With close to 300,000 units of the Monster having been sold since its launch in 1993, there have been many iterations of the bike over the last two decades. Currently, the Monster family comprises two models – the Monster 821 and its bigger sibling, the Monster 1200. here, we take a look at the suite of technologies underlying the Monster 821, which also make it an excellent sportsbike.
Launched way back in 1993, the very first Ducati Monster was the machine that kick-started the ‘street fighter’ segment in Europe, which has now become very popular. Designed by Argentinian industrial designer Miguel Galluzzi – currently the head of Piaggio’s Advanced Design Center in California – the first Monster was powered by a 900 cc V-twin borrowed from the Ducati 900 Supersport, and had a steel-tube trellis frame that was based on the Ducati 851 superbike chassis.
POWERTRAIN
When we speak of the Ducati Monster, it’s inevitable that we start with its legendary V-twin engine. In the case of the Monster 821, it’s powered by a Test astretta 90-degree V-twin, which produces 112 hp at 9,250 rpm and 89 Nm of torque at 7,750 rpm –certainly enough to provide superlative performance since the bike itself weighs a moderate 180 kg. It’s an advanced, refined engine that boasts 15,000 km service intervals and requires valve clearance adjustments once only every 30,000 km. For a high-performance V-twin, that’s quite remarkable and is something that Ducati has been able to accomplish after years of research and development.
The Monster 821’s liquid cooled four-valves-per-cylinder Desmodromic V-twin, which is Euro III-compliant, uses an electronic fuel injection (EFI) system from Continental, 53 mm throttle bodies from Mikuni and full ride-by-wire (r-b-w) throttle management.
The engine is also used as a fully stressed member of the chassis, with the cylinder heads being attached to the frame directly. The crankshaft rotates on shell main bearings that are lubricated with a new, more efficient oil pump, while the fuel injector has been positioned in a way that targets spray directly onto the intake valves, thereby helping with engine cooling as well as improving combustion efficiency.
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Denne historien er fra October 2016-utgaven av Auto Tech Review.
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