Factory Workshop SpecificationsPlatform Gen: 2015–2024
2020 Ducati Scrambler 800 (Icon / Full Throttle) Specifications & Consumables
Official workshop technical reference: fluid capacities, spark plug codes, drive chain specs, and tire inflation pressures.
Gen 2015–2024
Factory Platform Compatibility: All workshop fluid capacities, maintenance milestones, torque specifications, and consumables on this specification sheet are factory-identical across model years 2015 through 2024.
Engine
803cc
Drive
520
Cooling
Air/Oil-Cooled
Engineering Subsystem Workbenches & Calculators
Dedicated deep-dive diagnostic tools, torque matrices, wiring pinouts, and calculators tailored for 2020 Ducati Scrambler 800 (Icon / Full Throttle).
Subsystem Guide/torques
Fastener Torques
Engine drain plug, axle spindles, caliper mounts, triple clamp pinch bolts & thread lubrication derating guide.
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Subsystem Guide/fluids
Fluids & Capacities
Oil: 3.40 L (3.60 US qt) • Coolant: N/A • Brake: DOT 4
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Subsystem Guide/fuses-relays
Fuses & Relays
Main: 30A Blade / Starter Solenoid • Location: Under rider seat
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Subsystem Guide/compression
Compression & Leakdown
Ratio: 11.0:1 • Std: 155-200 PSI • Limit: 135 PSI
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Subsystem Guide/valves
Valve Clearances
Intake: N/A mm • Exhaust: N/A mm
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Subsystem Guide/fuel-delivery
Fuel Delivery & TB Sync
Idle: N/A • Rail Pressure: N/A • Vacuum: N/A
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Subsystem Guide/electrical
Charging & Battery
Battery: YT12B-BS (175 CCA) • Regulated: 14.2 - 14.8 V DC
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Subsystem Guide/tires
Tires & Gearing
Front: 110/80R18 (36 PSI) • Rear: 180/55R17 (42 PSI)
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Subsystem Guide/suspension
Suspension & Sag
Front Travel: 150 mm • Rear Travel: 150 mm
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Subsystem Guide/maintenance
Maintenance Schedule
Oil: Every 7,500 miles (12,000 km) mi • Valves: Every 26,600 mi • Spark Plugs: Every 7,500 miles (12,000 km) mi
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Fluids & Service Capacities
Shop Fluids →Engine Oil (Drain & Filter Change)3.40 L (3.60 US qt)
Engine Oil (Drain Only)3.00 L (3.17 US qt)
Recommended Oil Viscosity15W-50 Shell Advance 4T Ultra, JASO MA2
Coolant System CapacityN/A
Brake Fluid StandardDOT 4
Drivetrain, Chain & Gearing
Shop Chains & Sprockets →Drive Chain Pitch520
Chain Link CountN/A
Front Sprocket TeethN/A
Rear Sprocket TeethN/A
Final Drive Configuration520 Pitch Chain
Ignition & Electrical Specifications
Shop Plugs & Batteries →OEM Spark Plug Part NumberNGK DCPR8E
Electrode Spark Plug Gap0.7 - 0.8 mm (0.028 - 0.031 in)
OEM Battery Reference CodeYT12B-BS
Battery Output & Rating12V 10Ah 175 CCA
Spark Plug Inspection Interval7,500 miles (12,000 km)
Wheels, Tires & Inflation Pressures
Shop Tires →Front Tire Dimensions110/80R18
Cold Front Inflation Pressure33 PSI (Cold)
Rear Tire Dimensions180/55R17
Cold Rear Inflation Pressure36 PSI (Cold)
OEM Wheel Rim Widths (F / R)3.50" / 5.50"
Factory OEM Fastener Torque Matrix
Multi-System Fastener Torque Quick-Finder & Bolt Grade Matrix
Tightening torques, thread dimensions, socket drive sizes, threadlocker specifications, and sequential tightening procedures for the 2020 Ducati Scrambler 800 (Icon / Full Throttle).
Interactive Thread Lubrication & Torque Derating Calculator
Prevent Stripped Threads: Convert Dry Factory Torque Specs to Lubricated Wrench Settings
100% FACTORY DRY SPEC
Torque wrenches measure rotational friction, not axial bolt stretch. Applying dry factory torque specs to threads lubricated with anti-seize, threadlocker, or oil reduces thread friction, causing bolt tension to increase 30%–50% at the same wrench setting and stripping soft aluminum motorcycle castings. Select your active fastener thread condition below:
Dry Threads (Factory Baseline): Clean, dry threads with zero lubricant. 100% of factory torque spec.
Engine & DrivetrainNone (Clean Dry)
Engine Oil Drain Bolt
Tightening Torque
24 N·m
17.7 ft-lb
Thread Dimension
M14 × 1.5
Socket / Drive
17 mm Socket
Sequence: Hand-spin until washer seats flush against sump; torque in single continuous stroke.
CRITICAL CAUTION: Over-torquing strips soft aluminum oil pans requiring permanent Heli-Coil or Time-Sert insert repair.
Engine & DrivetrainEngine Oil (Pre-Lube)
Engine Oil Filter (Spin-on / Cover)
Tightening Torque
11 N·m
97 in-lb
Thread Dimension
M20 × 1.5
Socket / Drive
65 mm / 68 mm Filter Cup
Sequence: Lubricate rubber O-ring with fresh clean engine oil before spinning on. Tighten until gasket contacts, then advance 2 to 2.5 full turns.
CRITICAL CAUTION: Never install dry rubber seal. Dry gaskets pinch, buckle, and spray oil onto the rear tire at highway speed.
Engine & DrivetrainNone (Clean Dry Plated Threads)
Spark Plugs (Cold Engine)
Tightening Torque
12 N·m
106 in-lb
Thread Dimension
M10 × 1.0
Socket / Drive
16 mm (5/8 in) Thin-Wall Magnetic Socket
Sequence: Hand-thread all plugs using rubber hose extension until seated. Torque strictly on cold engine (≤ 35°C / 95°F).
CRITICAL CAUTION: Modern NGK/Denso trivalent plated threads require zero anti-seize. Torquing hot heads strips aluminum spark plug threads.
Engine & DrivetrainNone (Clean Dry)
Clutch Pressure Plate Spring Bolts
Tightening Torque
10 N·m
89 in-lb
Thread Dimension
M6 × 1.0
Socket / Drive
10 mm Socket / 8 mm Hex
Sequence: Criss-cross diagonal pattern across 3 stages (finger tight → 5 N·m → 10 N·m) to seat pressure plate completely flat.
CRITICAL CAUTION: Uneven tightening tilts the clutch pressure plate, snapping delicate aluminum clutch basket lifter posts.
Engine & DrivetrainNone (Clean Dry)
Clutch Outer Case Cover Bolts
Tightening Torque
10 N·m
89 in-lb
Thread Dimension
M6 × 1.0
Socket / Drive
8 mm Hex Socket
Sequence: Criss-cross pattern starting from center bolts moving outward. Verify dowel alignment pins seat fully.
CRITICAL CAUTION: M6 bolts into aluminum engine cases snap easily. Always use a precision low-range 1/4" drive torque wrench.
Engine & DrivetrainMedium Strength (Blue 242/243) on Stator Wire Bracket
Alternator / Stator Cover Bolts
Tightening Torque
10 N·m
89 in-lb
Thread Dimension
M6 × 1.0
Socket / Drive
8 mm Hex Socket
Sequence: Criss-cross pattern. Apply thin bead of ThreeBond / RTV sealant only at rubber grommet wire passthrough.
CRITICAL CAUTION: Powerful magnetic rotor will violently snap the cover against the engine case during installation; keep fingers clear.
Engine & DrivetrainMedium Strength (Blue 242/243) + Bend Lock Washer
Countershaft Front Sprocket Nut
Tightening Torque
85 N·m
62.7 ft-lb
Thread Dimension
M20 × 1.5
Socket / Drive
32 mm Socket
Sequence: Have assistant hold rear foot brake firmly. Torque nut to spec, then fold lock washer ear flat against hex flat.
CRITICAL CAUTION: A loose countershaft nut will machine through the engine crankcase or lock the transmission at highway speed.
Engine & DrivetrainMedium Strength (Blue 242/243) / OEM Metal Locknuts
Rear Drive Sprocket Stud Nuts
Tightening Torque
80 N·m
59 ft-lb
Thread Dimension
M10 × 1.25 Self-Locking
Socket / Drive
14 mm / 17 mm Socket
Sequence: Criss-cross star pattern in 2 stages to ensure rear sprocket sits 100% flush against the cush drive hub flange.
CRITICAL CAUTION: Loose rear sprocket nuts will cock sideways, gouging the aluminum swingarm and throwing the drive chain.
Chassis & SuspensionNone (Clean Dry Threads / Light Grease on Shaft)
Front Wheel Axle Spindle / Bolt
Tightening Torque
63 N·m
46.5 ft-lb
Thread Dimension
M25 × 1.25
Socket / Drive
30 mm Socket
Sequence: Torque axle bolt first while pinch bolts remain loose. Pump front forks 3–4 times before torquing pinch bolts.
CRITICAL CAUTION: Torquing pinch bolts before axle nut causes fork binding, stiction, and severe front brake shudder.
Chassis & SuspensionNone (Clean Dry)
Front Axle Fork Bottom Pinch Bolts
Tightening Torque
19 N·m
14 ft-lb
Thread Dimension
M8 × 1.25
Socket / Drive
6 mm Allen / 12 mm Socket
Sequence: Dual pinch forks: alternate tightening between inner and outer bolt 3 times until wrench clicks on both without moving.
CRITICAL CAUTION: Tightening one bolt relaxes the adjacent bolt. Failure to alternate causes pinch bolts to work loose under road vibration.
Chassis & SuspensionNone (Factory Locknut / Cotter Pin)
Rear Axle Castle / Flange Nut
Tightening Torque
145 N·m
106.9 ft-lb
Thread Dimension
M25 × 1.25
Socket / Drive
32 mm Socket
Sequence: Push wheel forward against adjusters while torquing. Insert fresh cotter pin or R-clip through castle slot.
CRITICAL CAUTION: Under-torquing allows axle cocking, throwing wheel out of alignment; over-torquing crushes wheel bearing spacer tubes.
Chassis & SuspensionMedium Strength (Blue 242/243)
Rear Shock Upper & Lower Mount Bolts
Tightening Torque
44 N·m
32.5 ft-lb
Thread Dimension
M10 × 1.25
Socket / Drive
14 mm / 17 mm Socket
Sequence: Torque bolts with rear suspension loaded at static ride height (wheel on ground), not at full hanging droop.
CRITICAL CAUTION: Torquing shock eyelet rubber/spherical bushings at full droop locks preload twist into bushings, causing premature bushing tear.
Chassis & SuspensionNone (Clean Dry)
Swingarm Pivot Shaft Nut
Tightening Torque
100 N·m
73.8 ft-lb
Thread Dimension
M18 × 1.5
Socket / Drive
22 mm / 27 mm Socket
Sequence: Set swingarm pivot thrust collar clearance with spanner tool before torquing central through-shaft nut.
CRITICAL CAUTION: Incorrect pivot preload crushes needle bearings or induces lateral swingarm wobble and high-speed tank-slappers.
Cockpit & SteeringNone (Clean Dry)
Upper Triple Clamp (Fork Bridge) Pinch Bolts
Tightening Torque
24 N·m
17.7 ft-lb
Thread Dimension
M8 × 1.25
Socket / Drive
6 mm Allen / 12 mm Socket
Sequence: Verify fork tube height / stanchion protrusion above top bridge matches factory spec with vernier caliper before tightening.
CRITICAL CAUTION: Uneven fork tube heights alter chassis steering geometry, trail, and induce high-speed head-shake.
Cockpit & SteeringNone (Clean Dry)
Lower Triple Clamp Pinch Bolts
Tightening Torque
18 N·m
13.3 ft-lb
Thread Dimension
M8 × 1.25
Socket / Drive
6 mm Allen / 12 mm Socket
Sequence: Alternate between upper and lower bolt on each side 3 times to achieve uniform clamping without localized tube deformation.
CRITICAL CAUTION: CRITICAL: Overtightening lower clamp pinches the outer fork slider oval, locking fork bushings and causing severe suspension stiction.
Cockpit & SteeringNone (Clean Dry)
Handlebar Riser Clamps / Clip-on Clamps
Tightening Torque
24 N·m
17.7 ft-lb
Thread Dimension
M8 × 1.25
Socket / Drive
6 mm Allen Socket
Sequence: MANDATORY ZERO-GAP RULE: Tighten front bolts until clamp casting touches bottom casting with zero gap; then torque rear bolts to spec.
CRITICAL CAUTION: Leaving a gap at the front bolts allows handlebars to slip under sudden hard emergency braking.
Cockpit & SteeringNone (Clean Dry)
Steering Stem Head Nut
Tightening Torque
110 N·m
81.1 ft-lb
Thread Dimension
M28 × 1.0
Socket / Drive
30 mm / 36 mm Socket
Sequence: Ensure upper triple clamp pinch bolts are loose when torquing stem nut to prevent binding the steering bearings.
CRITICAL CAUTION: This nut clamps the top bridge; steering head bearing preload is adjusted separately via the lower castle spanner ring.
Cockpit & SteeringNone (Clean Dry)
Front Brake Master Cylinder Clamp Bolts
Tightening Torque
10 N·m
89 in-lb
Thread Dimension
M6 × 1.0
Socket / Drive
8 mm Hex / 5 mm Allen
Sequence: Align "UP" arrow mark on split clamp upward. Tighten upper bolt first until clamp seats flush; then torque lower bolt to 10 N·m.
CRITICAL CAUTION: Tightening bottom bolt first pinches the reservoir casting unevenly, cracking master cylinder clamp ears.
Brakes & HydraulicsMedium Strength (Blue 242/243) / Factory Micro-Encapsulated
Front Brake Caliper Mount Bolts
Tightening Torque
45 N·m
33.2 ft-lb
Thread Dimension
Radial M10 × 1.25
Socket / Drive
12 mm / 14 mm Socket (T50 Torx on BMW)
Sequence: Radial calipers: tighten upper and lower bolts in two equal stages (20 N·m, then final spec).
CRITICAL CAUTION: Radial caliper mounting threads tap directly into aluminum fork bottoms. Never use pneumatic/electric impact guns.
Brakes & HydraulicsMedium Strength (Blue 242/243)
Rear Brake Caliper Mount / Bracket Bolts
Tightening Torque
23 N·m
17 ft-lb
Thread Dimension
M8 × 1.25
Socket / Drive
12 mm Socket / 6 mm Allen
Sequence: Ensure caliper bracket sliding torque arm slot engages swingarm tab cleanly before tightening.
CRITICAL CAUTION: Unengaged bracket tabs allow rear caliper to rotate with disc during braking, shearing brake lines.
Brakes & HydraulicsMedium Strength (Blue 242/243 Mandatory)
Front Brake Disc Rotor Bolts
Tightening Torque
25 N·m
18.4 ft-lb
Thread Dimension
M8 × 1.25 Low-Profile Shoulder
Socket / Drive
6 mm Allen / T40 Torx
Sequence: Clean wheel hub female threads with solvent; apply 2 drops of Blue 243. Tighten in criss-cross star pattern across 2 stages.
CRITICAL CAUTION: A loose brake rotor bolt can back out and impact the front fork leg, instantly locking the front wheel.
Brakes & HydraulicsMedium Strength (Blue 242/243 Mandatory)
Rear Brake Disc Rotor Bolts
Tightening Torque
25 N·m
18.4 ft-lb
Thread Dimension
M8 × 1.25 / M10 × 1.25
Socket / Drive
6 mm Allen / T40 Torx
Sequence: Criss-cross star pattern. Ensure disc sits 100% flat against wheel hub register with zero trapped debris.
CRITICAL CAUTION: Trapped dirt under rotor mounting flange causes severe brake pedal pulsation and lateral rotor runout.
Brakes & HydraulicsNone (Clean Dry with Fresh Copper Washers)
Hydraulic Brake Line Banjo Bolts
Tightening Torque
30 N·m
22.1 ft-lb
Thread Dimension
M10 × 1.25 (Brembo: M10 × 1.0)
Socket / Drive
12 mm / 14 mm Hex Socket
Sequence: Always replace the two copper/aluminum crush washers per banjo joint. Never reuse crushed washers.
CRITICAL CAUTION: Over-torquing shears the cross-drilled fluid passage inside the banjo bolt, destroying the caliper casting.
Brakes & HydraulicsNone (Clean Dry)
Caliper Hydraulic Bleed Screws
Tightening Torque
6 N·m
53 in-lb
Thread Dimension
M7 × 1.0 / M8 × 1.25
Socket / Drive
8 mm / 10 mm Line Wrench
Sequence: Use 6-point flare-nut / line wrench to prevent rounding soft hex. Snug firmly until seated against conical seat.
CRITICAL CAUTION: Overtightening distorts the internal conical sealing point, causing persistent hydraulic fluid weeping.
Four Essential Workshop Tightening Protocols
1. Lower Triple Clamp Stiction Rule
Lower triple clamp pinch bolts must NEVER be torqued past factory spec (18–23 N·m). Overtightening pinches the outer fork slider oval, crushing internal bushings against the chrome stanchion and causing severe suspension stiction and premature seal failure.
2. Handlebar Clamp Zero-Gap Rule
Always tighten the front two clamp bolts until the upper clamp touches the bottom riser with ZERO clearance. Then torque the rear two bolts to spec. Leaving an equal gap front and rear allows handlebars to slip forward under sudden emergency braking.
3. Front Axle Bounce & Alignment
Torque front axle spindle nut first while pinch bolts are loose. Pump front forks up and down vigorously 3–4 times with front brake applied. This allows the right fork bottom to center itself freely along the axle spindle before torquing pinch bolts.
4. Star Pattern & Criss-Cross Torque
Always torque opposed bolts across a circular pattern in 2 progressive stages (50% torque stage 1, 100% final stage). Essential on brake disc rotors, engine case covers, and clutch pressure plates to prevent warping aluminum mating faces.
Metric Bolt Strength Grade & Tensile Markings Guide
Grade 8.8
Standard High Tensile (800 MPa)
Yield strength: 640 MPa. Used on footpeg brackets, fairing subframes, radiator brackets, and standard chassis mounts. Head stamped "8.8".
Grade 10.9
Extra High Tensile (1,040 MPa)
Yield strength: 940 MPa. Mandatory on front/rear brake caliper mounts, suspension linkages, and engine hanger bolts. Head stamped "10.9".
Grade 12.9
Ultra High Tensile (1,220 MPa)
Yield strength: 1,100 MPa. Extreme strength alloy steel used on cylinder head studs, crankcase through-bolts, and countershaft sprocket studs. Head stamped "12.9".
Stainless A2-70 / A4-80
Galling Hazard in Aluminum
Stainless steel galls into aluminum engine cases, seizing permanently. Never replace structural chassis or brake bolts with cosmetic hardware store stainless.
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