBX10 roller last night. Wondering if anyone has put an old briggs 5hp flathead in one of these? I can't find anything vintage, and I'm not ready to stop running the flatheads yet...
  3. freezerburn

    so whats the deal in power- ohv vs flathead?

    it seems that the displacements (cc sizes) and power outputs are fairly similar in Stock forms in regards to the two engine styles. please input your ideas as i am in the process of choosing a large engine to build a fat tire deep mud/ sand slinger for out in the tundra. but not...
  4. KB2ROCKET

    the largest flathead?

    who makes the largest single cylinder L head aka Flathead horizontal shaft air cooled industrial engine past or present? __________________ :confused1:
  5. L

    homedone mods for briggs 5hp flathead?

    I was wondering after hours of searching and not coming up with anything what are some mods you can do at home to a 5hp flathead without buying parts? I already am running a straight pipe, no gov, no low oil sensor, shaved the "eyebrows". besides raising the C/R what other mods are there to do...
  6. deezildennis

    Governor Removal on a 5hp Briggs Flathead?

    OK.....I'll admit I have never done it and now I have a few 5hp flatty Engines I Want to do it on. Whats the procedure? Just get rid of the Wind flapper in the shroud? Gut it and take the mechanism completely out? Yes I Know they could blow up. I'll take my chances. School...
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