Motorcycle Segment:
Sport-Touring
Target Audience:
Riders seeking a balance of performance, comfort, and touring capability. Owners and independent repair shops specializing in Ducati motorcycles.
Key Competitors:
BMW R1100/1150/1200RT, Honda VFR800/VFR1200F, Yamaha FJR1300, Kawasaki GTR1400, Suzuki Bandit 1250/GSF1200.
Motorcycle Features:
V-twin engine, advanced chassis, comfortable riding position for long distances, integrated luggage options (often sold separately), premium components.
Manual Value Proposition:
Essential resource for owners needing to identify and order correct OEM replacement parts, crucial for maintenance and repairs, ensuring the use of genuine Ducati components.
Engine And Ancillaries:
Detailed breakdown of all engine components, including cylinder heads, crankshaft, pistons, connecting rods, valves, camshafts, oil pump, water pump, fuel injection system components, exhaust system parts.
Transmission And Drivetrain:
Parts for the 6-speed gearbox, clutch assembly (dry clutch), final drive (chain and sprockets), gearbox internal components.
Chassis And Frame:
Frame components, swingarm, rear shock absorber, linkages, front forks (including internal components), steering head assembly, triple clamps.
Wheels And Brakes:
Front and rear wheels, brake calipers ( Brembo), brake discs, master cylinders, brake lines, wheel bearings, tire specifications.
Electrical System:
Wiring harnesses, battery, starter motor, alternator, ignition system components, lighting (headlights, taillights, indicators), instruments, ECU and related sensors.
Fuel System:
Fuel tank, fuel pump, fuel injectors, fuel pressure regulator, fuel filter.
Bodywork And Plastics:
Fairings, fuel tank cover, seat, tail section, fenders, air ducts, instrument cowl, mirrors.
Controls And Ergonomics:
Handlebars, levers (clutch, brake), footpegs, rider and passenger seats, throttle assembly.
Parts Identification:
Exploded diagrams for every major system, identifying each part with a unique part number.
Assembly Disassembly Guides:
While not a full service manual, the exploded diagrams inherently guide users on component order and relationships for assembly/disassembly.
Part Number Lookup:
Primary function is to provide accurate Ducati OEM part numbers for ordering replacement parts.
Component Interchangeability:
Can help identify common fasteners, seals, or gaskets used across multiple assemblies.
Depth Of Coverage:
Highly detailed on component level. Focuses on *what* parts are needed and their correct assembly order, not *how* to perform complex repairs.
Diagnostic Information:
None. This is a parts catalog, not a troubleshooting or diagnostic guide.
Service Procedures:
None. No step-by-step repair or maintenance procedures are included.
Engine Type:
Liquid-cooled, L-Twin (Desmodromic valve actuation), 4-stroke
Displacement:
937 cc (actual displacement for ST3 model is often closer to 937cc, but ST3s was 992cc. For the ST3, 937cc is common for the Testastretta engine family). The ST3 utilized the 937cc engine derived from the Monster S4Rs.
Bore X Stroke:
98 mm x 62.6 mm (for the 937cc engine)
Valvetrain:
Desmodromic, 2 valves per cylinder
Cooling System:
Liquid-cooled
Horsepower Claimed:
Approx. 107 HP @ 8750 RPM
Torque Claimed:
Approx. 71 lb-ft @ 7000 RPM
Fuel Delivery:
Fuel Injection, Bosch/Magneti Marelli EFI system
Fuel Type:
Unleaded gasoline, minimum 95 RON (91 AKI)
Engine Oil Type:
SAE 15W-50, API SG or higher, JASO MA certified (for wet clutch compatibility)
Oil Capacity With Filter:
Approx. 3.8 Liters (3.4 US Quarts)
Gearbox Type:
6-speed constant mesh
Clutch Type:
Dry, multi-plate, hydraulically actuated
Final Drive:
Chain drive, DID 525 VM, 106 links
Gear Ratios:
1st: 2.467 (37/15), 2nd: 1.714 (36/21), 3rd: 1.316 (30/23), 4th: 1.077 (28/26), 5th: 0.955 (21/22), 6th: 0.853 (21/25)
Primary Drive Ratio:
1.733 (26/15)
Secondary Drive Ratio:
1.800 (36/20)
Crash Test Results:
N/A (Motorcycles typically not rated by NHTSA/Euro NCAP in the same manner as cars)
Braking System:
Dual 320mm semi-floating discs with radial 4-piston calipers (Brembo) front; Single 245mm disc with 2-piston caliper (Brembo) rear.
Suspension Front:
Showa 43mm upside-down (USD) fork, fully adjustable (preload, compression, rebound damping)
Suspension Rear:
Progressive linkage with Sachs monoshock, adjustable preload and rebound damping
Lighting System:
Halogen headlights, LED taillight, amber incandescent turn signals.
Tire Specifications:
Front: 120/70 ZR17; Rear: 180/55 ZR17. Commonly Pirelli or Michelin sport-touring radials.
Instrument Cluster:
Analog tachometer, digital speedometer, LCD display for odometer, trip meters, engine temp, clock, and warning lights.
Audio System:
No integrated audio system. Designed for aftermarket installation if desired.
Traction Control:
None. Not equipped with electronic rider aids like traction control.
ABS Brakes:
Typically ABS was an optional extra or introduced on later models, but not standard on all 2006 ST3s.
Usb Ports:
No integrated USB ports. Aftermarket solutions are available.
Bluetooth:
No integrated Bluetooth connectivity.
Major Service Interval:
Every 12,000 km (7,500 miles) or annually, whichever comes first. This includes Desmo service (valve clearance check/adjustment).
Oil And Filter Change:
Every 6,000 km (3,750 miles) or annually.
Desmo Service:
Critical for valve longevity. Typically involves checking and adjusting valve clearances using shims for both intake and exhaust valves.
Belt Replacement:
Timing belts require replacement every 24,000 km (15,000 miles) or 2 years.
Coolant Type:
Ethylene glycol based coolant, mixture of 50% coolant and 50% distilled water.
Brake Fluid Type:
DOT 4, high-performance synthetic fluid.
Clutch Fluid Type:
DOT 4, high-performance synthetic fluid (shares reservoir with front brake).
Gearbox Oil Type:
SAE 75W-90 GL-4 synthetic gear oil.
Gearbox Oil Capacity:
Approx. 1.5 Liters (1.3 US Quarts)
Electrical Gremlins:
While not as prone as earlier Ducatis, voltage regulator/rectifier issues can occur. Check battery charging voltage.
Desmo Service Importance:
Crucial to adhere to desmo service intervals to prevent catastrophic valve train damage.
Clutch Lever Feel:
Dry clutch can be noisy and has a different feel than wet clutches; requires proper adjustment and fluid level.
Suspension Seals:
Older Showa forks can eventually develop leaks in fork seals; requires replacement.
Fairing Fitment:
Some owners report minor vibration or fitment issues with fairing panels, particularly after non-OEM replacements.
Ducati Heritage:
Ducati is an Italian manufacturer renowned for its high-performance motorcycles, characterized by L-twin engines, desmodromic valve actuation, and racing DNA. Founded in Bologna, Italy, in 1926.
St Series Lineage:
The ST series (Sport Touring) was Ducati's dedicated entry into the sport-touring market. The ST3 succeeded the ST2 and was later succeeded by the ST4s and the Multistrada for a more adventure-oriented touring experience.
St3 Development:
The ST3 was introduced to offer a more accessible sport-touring option with the reliable and powerful 937cc Testastretta engine, bridging the gap between the V-twin ST2 and the higher-spec V-twin ST4s.
Production Years:
2004-2007
Manufacturing Location:
Bologna, Italy