The scooter is powered by a 50cc air-cooled, four-stroke engine, offering reliable performance and excellent fuel efficiency. Its lightweight frame and low seat height make it easy to handle ...

but PGO believes the engines in the 125-150cc range could power its scooters. The good 'ol four stroke internal combustion engine has life left in it. Despite the fact that the world's oil ...

The 2011 MY Zuma 125 picks where the 50cc, 2-stroke Zuma left off ... but with a much stronger-pulling 124cc fuel injected, 4-stroke engine. Equally agile on asphalt and dirt, the Zuma 125 ...

We’re introduced to the traditional two-stroke diesel engine as thermally efficient but not smooth-running, and then the gas turbine as smooth but much more inefficient. The free piston engine ...

Aerox R is the coolest 2 ... stroke sports scooter ever built by Yamaha. Its race type R-series bodywork cuts the air like a knife and for super-responsive acceleration it runs with a liquid ...

While some draw the line between scooters ... the 50cc-class engine powering the Ruckus is an overhead cam design two-valve single cylinder with a 37.8mm bore, 44.0mm stroke, and 11.9:1 ...

You may have heard your car has a four-stroke engine, but you're not sure what that means. Why are there four? And what is a stroke, anyway? A modern gas engine most commonly uses pistons and a ...

The power stroke extracts work from these gases as they expand and force the piston to BDC. In the exhaust stroke, the exhaust valve is open and the combustion products are expelled from the cylinder.

Insure your 2004 E-TON for just $75/year.* #1 insurer: 1 out of 3 insured riders choose Progressive. Savings: We offer plenty of discounts, and rates start at just $75/year. OEM parts in repairs: We ...

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