Richard's ST2 pages - torque specifications

Information on this page last updated 08/17/01.

The following are from the Ducati ST2 shop manual:

Product Specifications
Abbreviation Specifications

GREASE A Multipurpose, medium fibre, lithium grease

GREASE B Molybdenum disulphide grease, high mechanical stress and high temperature resistant

GREASE C Bearing/joint grease for parts subject to prolonged mechanical stress. Temperature range: -10C to 110C/14F to 230F

LOCK 1 Low-strength threadlocker

LOCK 2 Medium-strength threadlocker

LOCK 3 High-strength threadlocker

LOCK 4 Flange sealant. Resistant to high mechanical stress, solvents and high temperatures (up to 200C/392F). For pressures up to 350 Atm. Fills gaps up to 0.4mm/0.014 in.

LOCK 5 Permanent adhesive for smooth or threaded cylindrical fasteners on mechanical parts. High resistance to mechanical stresses and solvents. Temperature range -55C to 175C/-70F to 302F.

LOCK 6 Pipe sealant for pipes and medium to large fasteners. For water and gases (except oxygen) Maximum filling capacity: diameter gaps up to 0.40mm/0.015in.

LOCK 7 Speed bonder for rubber and plastics. Elastomer loaded ethylic base.

LOCK 8 High-strength retaining compound for threaded parts, bearings, bushes, splines, and keys. Temperature range -55C to 150C/-70F to 302F.

ST2 Engine Torque Specifications
Part Thread (mm) Torque (N-m) Notes

Head nuts (final torque) 10x1.5 38.5 GREASE C, preliminary torque: first 15N-m, then 30 Nn

Connecting rod screws (final torque) 10x1 66.5 GREASE C, preliminary torque: first 19.5 N-m, then 34.5 N-m

Crankshaft gear nut 22x1 140

Alternator rotor nut 20x1 181.5 LOCK 8

Gear lever retaining screws 8x1.25 11

Clutch drum nut 20x1 181.5

Timing shaft gear nut 14x1 42

Timing pulley ring nut on drive 15x1 61.5

Timing pulley ring nut on head 15.1 71.5

Mobile tensioner pin 8x1.25 26

Spark Plug 12x1.25 24.5

Gear drum positioning screw 16x1.5 32

Clutch housing screw 8x1 32 LOCK 4

Cam shaft support screws 6x1 11

Alternator and ingnition cableway ring nut 22x1.5 42

Fixed tensioner pin 8x1.25 26

Flywheel flange screws 6x1 13.5 LOCK 8

Valve cover screws 6x1 11

Casing connection screws 8x1.25 24.5 GREASE B, preliminary torque: 18.5 N-m

Casing connection screws 6x1 11

Gearbox bearing plate screws 6x1 9 LOCK 1

Water pump bearing screws 6x1 9 LOCK 1

By-pass plug 18x1.5 42 LOCK 2

Cylinder head stud bolts 10x1.5 ? LOCK 2

Intake and exhaust flange stud bolts 8x1.25 ? LOCK 2

Mesh filter oilway plug 12x1 23.5 LOCK 5

Oil pump oilway plug 10x1.5 9 LOCK 5

Water pump delivery port 22x1.5 23.5 LOCK 5

Oil filter nipple 16x1.5 42 LOCK 1

Oil drain plug 22x1.5 42

Idle warning light switch 8x1 6

Mesh oil filter 22x1.5 42

Cartridge oil filter 16x1.5 17.5

Water intake port 30x1.5 23.5 LOCK 5

Breather cap 40x1.5 42

Radiator hose closing plug 14x1.5 42

Alternator stator screws 6x1 9 LOCK 1

Intake and exhaust manifold nuts 8x1.25 23.5

Starter idling gear pin screws 6x1 9 LOCK 2

Filler 12x1 23.5 LOCK 5

Oil pump body screws 8x1.25 23.5

Oil pump body and cover screws 6x1 9

Ignition sensor screws 5x0.8 5

Pressure switch 10x1 19

Alternator cover screws 6x1 9

Screws for water connection to cylinder and head 6x1 9

Clutch cover screws 6x1 9

Starter motor screws 6x1 9 LOCK 2

Water temperature warning light switch 10x1 23.5

ST2 Frame Torque Specifications
Part Thread (mm) Torque (N-m) Notes

LH front wheel nut 25x1.25 63 GREASE B

Rear wheel nut 25x1.25 83 GREASE B

Shock absorber upper screw 10x1.25 42 GREASE B

Shock absorber lower screw 10x1.25 42 GREASE B

Suspension upper fixing screw 10x1.25 42 GREASE B

Suspension rocker nut to frame 12x1.75 75 GREASE B

Chain tensioner bolt 8x1.25 8 GREASE A

Swinging arm pivot shaft screw 10x1.5 43 GREASE B

Engine mounting bolt 10x1.25 43 GREASE B

Steering Head Screw 8x1.25 23 GREASE B

Steering bottom yoke screw 8x1.25 20 GREASE B

Handle bar fixing screw 8x1.25 24 LOCK 1

Front brake caliper fixing screw 10x1.25 43 GREASE B

Rear brake caliper fixing screw 8x1.25 25 GREASE B

Clutch cylinder fixing screw 6x1 9

Front brake cylinder fixing screw 6x1 9

Chain cover screw 6x1 3 LOCK 2

Sprocket locking bolt 5x0.8 6 LOCK 1

Sprocket casing screw 6x1 9

Rear sprocket bolt 10x1.25 46 LOCK 2 (with reaction)

Brake disc fixing bolt 8x1.25 25 LOCK 2

Chain slider fixing screw 6x1 9 LOCK 1

Headlamp retaining nut 8x1.25 24

Brake bleed nipple 10x1 12

Clutch hose connector 10x1 19

Clutch bleed nipple 6x1 4

Kickstand support plate 10x1.5 43 LOCK 5

Kickstand pin nut 8x1.25 24

Horn retaining screw 8x1.25 24 LOCK 2

Fork end bolt 8x1.25 19 GREASE B

Fairing retaining screw 6x1 9 LOCK 1

Front brake cylinder fixing screw 6x1 10

Rear brake cylinder bracket screw 10x1.5 43 LOCK 5

Rear brake lever pin 10x1.5 29 LOCK 5

Front and rear footrest supports 8x1.25 24 LOCK 2

Front footrest guard screw 5x0.8 5 LOCK 2

Gear change lever fxing bolt 6x1 9 LOCK 2

Throttle twistgrip fixing screw 6x1 9

RH switch unit screw 4x0.7 5

Side panel stud bolt 5x0.8 4

Rear light nut 6x1 6

Fuel tank nut 6x1 8

Fuel tank drain screw 10x1.25 19 LOCK 6

Ignition keywitch retaining screw 6x1 9 LOCK 1

Fuel filler retaining screw 5x0.8 5

Front mudguard fixing screw 6x1 3 LOCK 2

Gear change pedal pin 8x1.25 23 LOCK 2

Battery cable screws 6x1 6

Number plate light nut 5x0.8 4

Reflector fixing nut 4x0.7 3

Steering lock set screw 8x1.25 24 LOCK 2

Rear handle screw 6x1 9 LOCK 2

Steering bearing ring nut 35x1 30

Fuel filler flange 12x1.25 33 LOCK 6

Seat clamp ring nut 22x1.5 1 LOCK 3

Rear wheel cush pad pin 14x1.5 46 LOCK 8

Tie rod ball joint nut 12x1.5 36

Battery support stud bolt 6x1 9 LOCK 2

Glove box screws 6x1 9 LOCK 2

Absolute pressure set screw 4x0.7 3

Fork spray cover screw 5x0.8 6 LOCK 2

Exhaust pipe clip screws 8x1.25 23

Centre stand pivot bolt 10x1.25 43 LOCK 5

Centre stand pivot nut 10x1.5 43 GREASE A

Side panel clamp screws 6x1 6 LOCK 2

Instrument panel support pin 6x1 5 LOCK 1

Exhaust ring fixing nut 8x1.25 21

Nut and bolt 4x0.7 4

Nut and bolt 5x0.8 6

Nut and bolt 6x1 10

Nut and bolt 6x1 6 (on plastic)

Nut and bolt 8x1.25 24

Nut and bolt 10x1.5 36

Nut and bolt 12x1.75 55

Product Specifications
Abbreviation	Specifications
GREASE A	Multipurpose, medium fibre, lithium grease
GREASE B	Molybdenum disulphide grease, high mechanical stress and high temperature resistant
GREASE C	Bearing/joint grease for parts subject to prolonged mechanical stress. Temperature range: -10C to 110C/14F to 230F
LOCK 1	Low-strength threadlocker
LOCK 2	Medium-strength threadlocker
LOCK 3	High-strength threadlocker
LOCK 4	Flange sealant. Resistant to high mechanical stress, solvents and high temperatures (up to 200C/392F). For pressures up to 350 Atm. Fills gaps up to 0.4mm/0.014 in.
LOCK 5	Permanent adhesive for smooth or threaded cylindrical fasteners on mechanical parts. High resistance to mechanical stresses and solvents. Temperature range -55C to 175C/-70F to 302F.
LOCK 6	Pipe sealant for pipes and medium to large fasteners. For water and gases (except oxygen) Maximum filling capacity: diameter gaps up to 0.40mm/0.015in.
LOCK 7	Speed bonder for rubber and plastics. Elastomer loaded ethylic base.
LOCK 8	High-strength retaining compound for threaded parts, bearings, bushes, splines, and keys. Temperature range -55C to 150C/-70F to 302F.

ST2 Engine Torque Specifications
Part	Thread (mm)	Torque (N-m)	Notes
Head nuts (final torque)	10x1.5	38.5	GREASE C, preliminary torque: first 15N-m, then 30 Nn
Connecting rod screws (final torque)	10x1	66.5	GREASE C, preliminary torque: first 19.5 N-m, then 34.5 N-m
Crankshaft gear nut	22x1	140
Alternator rotor nut	20x1	181.5	LOCK 8
Gear lever retaining screws	8x1.25	11
Clutch drum nut	20x1	181.5
Timing shaft gear nut	14x1	42
Timing pulley ring nut on drive	15x1	61.5
Timing pulley ring nut on head	15.1	71.5
Mobile tensioner pin	8x1.25	26
Spark Plug	12x1.25	24.5
Gear drum positioning screw	16x1.5	32
Clutch housing screw	8x1	32	LOCK 4
Cam shaft support screws	6x1	11
Alternator and ingnition cableway ring nut	22x1.5	42
Fixed tensioner pin	8x1.25	26
Flywheel flange screws	6x1	13.5	LOCK 8
Valve cover screws	6x1	11
Casing connection screws	8x1.25	24.5	GREASE B, preliminary torque: 18.5 N-m
Casing connection screws	6x1	11
Gearbox bearing plate screws	6x1	9	LOCK 1
Water pump bearing screws	6x1	9	LOCK 1
By-pass plug	18x1.5	42	LOCK 2
Cylinder head stud bolts	10x1.5	?	LOCK 2
Intake and exhaust flange stud bolts	8x1.25	?	LOCK 2
Mesh filter oilway plug	12x1	23.5	LOCK 5
Oil pump oilway plug	10x1.5	9	LOCK 5
Water pump delivery port	22x1.5	23.5	LOCK 5
Oil filter nipple	16x1.5	42	LOCK 1
Oil drain plug	22x1.5	42
Idle warning light switch	8x1	6
Mesh oil filter	22x1.5	42
Cartridge oil filter	16x1.5	17.5
Water intake port	30x1.5	23.5	LOCK 5
Breather cap	40x1.5	42
Radiator hose closing plug	14x1.5	42
Alternator stator screws	6x1	9	LOCK 1
Intake and exhaust manifold nuts	8x1.25	23.5
Starter idling gear pin screws	6x1	9	LOCK 2
Filler	12x1	23.5	LOCK 5
Oil pump body screws	8x1.25	23.5
Oil pump body and cover screws	6x1	9
Ignition sensor screws	5x0.8	5
Pressure switch	10x1	19
Alternator cover screws	6x1	9
Screws for water connection to cylinder and head	6x1	9
Clutch cover screws	6x1	9
Starter motor screws	6x1	9	LOCK 2
Water temperature warning light switch	10x1	23.5

ST2 Frame Torque Specifications
Part	Thread (mm)	Torque (N-m)	Notes
LH front wheel nut	25x1.25	63	GREASE B
Rear wheel nut	25x1.25	83	GREASE B
Shock absorber upper screw	10x1.25	42	GREASE B
Shock absorber lower screw	10x1.25	42	GREASE B
Suspension upper fixing screw	10x1.25	42	GREASE B
Suspension rocker nut to frame	12x1.75	75	GREASE B
Chain tensioner bolt	8x1.25	8	GREASE A
Swinging arm pivot shaft screw	10x1.5	43	GREASE B
Engine mounting bolt	10x1.25	43	GREASE B
Steering Head Screw	8x1.25	23	GREASE B
Steering bottom yoke screw	8x1.25	20	GREASE B
Handle bar fixing screw	8x1.25	24	LOCK 1
Front brake caliper fixing screw	10x1.25	43	GREASE B
Rear brake caliper fixing screw	8x1.25	25	GREASE B
Clutch cylinder fixing screw	6x1	9
Front brake cylinder fixing screw	6x1	9
Chain cover screw	6x1	3	LOCK 2
Sprocket locking bolt	5x0.8	6	LOCK 1
Sprocket casing screw	6x1	9
Rear sprocket bolt	10x1.25	46	LOCK 2 (with reaction)
Brake disc fixing bolt	8x1.25	25	LOCK 2
Chain slider fixing screw	6x1	9	LOCK 1
Headlamp retaining nut	8x1.25	24
Brake bleed nipple	10x1	12
Clutch hose connector	10x1	19
Clutch bleed nipple	6x1	4
Kickstand support plate	10x1.5	43	LOCK 5
Kickstand pin nut	8x1.25	24
Horn retaining screw	8x1.25	24	LOCK 2
Fork end bolt	8x1.25	19	GREASE B
Fairing retaining screw	6x1	9	LOCK 1
Front brake cylinder fixing screw	6x1	10
Rear brake cylinder bracket screw	10x1.5	43	LOCK 5
Rear brake lever pin	10x1.5	29	LOCK 5
Front and rear footrest supports	8x1.25	24	LOCK 2
Front footrest guard screw	5x0.8	5	LOCK 2
Gear change lever fxing bolt	6x1	9	LOCK 2
Throttle twistgrip fixing screw	6x1	9
RH switch unit screw	4x0.7	5
Side panel stud bolt	5x0.8	4
Rear light nut	6x1	6
Fuel tank nut	6x1	8
Fuel tank drain screw	10x1.25	19	LOCK 6
Ignition keywitch retaining screw	6x1	9	LOCK 1
Fuel filler retaining screw	5x0.8	5
Front mudguard fixing screw	6x1	3	LOCK 2
Gear change pedal pin	8x1.25	23	LOCK 2
Battery cable screws	6x1	6
Number plate light nut	5x0.8	4
Reflector fixing nut	4x0.7	3
Steering lock set screw	8x1.25	24	LOCK 2
Rear handle screw	6x1	9	LOCK 2
Steering bearing ring nut	35x1	30
Fuel filler flange	12x1.25	33	LOCK 6
Seat clamp ring nut	22x1.5	1	LOCK 3
Rear wheel cush pad pin	14x1.5	46	LOCK 8
Tie rod ball joint nut	12x1.5	36
Battery support stud bolt	6x1	9	LOCK 2
Glove box screws	6x1	9	LOCK 2
Absolute pressure set screw	4x0.7	3
Fork spray cover screw	5x0.8	6	LOCK 2
Exhaust pipe clip screws	8x1.25	23
Centre stand pivot bolt	10x1.25	43	LOCK 5
Centre stand pivot nut	10x1.5	43	GREASE A
Side panel clamp screws	6x1	6	LOCK 2
Instrument panel support pin	6x1	5	LOCK 1
Exhaust ring fixing nut	8x1.25	21
Nut and bolt	4x0.7	4
Nut and bolt	5x0.8	6
Nut and bolt	6x1	10
Nut and bolt	6x1	6	(on plastic)
Nut and bolt	8x1.25	24
Nut and bolt	10x1.5	36
Nut and bolt	12x1.75	55

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