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Torque Specs 998s
DUCATI 998s TORQUE SETTINGS
      N-m    
    Thread/Pitch Plus or Minus 10%    
Parts Notes (mm) (Plus or Minus 5%) ft-lbs in-lbs
Items Commonly Torque During Routine Maintenance:          
Spark Plugs   M12x1.25 20.0 14.75 177.0
Oil Drain Plug   M22x1.50 42.0 30.98 371.7
Oil Cartridge Filter   M16x1.50 11.0 8.11 97.4
Oil Mesh Filter   M22x1.50 42.0 30.98 371.7
Front Wheel Shaft (Axel) Nut   M25x1.5 63.0 46.47 557.6
Rear Wheel LH Nut   M33x1.5 156.0 115.06 1380.7
Rear Wheel RH Nut   M38x1.5 176.0 129.81 1557.7
Fork Bottom End Bolts -- Torque seq 1 - 2 - 1 GREASE B M8x1.25 19.0 14.01 168.2
Front Brake Caliper Retaining Screw   M10x1.5 43.0 31.72 380.6
Chain Eccentric Adjuster Screws (Pinch Bolts) 1 - 2 - 1   M12x1.25 31.0 22.86 274.4
           
           
Items Attaching to Frame:          
Chain Front Sprocket          
Front Sprocket Guard Screw   M6x1.00 6.0 4.43 53.1
Chain Sprocket Fixing     186.0 137.19 1646.2
           
Light Units          
Front Subframe Mounting Screw   M6x1.00 9.0 6.64 79.7
Air Temp Sensor Retaining Screw   M3x1.00 1.0 0.74 8.9
Connector  Support to Headlight Support Screw   M6x1.00 3.0 2.21 26.6
Cat's Eye Mounting Nut   M4x0.7 1.6 1.18 14.2
Number Plate Light Nut   M5x0.8 1.5 1.11 13.3
Headlight Support Retaining Screw   M6x1.00 10.0 7.38 88.5
Turn Indicator Retaining Screw   M6x1.00 3.2 2.36 28.3
Tail Light Peg Retaining Screw     5.0 3.69 44.3
RH and LH headlight Fairing Support Retaining Screw   M6x1.00 10.0 7.38 88.5
           
Instrumentation          
Instrument Panel Fixing Nut   M5x0.8 3.3 2.43 29.2
Odometer Cable Ring On instrument panel and odometer   M12x1 3.0 2.21 26.6
           
Front Fork          
Steering Head Retaining Screw GREASE B M8x1.25 23 16.96 203.6
Bottom Yoke Retaining Screws -- Torque seq 1 - 2 - 1 GREASE B M8x1.25 14.0 10.33 123.9
Helibar Clamp Pinch Bolts   M8x1.25 16.3 12.00 144.0
Steering Tube Retaining Screw (upper triple) GREASE B M8x1.25 22.0 16.23 194.7
Fork Bottom End Bolts -- Torque seq 1 - 2 - 1 GREASE B M8x1.25 19.0 14.01 168.2
Steering Bearing - Ring Nut  slacken by 30 degrees - spec tool GREASE D M35x1.00 20.0 14.75 177.0
Steering Damper to Head Screw LOCK 1 M6x1.00 10.0 7.38 88.5
Steering Tube Reference Peg GREASE B M12x1.00 19.0 14.01 168.2
Steering Damper Ball Joint OHLINS LOCK 3 M8x1.00 8.0 5.90 70.8
Steering Shaft LOCK 8 M6x1.00 8.0 5.90 70.8
Steering Damper Support Screw LOCK 2 M6x1.00 8.0 5.90 70.8
Steering Lock Check Nut   (Locktite to nut thread only) LOCK 2 M6x1.00 8.0 5.90 70.8
           
Electrical System          
Cables to Battery Plate Nut   M5x1.00 5.0 3.69 44.3
Battery Mount Retaining Screw   M6x1.00 9.5 7.01 84.1
Horn Retaining Screw   M6x1.00 10.0 7.38 88.5
Control Unit Mounting Plate Screws   M5x0.8 2.0 1.48 17.7
Starter Motor Nut   M6x1.00 5.0 3.69 44.3
Key Operating Switch Retaining Screw LOCK 1 M6x1.00 9.0 6.64 79.7
Horn Bracket Retaining Screw   M12x1.00 20.0 14.75 177.0
Control Unit Vibration Pad Nut   M6x1.00 8.5 6.27 75.2
Cable to Contactor Nut   M6x1.00 4.0 2.95 35.4
RH and LH Switch Retaining Screw     0.8 0.59 7.1
           
Clutch Master Cylinder to Handlebars - Fasteners   M6x1.00 9.0 6.64 79.7
Front Brake Master Cylinder to Handlebars - Fastener   M6x1.00 9.0 6.64 79.7
Throttle Control - Fastener   M6x1.00 9.0 6.64 79.7
Throttle Control Cap - Fastener      1.8 1.33 15.9
           
           
           
           
Frame-to-Engine - Fasteners GREASE B M12x1.25 60.0 44.25 531.0
Battery Boxes to Valve Cover - Fasteners   M6x1.00 10.0 7.38 88.5
Battery Retaining Plate Fastener to Battery Box   M6x1.00 10.0 7.38 88.5
Battery Boxes to Frame - Fasteners   M8x1.25 25.0 18.44 221.3
Nuts - Cables to Battery   M5x1.00 5.0 3.69 44.3
Nuts - Cables to Starter   M6x1.00 4.0 2.95 35.4
Ground Cable - Fastener     19.0 14.01 168.2
Regulator to Frame - Fastener   M8x1.25 23.0 16.96 203.6
Voltage Regulator -Fastener   M6x1.00 9.0 6.64 79.7
Horn Bracket to Headlight Unit - Fastener LOCK 2 M6x1.00 10.0 7.38 88.5
Nut - Horn to Bracket   M12x1.00 20.0 14.75 177.0
Nut - Control Unit to Headlight   M5x0.80 2.0 1.48 17.7
Air Filter Unit "Fasteners" to Air Box Unit   M5x0.80 1.0 0.74 8.9
Sleeve Clip from Filter Box to Throttle Body     1.5 1.11 13.3
Intake Funnels Clip on Throttle Body     2.5 1.84 22.1
Nut- Canister Mount     9.0 6.64 79.7
Canister Mount Fastener     2.5 1.84 22.1
Pressure Regulator Bracket Fastener     5.0 3.69 44.3
Oil Breather Reserve - Fastener   M6x1.00 5.0 3.69 44.3
Oil Breather Reservoir Pipe Clip     2.2 1.62 19.5
Expansion Reservoir Clip     1.4 1.03 12.4
Engine Breather Stud on Head - Fastener   M40x1.50 40.0 29.50 354.0
Black Screws - Clutch Oil Line Unions   M10x1.00 28.0 20.65 247.8
Clutch/Transmission Unit - Fastener   M6x1.00 9.0 6.64 79.7
Bleeder - Clutch   M6x1.00 4.0 2.95 35.4
Fastener - Gear Lever   M6x1.00 9.0 6.64 79.7
Fastener - Gear Lever LOCK 2 M8x1.25 23.0 16.96 203.6
Gear Pedal Shaft LOCK 2 M8x1.25 25.0 18.44 221.3
Fasteners - Footpegs LOCK 2 M8x1.25 24.0 17.70 212.4
Fasteners - Footpeg Protection Plate LOCK 2 M5x0.80 5.0 3.69 44.3
Front Sprocket Stopper LOCK 1 M5x0.80 6* #VALUE! #VALUE!
Fastener - Front Mudguard LOCK2  M6x1.00 3.0 2.21 26.6
Fastener - Front Mudguard Holder   M6x1.00 4.0 2.95 35.4
Fastener - Flange-to-Tank   M5x0.80 5.0 3.69 44.3
Fasteners - Tank Quick Coupling Mounts LOCK 2 M5x0.80 5.0 3.69 44.3
Fasteners - Fuel Level Sensors LOCK 2 M5x0.80 5.0 3.69 44.3
Fuel Breather Pipe Clip (Inside Gas Tank)     1.5 1.11 13.3
Fuel Line Clip (Inside Gas Tank)     2.5 1.84 22.1
1/4 NPT Quick Coupling Gas Line LOCK 6   3.0 2.21 26.6
Fasteners - Driving Pins LOCK 2 M6x1.00 11* #VALUE! #VALUE!
Fasteners - Rear Sprocket GREASE B M10x1.25 48* #VALUE! #VALUE!
Fasteners - Front turn Indicators-to-Headlight Fairing   M6x1.00 4.0 2.95 35.4
Nut - Turn Indicator   M6x1.00 5.0 3.69 44.3
Nut - License Plate Light   M5x0.80 1.5 1.11 13.3
Nut - Tail Light   M5x0.80 5.0 3.69 44.3
Fasteners - License Plate Bracket LOCK 2 M6x1.00 10.0 7.38 88.5
Fastener - Support-to-License Plate Holder   M6x1.00 10.0 7.38 88.5
Nut - Tail Guard on Seat   M6x1.00 8.0 5.90 70.8
Fastener - Rear Fairing-to-Frame   M6x1.00 8.0 5.90 70.8
Fastener - Half Bearing on Oil Sump   M6x1.00 10.0 7.38 88.5
Fastener - Rear Fairing Cover   M6x1.00 8.0 5.90 70.8
Fasteners - Headlight-to-Frame   M6x1.00 8.0 5.90 70.8
Fasteners - Gas Tank Cover to Headlight Fairing   M6x1.00 3.0 2.21 26.6
Fasteners - Flange to Headlight Fairing   M5x0.80 1.0 0.74 8.9
Fasteners - Mirrors to Headlight Fairing       0.00 0.0
Fasteners - Splashguard   M5x0.80 2.5 1.84 22.1
Fastener - Side Stand Plate LOCK 5 M10x1.50 43.0 31.72 380.6
Fastener - Stand Cable Guide on Engine Case   M6x1.00 10.0 7.38 88.5
Side Stand Pivot Nut   M8x1.25 26.0 19.18 230.1
Nut - Starter Motor Nut GREASE B M6x1.00 5.0 3.69 44.3
Fasteners - Fuse Box   M5x0.80 2.0 1.48 17.7
Fasteners - Coils   M5x0.80 2.0 1.48 17.7
Fastener - Chain Guard   M5x0.80 1.5 1.11 13.3
           
           
           
           
           
           
           
           
Swingarm Components:          
Shock Absorber to Swingarm - Fastener  GREASE B M12x1.25 55* #VALUE! #VALUE!
Swingarm Pivot Shaft GREASE C M8x1.25 25* #VALUE! #VALUE!
Chain Adjuster Eccentric - Fastener   M12x1.25 70* #VALUE! #VALUE!
Caliper Holder Plate Shaft LOCK 8 M12x1.25 33.0 24.34 292.1
Chain Adjustment - Fixing Fastener LOCK 1 M5x0.80 1.5 1.11 13.3
           
Front Brake Components:          
Front Brake Caliper - Fasteners GREASE B M10x1.50 43* #VALUE! #VALUE!
Front Brake Disk - Fasteners LOCK 2 M8x1.25 25* #VALUE! #VALUE!
Front Brake Master Cylinder to Handlebars - Fastener   M6x1.00 9.0 6.64 79.7
Brake Nipples Bleeders   M10x1.00 12.0 8.85 106.2
Black Screws - Brake Oil Line Unions   M10x1.00 28.0 20.65 247.8
           
Rear Brake Components:          
Caliper Holder Plate Stopper LOCK 8 M10x1.50 36.0 26.55 318.6
Rear Brake Caliper - Fasteners GREASE B M8x1.25 25* #VALUE! #VALUE!
Rear Brake Disk - Fasteners LOCK 2 M8x1.25 25* #VALUE! #VALUE!
Rear Brake Lever Shaft GREASE B M10x1.50 29.0 21.39 256.7
Rear Brake Master Cylinder - Fastener   M6x1.00 10.0 7.38 88.5
Rear Brake Master Cylinder Bracket - Fastener LOCK 5 M10x1.50 43.0 31.72 380.6
Rear Brake Pedal Light Switch     5.0 3.69 44.3
Rear Brake Control Nut   M6x1.00 7.5 5.53 66.4
Rear Brake Adjuster     2.3 1.70 20.4
Brake Nipple Bleeder   M10x1.00 12.0 8.85 106.2
Rear Brake Cable Line - Fastener LOCK 2 M4x0.70 1.0 0.74 8.9
Rear Brake Master Cylinder Oil Reservoir - Fastener   M5x1.00 1.5 1.11 13.3
Black Screws - Brake Oil Line Unions   M10x1.00 28.0 20.65 247.8
           
Front Wheel          
Nut - Left Front Wheel  GREASE B M25x1.25 63* #VALUE! #VALUE!
Rear Wheel          
Nut - Left Rear Wheel  GREASE B M33x1.50 156* #VALUE! #VALUE!
           
Exhaust System:          
Nuts - Exhaust Pipe-to-Head    M8x1.25 24.0 17.70 212.4
Intake and Exhaust Flange Stud Bolts LOCK 2 M8x1.25 15.0 11.06 132.8
Exhaust and Silencer Protector - Fasteners   M6x1.00 10.0 7.38 88.5
Cone-to-Exhaust Silencer Terminal - Fastener   M6x1.00 9.0 6.64 79.7
Stainless Steel Plugs on 1/8 Throttle Exhaust Pipes     25.0 18.44 221.3
           
Oil Cooler Components:          
Oil Cooler Hanger to Valve Cover - Fasteners   M6x1.00 9.0 6.64 79.7
Oil Cooler Nipples on Cooler LOCK 1 M14x1.50 23.0 16.96 203.6
Oil Cooler Nipples-to-Engine   M14x1.50 23.0 16.96 203.6
Oil Cooler Union on Cooler (TWIN SEAL) SHELL Advance Ultra 4 M16x1.50 32* #VALUE! #VALUE!
Oil Cooler on Casing (TWIN SEAL) SHELL Advance Ultra 4 M16x1.50 32* #VALUE! #VALUE!
           
           
Engine Torque Settings          
Head Nuts:                            1st   Torque GREASE C M10x1.50 15.0 11.06 132.8
                                                2nd Torque     25.0 18.44 221.3
                                                3rd & Final Torque     40.0 29.50 354.0
Connecting Rod Bolts:        1st   Torque GREASE B M10x1.00 20.0 14.75 177.0
                                                2nd Torque     35.0 25.81 309.8
                                                3rd & Final Torque     69* #VALUE! #VALUE!
Crankshaft Gear Nut GREASE B M22x1.00 190.0 140.14 1681.6
Generator Rotor Nut   M24x1.00 190.0 140.14 1681.6
Gear Stop Fasteners LOCK 2 M8x1.25 18.0 13.28 159.3
Clutch Drum Nut GREASE A M20x1.00 190* #VALUE! #VALUE!
Nut for Timing Lay Shaft Gear GREASE A M14x1.00 55* #VALUE! #VALUE!
Ring Nut for Timing Belt Rollers on Lay Shaft GREASE A M15x1.00 71.0 52.37 628.4
Ring Nut for Timing Belt Rollers on Head GREASE A M15x1.00 71.0 52.37 628.4
Mobile Tensioned Pin LOCK 2 M8x1.25 26.0 19.18 230.1
Spark Plugs   M12x1.25 20.0 14.75 177.0
Gearbox Drum Selector Fastener   M16x1.50 30.0 22.13 265.5
Clutch Housing Fastener LOCK 4 M8x1.25 35* #VALUE! #VALUE!
Camshaft Support Fasteners   M6x1.00 11.0 8.11 97.4
Fixed Tensioned Roller Pin LOCK 2 M8x1.00 20.0 14.75 177.0
Flywheel Flange Fasteners LOCK 8 M6x1.00 13.5 9.96 119.5
Valve Cover Fasteners   M6x1.00 10.0 7.38 88.5
Case Joining Fasteners:       1st  Torque GREASE B M8x1.25 19* #VALUE! #VALUE!
                                                  2nd & Final Torque     25.0 18.44 221.3
Case Joining Fasteners   M6x1.00 10.0 7.38 88.5
Gearbox Bearing Plate Fasteners LOCK 2 M6x1.00 10.0 7.38 88.5
By-Pass Pump Plug LOCK 5 M15x1.00 25.0 18.44 221.3
Head Stud Bolts LOCK 2 M10x1.50 25* #VALUE! #VALUE!
Intake and Exhaust Flange Stud Bolts LOCK 2 M8x1.25 15.0 11.06 132.8
Mesh Filter Duct Plug LOCK 5 M15x1.00 20.0 14.75 177.0
Oil Pump Duct Plug LOCK 5 M10x1.50 15.0 11.06 132.8
Oil Filter Nipple LOCK 2 M16x1.50 42.0 30.98 371.7
Oil Drain Plug   M22x1.50 42.0 30.98 371.7
Oil Filter Plug   M22x1.50 5.0 3.69 44.3
Neutral Light Switch   M10x1.25 10.0 7.38 88.5
Oil Mesh Filter   M22x1.50 42.0 30.98 371.7
Oil Cartridge Filter   M16x1.50 11.0 8.11 97.4
Breather Cap   M40x1.50 40.0 29.50 354.0
Blow-by Valve   M40x1.50 40.0 29.50 354.0
Gear Pawl Fastener LOCK 2 M6x1.00 10.0 7.38 88.5
Battery Mount Lower Stud Bolt LOCK 2 M6x1.00 10.0 7.38 88.5
Pick-up Sensor Fastener LOCK 2 M6x1.00 10.0 7.38 88.5
Generator Stator Fastener LOCK 2 M6x1.00 10.0 7.38 88.5
Intake and Exhaust Manifold Nuts   M8x1.25 23.0 16.96 203.6
Fastener for Starter Idle Pin LOCK 2 M6x1.00 10.0 7.38 88.5
Filter Plug LOCK 5 M12x1.00 23.5 17.33 208.0
Oil Pump Body Fasteners   M8x1.25 26.0 19.18 230.1
Oil Pump Body and Cover Fasteners   M6x1.00 9.0 6.64 79.7
Ignition Sensor Fasteners   M5x0.80 5.0 3.69 44.3
Pressure Switch   M10x1.00 5.0 3.69 44.3
Generator Cover Fasteners   M6x1.00 10.0 7.38 88.5
Clutch Cover Fasteners   M6x1.00 10.0 7.38 88.5
Starter Motor Fasteners LOCK 2 M6x1.00 10.0 7.38 88.5
Oil Temperature Light Switch   M10x1.00 23.5 17.33 208.0
Head Service Fasteners LOCK 5 M6x1.00 3* #VALUE! #VALUE!
Ground Fastener   M8x1.50 13.0 9.59 115.1
Closing Plug for Mesh Filter   M31x1.50 30.0 22.13 265.5
Oil Temperature Sensor Ring Nut   M30x1.50 38.0 28.03 336.3
Steel/Alum. Crankshaft Cap TB 1375B M20x1.00 Special Tool #VALUE! #VALUE!
Oil Cooler Nipple LOCK 5 M14x1.50 24.0 17.70 212.4
Engine Ground Connector Fastener LOCK 2 M12x1.00 18.0 13.28 159.3
Oil Temperature Sensor LOCK 4 M12x1.50 18.0 13.28 159.3
Crankshaft Grub Fasteners TB 1375B M8x1.25 13.0 9.59 115.1
Gear Pawn Fastener   M8x1.00 25.0 18.44 221.3
Casing Drilled Fastener GREASE B M8x1.25 20.0 14.75 177.0
Rotor Flywheel Fastener LOCK 2 M6x1.00 13.0 9.59 115.1
Intake Manifold Fuel Pump Union LOCK 2 M6x1.00 2.5 1.84 22.1
Reduction Bush LOCK 5 M10x1.00   0.00 0.0
Oil Temperature Bulb   M10x1.00 10.0 7.38 88.5
Casing Service Plug (Clutch Side) LOCK 5 M10x1.50 15.0 11.06 132.8
Inspection Cover Fasteners   M6x1.00 6* #VALUE! #VALUE!
Rocker Arm Shaft Covers - Fasteners   M6x1.00 10.0 7.38 88.5
Clutch Spring - Fasteners   M5x0.80 5* #VALUE! #VALUE!
Driven Belt Roller Flange - Retaining Fasteners   M5x0.80 5* #VALUE! #VALUE!
Manifold Nipple LOCK 2 M5x0.80 3* #VALUE! #VALUE!
Split Belt Roller - Retaining Fastener   M5x0.80 5* #VALUE! #VALUE!
Cover Plug    M5x0.80 2.5* #VALUE! #VALUE!
           
           
        Frame Settings: Note, Right and Left are Determined as if One is Sitting on the Bike -  Right will be to the rider's Right and Left will be to the Rider's Left.        
           
           
Products used in Maintenance Procedures: Examples:        
           
GREASE A -  Multipurpose, medium fiber, lithium grease. SHELL Alvania R3        
           
GREASE B - Molybdenum disulphide grease, high mechanical stress and high temperature resistant. SHELL Retinax HDX2        
         
           
LOCK 1 - Low-strength thread locker. LOCTITE 222        
           
LOCK 2 - Oil-compatible, medium strength thread locker. lOCTITE 243        
           
LOCK 3 - High-strength thread sealant or threads parts. LOCTITE 270        
           
LOCK 4 - Flange sealant.  Resistant to high mechanical stress, solvents and high temperatures (up to 200 degrees C). For pressures up to 350 ATM. Fills gaps up to 0.40 mm.  LOCTITE 510        
         
         
  LOCTITE 128455        
LOCK 5 - Permanent adhesive for smooth or threaded cylindrical fasteners or mechanical parts. High resistance to mechanical stresses and solvents. Temperature range: minus 55 to plus 175 degrees C.          
         
         
         
           
LOCK 6 - Pipe sealant for pipes and medium to large fasteners. For water and gas (except oxygen). Maximum filling capacity: diameter gaps up to 0.40mm.  LOCTITE 577        
         
         
           
LOCK 7 - Speed bonder for rubber and plastics. Elastomer load ethylic base. LOCTITE 480        
         
           
LOCK 8 - High-strength retaining compound for threaded parts, bearings, bushes, splines and keys. Temperature ranges: minus 55 to plus 150 degrees C. LOCTITE 601        
         
         

 

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This site was last updated 10/14/24