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  1. #21
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    Quote Originally Posted by Comingapart View Post
    thats what i was thinking as i read the post. we always swiped old garden tiller motors for our go-karts...
    I assume a mini bike uses the same centrifugal clutch setup?
    All the motors I've used are all centrifugal clutch setups. My first go at a mini bike when I was a kid was taking the motor off my dads lawnmower and trying to hook it up to my bike. Haha!
    If you run into problems with old motors the box motors at harbor freight usually fire right up and are pretty decent for the cheap pieces of shit that they are. All set up for centrifugal clutches too. I put one on mine because the tecumseh gave out on me.

  2. #22

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    I had the itch... it has been neglected....
    Click image for larger version. 

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    It started life as a Heathkit Boonie Bike.
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    Click image for larger version. 

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    It now has a Kawasaki 9hp motor that came from a little wonder blower! The wood chipper could be next...

  3. #23
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    New 212cc engine. needs brake lever and cable.
    Never had a mini bike but spent hrs. on my cousin's Bird and my friends Rupp. Good times.


  4. #24
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    Nice! those pred 212 fucking go on those tiny bikes.

    I need new brake and throttle lines, its been sitting in my shed neglected.

  5. #25
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    There is a whole cult following on those HF Predator 212's. Lots of aftermarket parts. You can go mild to wild hopping one up.

  6. #26
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    Theyre not bad, I have the 79. If you catch them on sale you can usually get the 212 for $99.

  7. #27
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    What's a 79?
    After a little digging I found out these are a Honda clone but there is a clone of the clone too. There are two versions of the 212.
    Luckily I got the good one.
    There are more details to work out then I thought. Including that you can't take off the gas cap because the frame rail is right above it!
    It's a really fat cap and I'm hoping one of my spare low-profile caps will work.

    Do they make a good throttle linkage set-up (Predator) for a mini bike cable?

    KevinN - I see some crazy hop-up stuff including con-rods and flywheels

  8. #28
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    Lots of info on old mini bikes dot com. There is threads on the throttle linkage. The guys who remove the governor run the billet flywheels and con rods. I haven't run one of these engines myself but have a "hemi" version new in the box. I have an Evo project to finish before I get to it.

  9. #29
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    HF makes a 79cc version too. If i remember correctly Im pretty sure I got all the throttle linkage from
    www.ombwarehouse.com
    Not sure if they still stock all the stuff for preds, it was a few years ago.

  10. #30
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    Mine is the Hemi 212. I may have to put in a jackshaft as the engine is too far right.
    Is the 79 a four stroke?
    Last edited by hillcat; 12-27-2018 at 2:58 PM.

  11. #31
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    Quote Originally Posted by KevinN View Post
    Lots of info on old mini bikes dot com. There is threads on the throttle linkage. The guys who remove the governor run the billet flywheels and con rods. I haven't run one of these engines myself but have a "hemi" version new in the box. I have an Evo project to finish before I get to it.
    You *can* remove the governor on a stock engine and run it that way, with a high flow air filter and pipe and it will run much better than out of the box. The key here for safety is don't swap out the valve springs... The stock springs will not allow you to rev high enough to fragment the stock flywheel, at least in my experience.

  12. #32
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    Why was the name of this thread changed?

  13. #33
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    Quote Originally Posted by ForeverRaw View Post
    Why was the name of this thread changed?
    Not sure what happened for a day it was named "tty tty yet itty" or something like that, then it turned into this.
    I believe only Mods can edit thread names.

  14. #34
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    Came across this gem, not much for off roading though. Click image for larger version. 

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  15. #35
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    Quote Originally Posted by klondikekid64 View Post
    Came across this gem, not much for off roading though. Click image for larger version. 

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    That's a sweet find! Gonna restore it?

  16. #36
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    Quote Originally Posted by klondikekid64 View Post
    Came across this gem, not much for off roading though. Click image for larger version. 

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    That is sweet! Were they called a "Grasshopper" or something?
    Yeah, I'd be careful taking it off any kickers.

    Today I ordered throttle, linkage, cable.
    Brake lever, cable, grips.
    All from OMB, thanks for the tip.
    I sprang for the nicer throttle/grips, more like the Rupp grips. I don't care for the waffles.
    Came up 7cents shy of free shipping... DOH!... How the frick do they do that?
    So I added in a valve stem tool.

  17. #37
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    Quote Originally Posted by ForeverRaw View Post
    Why was the name of this thread changed?
    Maybe because it referred to bikers - mini bikers, not bikes - mini bikes?

  18. #38
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    Quote Originally Posted by klondikekid64 View Post
    Came across this gem, not much for off roading though. Click image for larger version. 

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    That is killer, I love the tank on the back!

  19. #39

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    Kinda looks like a Doodlebug?

  20. #40
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    Originally Posted by ForeverRaw
    Why was the name of this thread changed?
    Because it was meaningless stupidity irrelevant to the very cool subject.

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