For all of us with two wheels also

[NDSpeed]

Never got into Dirt bikes. Bought my first one two years ago. CRF450R, picked the front end up switching to third.

immediately thought, Yup. this is why never got into them.

 

[NashvilleTJ]

From a local Cars and Coffee last Saturday:

 

[OkieJoe]

Couple of pictures from this past Sunday at a British Bike Show I went to.

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I love the old Bonnevilles. I’m on the lookout for a new old style Bonneville (2008 or older) for a scrambler build.

 

[Apparition]

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[Apparition]

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[DavidBT]

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That's me every time I've tried to ride a motorcycle. That's why I stick to Jeeps. Haven't rolled or wrecked one yet.

 

[WestCoastDan]

That's me every time I've tried to ride a motorcycle. That's why I stick to Jeeps. Haven't rolled or wrecked one yet.

That's proof that you're simply not trying hard enough.

 

[Wildman]

 

[Wildman]

 

[WestCoastDan]

View attachment 622289

These bikes were probably stolen. Nobody that paid for a Harley touring bike would choose to do this with it.

 

[Apparition]

 

[WestCoastDan]

That guy's pretty good at being stupid.

 

[Wildman]

What you're seeing is a rare mechanical curiosity: a split-single two-stroke engine, also known as a "twingle". Unlike traditional twin-cylinder engines, this design features two pistons sharing a single combustion chamber and connected via a Y-shaped conrod to a single crankshaft journal. It looks bizarre, but there's method behind the madness—this setup offers improved scavenging efficiency by using one piston to control the exhaust port and the other to control the intake, reducing the loss of unburnt fuel.

Popularized in motorcycles like the Puch 250 SGS, the split-single aimed to blend the torque and power of twins with the simplicity of singles. Though eventually overshadowed by more efficient engine architectures, it remains a fascinating chapter in internal combustion history—a clever attempt to push the limits of two-stroke technology with minimal moving parts.

 

[Wildman]

 

[DB04RedJeep]

Him on the TZ750 was even more interesting.

 

[Wildman]

Him on the TZ750 was even more interesting.

He was fun to watch on just about anything.... I only ever read about him in magazines.

 

[Wildman]

On September 13, 1948, Roland "Rollie" Free set a U.S. motorcycle land-speed record of 150.313 mph at Utah’s Bonneville Salt Flats.
He made history by riding in just a swimsuit, sneakers, and a helmet to reduce drag after his leathers tore.
His daring run on a Vincent Black Lightning became one of the most iconic moments in motorcycling history, captured in a famous photograph.

 

[Wildman]

 

[alittleoff]

Or Mother Nature just smacked it with a Pride Flag.

 

[Wildman]

Or Mother Nature just smacked it with a Pride Flag.

That backfired on them...