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22 Μαρ 2015 · An engine is oversquare or shortstroke if its cylinders have a greater bore (width, diameter) than stroke (length of piston travel). An oversquare engine is generally more reliable, wears less, and can be run at a higher speed.
Here to help with all technical and practical problems of the m96/m97/9A1 engines.
RB Racing's Internet Calculator for Harley Davidson V-Twin Engines.
4 Σεπ 2019 · To power its muscle bike, Harley developed a water-cooled, DOHC 1,131cc 60-degree “V2” engine in collaboration with ze Germans.
18 Απρ 2020 · But this ‘Revolution’ engine was water-cooled and had dual-overhead cams—both Harley-Davidson firsts. It also revved to 9000 rpm, Autoweek reports . And to prove the engine was reliable, Porsche subjected to its Düsseldorf Test, which required running the V-twin for 500 hours straight.
With a DOHC valvetrain and electronically controlled fuel injection, the VRSC-series Harley with its four-valve engine put out up to 120 hp.
9 Οκτ 2002 · 1) The long stroke cranks on the early motors were 70.4 mm's versus the short stroke 66mm's. This represents roughly a 7% increase in length of the crank throw, so I guess the long stroke motor should make 7% more torque for a given force on the piston.
