Daily motorbike news, views & reviews
An Australian-designed clean two-stroke motorcycle engine could soon become a reality after attracting the interest of a Melbourne-based investor group. Sydney-Based inventor Basil van Rooyen says his Crankcase Independent Two-Stroke (CITS) engine meets tough emissions requirements as it eliminates total-loss lubrication. Investor interest “I have some investor interest which is at their lawyers now for an …
Kawasaki has plans to develop a range-extender hybrid with a supercharged two-stroke, four-cylinder engine charging a battery that powers an electric motor driving the rear wheel. It seems like a clever idea. They call it a range-extender hybrid because the fossil-fuel engine doesn’t directly drive the vehicle. It’s not an original idea, though. The cheap …
The owner of 20-odd Suzuki two strokes from 80cc to 500cc is seeking a new home for the collection so the public can also enjoy them. Neil Batterham, 58, of Highfields, is hoping a cafe or shop owner in the region with good security can display the bikes. Click here to send Neil an email …
Who remembers the zzzing of an old two-stroke Czech CZ trail bike? For the holidays we are launching a series of articles about our readers’ first bike. Just click here to send photos and details. We start with this article about an old Czech CZ trail bike from London reader Martin Welsh, 55, who says he hasn’t …
Imagine taking the Ducati desmodromic valve system and adding electronic control that provides brief bursts of two-stroke power! The result could be a motorcycle engine that delivers great low-down torque as well as high-end power, without compromise. British company Camcon Automotive has produced just such an engine. They claim their electronic Intelligent Valve Actuation (IVA) system …
A brilliant Australian-designed two-stroke engine that meets tough emissions requirements and eliminates total-loss lubrication may fail for a lack of investment. The Crankcase Independent Two-Stroke (CITS) was invented by former South African motorsport engineer Basil van Rooyen, Director of CITS Engineering, St Ives, who says it would be ideal for motorcycles. Tough pollution laws have …
Despite the coming era of electric motorcycles, there is still plenty of life left in the internal combustion engine. KTM has just released two enduro bikes with direct-injection two-stroke engines, two Dutch designers have built a wooden bike (pictured top) that runs on algae oil and a South American has invented a bike that runs …
A Sydney engineering company has developed a new two-stroke engine that they believe could be used in motorcycles. It’s called Crankcase Independent Two-Stroke (CITS) and was invented by former South African motorsport engineer Basil van Rooyen, Director of CITS Engineering, St Ives. He says advantages over four-stroke are that the CITS engine is more powerful, …
Two-stroke engines were phased out by tough pollution laws and fuel economy targets, but they could be making a comeback with KTM, Honda and boutique builders. KTM and Honda have both registered patents for direct-injection two-stroke engines. In 2015, Honda filed a patent for a new two-stroke motor using direct fuel injection for a cleaner burn and …
It seems there is a lucrative market in making limited-edition GP race bikes for super-rich clients, with two European companies making two-stroke racers. While Honda has produced the quarter-million-dollar, road-legal, four-stroke RC213V-S MotoGP replica, German company Ronax and Switzerland ‘s Suter Racing have gone down the retro two-stroke road. The Ronax 500 is powered by …