Ducati ST4


The Ducati ST4S ABS was a liquid-cooled, four-stroke, 90-degree V-Twin, DOHC, desmodromic 4 valves per cylinder Sport touring motorcycle produced by Ducati between 1997 and 2006. It could reach a top speed of 155 mph (250 km/h). Max torque was 72.28 ft/lbs (98.0 Nm) @ 7000 RPM. Claimed horsepower was 116.94 HP (87.2 KW) @ 8750 RPM.

1999-Ducati-ST4-in-Black.jpg
Ducati ST4
Manufacturer
Also called ST4S ABS, ST4S, ST4, ST 4 S ABS, ST 4 S, ST4 S ABS, ST4 S
Production 1997 - 2006
Class Sport touring
Engine
liquid-cooled, four-stroke, 90-degree V-Twin, DOHC, desmodromic 4 valves per cylinder
Bore / Stroke 99.1mm x 99.1mm
Compression ratio 11.5:1
Top Speed 155 mph (250 km/h)
Horsepower 116.94 HP (87.2 KW) @ 8750RPM
Torque 72.28 ft/lbs (98.0 Nm) @ 7000RPM
Air Filter K&N DU-9098 `97-03[1]
Transmission Gear box: straight cut gears

Final Drive: chain

Clutch: wet multi-disc, manual
Suspension Front: 43mm Showa fully-adjustable upside-down fork, TiN-coated
Rear: Ohlins fully-adjustable monoshock with progressive linkage
Brakes Front: dual 320mm discs, 4-piston calipers, ABS
Rear: single 245mm disc, 2-piston caliper, ABS
Front Tire 120/70 ZR17
Rear Tire 180/55 ZR17
Wheelbase 56.3 inches (1430 mm)
Length 81.5 inches (2070 mm)
Height 50.16 inches (1274 mm)
Seat Height 32.28 inches (820 mm)
Weight 443.13 pounds (201.0 Kg) (dry), 201.0 kg (wet)
Fuel Capacity 5.55 Gallon (21.00 Liters)
Fuel Consumption 0.59 liters/100 km (169.5 km/l or 398.68 mpg)
Manuals Service Manual

EngineEdit

The engine was a liquid cooled liquid-cooled, four-stroke, 90-degree V-Twin, DOHC, desmodromic 4 valves per cylinder. A 99.1mm bore x 99.1mm stroke result in a displacement of just 996.0 cubic centimeters. Fuel was supplied via a desmodromic valve control.

DriveEdit

The bike has a straight cut gears transmission. Power was moderated via the wet multi-disc, manual.

ChassisEdit

It came with a 120/70 ZR17 front tire and a 180/55 ZR17 rear tire. Stopping was achieved via dual 320mm discs, 4-piston calipers, ABS in the front and a single 245mm disc, 2-piston caliper, ABS in the rear. The front suspension was a 43mm Showa fully-adjustable upside-down fork, TiN-coated while the rear was equipped with a Ohlins fully-adjustable monoshock with progressive linkage. The ST4S ABS was fitted with a 5.55 Gallon (21.00 Liters) fuel tank. The bike weighed just 443.13 pounds (201.0 Kg). The wheelbase was 56.3 inches (1430 mm) long.

1997 Ducati ST4Edit

The 1997 MY Ducati ST4 has, at its heart, a four-stroke, liquid-cooled, 916cc, 90-degree V-Twin desmodromic powerhouse paired to a six-speed manual transmission with a chain final drive, and can reach a maximum power output of 105 horsepower and 89 Nm of torque.

In addition, it comes with features such as a dual exhaust system, a dual seat with passenger grab rails, a full-fairing with a small windscreen, Marchessini lightweight wheels, an analogue and digital instrumentation panel, a single headlight, Brembo brakes with dual front discs and a single disc in the rear, and a suspension package composed of a Showa 43mm upside-down, fully-adjustable fork and a Sachs fully-adjustable monoshock with progressive linkage in the rear.


1998 Ducati ST4Edit

 

The 1998 MY Ducati ST4 has standard fittings such as a dual exhaust system, a dual seat with passenger grab rails, a full-fairing with a small windscreen, Marchessini lightweight wheels, an analogue and digital instrumentation panel, a single headlight, Brembo brakes with dual front discs and a single disc in the rear, and a suspension package composed of a Showa 43mm upside-down, fully-adjustable fork and a Sachs fully-adjustable monoshock with progressive linkage in the rear.

In the engine department it is powered by a four-stroke, liquid-cooled, fuel-injected, 916cc, 90-degree V-Twin desmodromic powerplant paired to a six-speed manual transmission with a chain final drive, that can produce a claimed 105 horsepower and 89 Nm of torque.


1999 Ducati ST4Edit

The 1999 MY Ducati ST4 boasts a maximum power output of 105 horsepower and 89 Nm of torque from its liquid-cooled, fuel-injected, four-stroke, 916cc, 90-degree V-Twin desmodromic powerhouse paired to a six-speed manual transmission with a chain final drive.

This sport-touring machine also comes with a dual exhaust system, a dual seat with passenger grab rails, a full-fairing with a small windscreen, Marchessini lightweight wheels, an analogue and digital instrumentation panel, a single headlight, Brembo brakes with dual front discs and a single disc in the rear, and a suspension package composed of a Showa 43mm upside-down, fully-adjustable fork and a Sachs fully-adjustable monoshock with progressive linkage in the rear.


2000 Ducati ST4Edit

The House of Borgo Panigale has created the 2000 MY Ducati ST4 for riders who want more performance, but also want a machine that can go the extra mile, thanks to its comfortable riding position and improved protection against the elements, and it can even be fitted with side panniers per rider request. This machine is powered by a four-stroke, liquid-cooled, fuel-injected, 916cc, 90-degree V-Twin desmodromic engine, mated to a six-speed manual transmission, and can produce a claimed 105 horsepower and 89 Nm of torque.

In addition, it has been equipped as standard with a dual exhaust system, a dual seat with passenger grab rails, a full-fairing with a small windscreen, Marchessini lightweight wheels, an analogue and digital instrumentation panel, a single headlight, Brembo brakes with dual front discs and a single disc in the rear, and a suspension package composed of a Showa 43mm upside-down, fully-adjustable fork and a Sachs fully-adjustable monoshock with progressive linkage in the rear.


2001 Ducati ST4SEdit

The "S" version of the Ducati ST4 has been equipped with a larger engine, a revised suspension package, a redesigned chassis and a different fuel-injection, making it, arguably, one of the most powerful liter-class sport touring machines. It also has fittings such as a full-fairing with a windscreen, an analogue and digital instrumentation panel, a dual seat with passenger grab rails, a steel trellis frame and Marchessini lightweight wheels.

In the engine department it is powered by a liquid-cooled, four-stroke, fuel-injected, 996cc, 90-degree V-Twin desmodromic engine paired to a six-speed manual transmission with a chain final drive, and can reach a maximum power output of 117 horsepower and 98 Nm of torque.


2002 Ducati ST4SEdit

The 2002 MY Ducati ST4S has, at its heart, a four-stroke, liquid-cooled, fuel-injected, 996cc, 90-degree V-Twin desmodromic engine mated to a six-speed manual transmission with a chain final drive, that can reach a maximum power output of 117 horsepower and 98 Nm of torque.

In addition, it has been fitted with a full-fairing with a windscreen, an analogue and digital instrumentation panel, a dual seat with passenger grab rails, a steel trellis frame and Marchessini lightweight wheels, Brembo brakes with dual front discs and a single rear disc, and a race-grade suspension package composed of an Ohlins fully-adjustable monoshock in the rear and a front 43mm Showa upside-down fork.


2003 Ducati ST4S ABSEdit

The 2003 MY Ducati ST4S has fittings such as a full-fairing with a windscreen, an analogue and digital instrumentation panel, a dual seat with passenger grab rails, a steel trellis frame and Marchessini lightweight wheels, Brembo brakes with dual front discs and a single rear disc, and a race-grade suspension package composed of an Ohlins fully-adjustable monoshock in the rear and a front 43mm Showa upside-down fork plus ABS as standard.

In the engine department it is powered by a liquid-cooled, fuel-injected, four-stroel, 996cc, 90-degree V-Twin desmodromic powerhouse paired to a six-speed manual transmission with a chain final drive, and can produce a claimed 117 horsepower and 98 Nm of torque.


2004 Ducati ST4S ABSEdit

     

The 2004 MY Ducati ST4S ABS boasts a maximum power output of 117 horsepower and 98 Nm of torque from its air-cooled, four-stroke, fuel-injected, 996cc, 90-degree V-Twin desmodromic powerplant that was mated to a six-speed manual transmission with a chain final drive.

In addition, it has features such as a full-fairing with a windscreen, an analogue and digital instrumentation panel, a dual seat with passenger grab rails, a steel trellis frame and Marchessini lightweight wheels, Brembo brakes with dual front discs and a single rear disc, and a race-grade suspension package composed of an Ohlins fully-adjustable monoshock in the rear and a front 43mm Showa upside-down fork plus ABS as standard.


2005 Ducati ST4S ABSEdit

The 2005 MY Ducati ST4S ABS is a machine that combines sportbike performance with the comfort levels only a touring machine is associated with, and is addressed for those riders who want to make as many miles as possible, as fast as possible. It comes with a full-fairing with a windscreen, an analogue and digital instrumentation panel, a dual seat with passenger grab rails, a steel trellis frame and Marchessini lightweight wheels, Brembo brakes with dual front discs and a single rear disc, and a race-grade suspension package composed of an Ohlins fully-adjustable monoshock in the rear and a front 43mm Showa upside-down fork plus ABS as standard.

In the engine department it sports a four-stroke, liquid-cooled, fuel-injected, 996cc, 90-degree V-Twin desmodromic powerhouse, paired to a six-speed manual transmission with a chain final drive, and can produce a claimed 117 horsepower and 98 Nm of torque.


2006 Ducati ST4S ABSEdit

       

If you're on the market for a powerful, performance-oriented machine, that also offers higher levels of comfort and protection against the elements, then the 2006 MY Ducati ST4S ABS may be the right choice for you. It has, at its heart, a liquid-cooled, four-stroke, fuel-injected, 996cc, L-Twin desmodromic powerplant paired to a six-speed manual transmission with a chain final drive, that can reach a maximum power output of 117 horsepower and 98 Nm of torque.

In addition, it comes with features such as a full-fairing with a windscreen, an analogue and digital instrumentation panel, a dual seat with passenger grab rails, a steel trellis frame and Marchessini lightweight wheels, Brembo brakes with dual front discs and a single rear disc, and a race-grade suspension package composed of an Ohlins fully-adjustable monoshock in the rear and a front 43mm Showa upside-down fork plus ABS as standard.

ReferencesEdit

  1. 2019 K&L Supply Co Catalog. K&L Supply Co. 2019.