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    NOS Tecumseh HS40 For Sale

    Bump. Still available.
  2. U

    Clinton A490 Panther

    Terry was right! The points that were in it were burnt, they were likely the original ones and had Clinton stamped on them. I installed and gapped a set of Tecumseh points, and the engine runs great!
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    Clinton A490 Panther

    I appreciate that Terry. I sent you a PM.
  4. U

    Clinton A490 Panther

    Currently at 0.6 ohms on the primary winding and 4.62K-ohms on the secondary winding.
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    Clinton A490 Panther

    Just pulled the mag and coil off.
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    Clinton A490 Panther

    Terry, do you have a source for OEM ignition coils or something bolt-in that's not too difficult to modify?
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    1968 Tecumseh H50 "Hot Rod" Build

    Well, the rings I put in the go-kart HH60 got ruined because I ran a synthetic oil that says "Not for engine break-in" right on the bottle. It ran fine at first, but started smoking worse and worse, so I ordered the same set of rings from the same seller on ebay. I explained why I bought...
  8. U

    1968 Tecumseh H50 "Hot Rod" Build

    Does anyone have a recommendation for stiffer valve springs for my medium frame Tecumsehs?
  9. U

    Mystery ‘68 Rupp Build

    I'm trying to get more RPM out of my H50, does anyone have a recommendation for stiffer valve springs? Cam is an H70 MCR cam.
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    My first Rupp.

    For me, they're better, since I have several Rupps and can take a different one for a ride every day. Can't do that with a wife or girlfriend!
  11. U

    1968 Tecumseh H50 "Hot Rod" Build

    Yessir.
  12. U

    NOS Tecumseh HS40 For Sale

    NOS HS40 for sale. Never been used, never had oil or fuel in it. In wonderful shape, looks to be a 1983 year of manufacture. Perfect for your minibike! Will run great, but looks good enough for a display bike. Comes in the original Tecumseh box, ready to ship but would prefer a local sale. If...
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    1968 Tecumseh H50 "Hot Rod" Build

    I used a piece of sandpaper to give it as good a crosshatch as I could manage by hand. Moot point, because I actually ended up putting another set of rings in, because it turns out the set I had put in there previously were used. This time, I found a 3-stone hone and gave it a good...
  14. U

    Clinton A490 Panther

    Shockingly even with my 350 pounds it works great! My much lighter nephew took it for a ride and says it's much faster; for me, it's about the same speed-wise, I just like the RPM change when it shifts.
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    1968 Tecumseh H50 "Hot Rod" Build

    So I put fresh rings into the electric start HH60 that's on my go-kart. It already has a Motorsports billet rod and a Dell'Orto, but it burned oil and I've never looked at the rings. Haven't ridden it yet, but it seems to smoke less on the bench already. I have a 0.010 over piston/ring set if...
  16. U

    Fox Doodlebug 2-Speed Conversion

    My clutch setup is a Fairbanks-Morse style. I've never worked with the Comet style, the clutch shoes being rotated directly by the chain just seems odd to me.
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    Fox Doodlebug 2-Speed Conversion

    I painted the Clinton Panther on my Fox with some engine enamel that I had laying around. Since it's likely the engine is from the 50's, I think it's an appropriate color.
  18. U

    Your first mini bike and it’s good stories

    The Carlisles are actually originally from my Rupp TT-500 (probably originally an XL-350 or 500). The Fox originally had diamond-tread Goodyears, but I got rid of them when the sidewall cracked so bad I could see the inner tube!
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    Your first mini bike and it’s good stories

    I too, have an adulterated Fox; though in my case it's a '65 Doodlebug. I put a Clinton Panther and 2-speed on it. It was my first minibike! The neighbor teenagers dropped it off for free, it was crusty and old and had a 6B-S Briggs that didn't run. I sold it a while ago, then I missed it, so...
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    Mystery ‘68 Rupp Build

    Put this experimental lighting coil I cobbled together from old parts on the TT-500. Two coils in parallel for the headlight/taillight, and another coil for the brake light, each with their own diode bridge to rectify the AC to DC. Took a long time to get it to get spark and actually run, but...
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