Ducati 900SS 91-98

Keihin FCR 39

Split FCR 39

NeedleOCEMR
Needle Slot from top4
Main Jet155
Slow Jet60
Pilot Screw1-1/4
Slow Air Jet1/2

Torque Specs

It shows some M900’s torque specs as well.

Part Thread (mm) Nm ±10% Notes
Top yoke central retaining bolt M8x1.25 23 *GREASE B
Top yoke bolts M8x1.25 22 *GREASE B
Bottom yoke clamp bolt M8x1.25 20 *GREASE B
In the sequence 1-2-1
Front axle clamp bolt M8x1.25 20 *GREASE B Sequence 1-2-1
Steering limit lock nut M8x1.25 18 LOCK 2 (apply Loctite to nut thread only)
Steering stem nut M35x1 30 *GREASE B
Fork splashguard retaining bolt M5x0.8 5.5 LOCK 2
Part Thread (mm) Nm ±10% Notes
Front brake caliper bolt M10x1.25 43 *GREASE B Sequence 1(UP)-2-1
Front brake master cylinder bolt M6x1 9  
Rear brake bleeder fitting to caliper M10x1 7  
Front/rear brake hose fitting M10x1 20  
Gearchange lever and brake pivot bolt M8x1.25 24 LOCK 2
Part Thread (mm) Nm ±10% Notes
Handlebar top clamp bolt M8x1.25 20 *GREASE B In the sequence 1-2-1
Clutch master cylinder bolt M6x1 9 Sequence 1(UP)-2-1
Clutch hose connector M10x1 20  
Clutch bleed valve M6x1 4  
Clutch cylinder retaining screw M6x1 10  
Throttle twistgrip retaining bolt M6x1 10  
Throttle twistgrip cover retaining bolt M4x0.7 1.8  
Counterweight bolt M6x1 9  
Part Thread (mm) Nm ±10% Notes
Swingarm pivot shaft bolt M8x1.25 18 *GREASE B
Chain tensioner eccentric screw M12x1.25 33 *GREASE B Sequence 1-2-1
Bolt securing rear brake hose guide and speed sensor to swingarm M5x0.8 2.5  
Front and rear chain-guard retaining screw M6x1 6  
Caliper mounting bracket pin M12x1.25 33 LOCK 8
Part Thread (mm) Nm ±10% Notes
Shock absorber top bolt M10x1.25 45 *GREASE B
Shock absorber bottom bolt M10x1.25 45 *GREASE B
Suspension linkage upper bolt M10x1.25 45 *GREASE B
Nut securing suspension rocker arm to frame M12x1.5 75 *GREASE B
Nuts securing end fittings to tie-rod M12x1.5 36 *
Part Thread (mm) Nm ±10% Notes
Rear brake caliper bolt M8x1.25 25 *GREASE B
Front/rear brake hose fitting M10x1 20  
Rear brake master cylinder bolt M6x1 10  
Rear brake reservoir retaining bolt M6x1 2  
Part Thread (mm) Nm ±10% Notes
Front sprocket retaining nut M25x1.5 186 *GREASE B
Front sprocket cover bolt M6x1 6
Drive chain slider retaining screw M6x1 6
Part Thread (mm) Nm ±10% Notes
Front wheel nut M25x1.25 63 *GREASE B
rear wheel nut 76 *GREASE B
Front and rear brake disc retaining bolt M8x1.25 25 LOCK 2
Rear sprocket nut M10x1.25 48 LOCK 2
Bolts securing driving pins M6x1 11 LOCK 2
Part Thread (mm) Nm ±10% Notes
Headlight retaining bolt M8x1.25 12
Bolt securing headlight support to subframe on silent block 4
Tail light unit nuts M6x1 6
Number plate light nuts M5x0.8 2.5
Reflector nut M4x0.7 2
Cable guide to headlamp mount retaining screw M6x1 9
Turn signal retaining bolts M6x1 6
Headlight support retaining bolt M6x1 10
Headlight reflector retaining bolt M4x0.7 2.3
Part Thread (mm)  Nm ±10% Notes
Fasteners securing silent block mountings for instrument panel M5x0.8 4  
Bolts securing instrument panel to silent blocks M5x0.8 5  
Air temperature/pressure sensor retaining bolt M6x1 6  
Part Thread (mm) Nm ±10% Notes
Relay bracket bolt M5x0.8 1  
RH/LH handlebar switch bolt M5x0.8 3.5  
Keyswitch cover cap nut M6x1 7  
Keyswitch screw M6x1   *Tighten down the screw headuntil it fails, LOCK 2
Battery terminal bolt M6x1 6  
Starter motor nut M6x1 5  
Nut securing cable to starter relay M6x1 4  
Speed sensor retaining bolt M6x1 10  
Bolt fastening regulator to oil breather tank and frame M6x1 6  
Bolt securing regulator to oil breather tank M6x1 6  
Bolt securing battery support to silent-block mountings M6x1 6  
Bolt securing battery support to cylinder head  M6x1 10  
ECU retaining bolt M6x1 13  
Bolt securing earth cable to engine M6x1 10  
Horn bracket retaining screws M6x1 10 LOCK 2
Horn retaining screw M8x1.25 25 LOCK 2
Immobilizer antenna Mounted on assembly line between antenna and Lock   11 switch cover
Part Thread (mm) Nm ±10% Notes
Front mudguard retaining bolt M6x1 3 LOCK 2
Number plate holder bolt M6x1 5.5  
Bolt securing splashguard to underseat M6x1 1.8  
Nut securing number plate holder to splashguard M6x1 1.9  
Part Thread (mm) Nm ±10% Notes
Side panel retaining bolt M5x0.8 0.8  
Bolt securing headlight shell to mounting bracket M6x1 8  
Part Thread (mm) Nm ±10% Notes
Fuel hose clamp   1.5  
Tank filler cap screw M5x0.8 6  
Tank hinge bracket retaining screw M6x1 10  
Fuel tank rubber mounting retaining screw M6x1 10  
Part Thread (mm) Nm ±10% Notes
Seat lock nut M22x1.5 1 LOCK 3
Seat lock support retaining screw M5x0.8 6  
Seat cover support retaining screw M5x0.8 3  
Seat slide screw M5x0.8 6 LOCK 2
Bolt securing seat cover and storage compartment cover to seat M6x1 2  
Seat lock screw M5x0.8 6  
Part Thread (mm) Nm ±10% Notes
Gearchange lever and brake pivot bolt M8x1.25 24 LOCK 2
Gearchange lever retaining bolt M6x1 10 LOCK 1
Bolt securing gearchange linkage pivot to gearchange lever M6x1 10  
Bolts securing front footrest bracket to engine  M10x1.5  36  
Bolts securing front footrest brackets to swingarm pivot shaft M12x1.5 55 *GREASE B
Bolts securing rear footrest brackets to frame M8x1.25 24 LOCK 2
Bolt securing heel guard to footrest bracket M5x0.8 5 LOCK 2
Part Thread (mm) Nm ±10% Notes
Nut for engine-frame bolt M12x1.5 60 *GREASE B
Screw securing hose guide to starter motor screw M6x1 9  
Part Thread (mm) Nm ±10% Notes
Sidestand bracket bolt M10x1.5 36 LOCK 5
Sidestand sensor cable clamp bolt M6x1 10  
Sidestand pivot bolt nut M8x1.25 24  
Stand sensor bolt M6x1 10  
Part Thread (mm) Nm ±10% Notes
Oil cooler retaining bolt M6x1 9  
Oil pipe union on cooler with TWIN SEAL O-ring M16x1.5 25 *Lubricate with engine oil (Shell Advance Ultra 4)
Oil pipe union on crankcase with Twin Seal O-ring M16x1.5 25 Lubricate with engine oil (Shell Advance Ultra 4)
Oil cooler nipple M14x1.5 27 LOCK 1
Oil pipe union on crankcase M10x1 19  
Oil delivery pipe to cylinder heads fitting M10x1 15  
Part Thread (mm) Nm ±10% Notes
Fastener securing air box stud bolt to air box M6x1 6  
Fastener securing air box stud to dowel M6x1 4  
Fastener securing screw to front of air box M6x1 10  
Oil breather valve hose clamp M7x2 1.2  
Oil breather tank hose clamp M7x2  2  
Bolt securing oil breather tank to frame M6x1 6  
Screws securing springs to intake funnels M5x0.8 3  
EVAP system canister filter  Throttle body clamp M4x0.7 1  
Restricter plate retaining screw for power restricted model M5x0.8 4.8 LOCK 1
Bolt securing canister support to engine M6x1 10  
Canister clamp retaining screw   1.7  
Part Thread (mm) Nm ±10% Notes
Exhaust pipe clamp retaining bolt M8x1.25 19  
Special bolt securing exhaust manifolds to crankcase M12x1.5 25 LOCK 1
Bolt securing exhaust pipes to crankcase M6X1 9  
Fasteners securing 1/8” gas stainless steel plugs to exhaust pipes M10x1.25 25  
Bolt securing silencer to frame M8x1.25 24  
Bolt securing heat shield to silencer M6x1 10 LOCK 2
Bolt securing heat shield to exhaust M5x0.8 2.4 LOCK 2
Nuts securing exhaust pipes to horizontal and vertical cylinder heads M6x1 10  
Lambda probe fastener M8x1.5 45  

Wiring Diagram

Original

MotoGadget mo.unit blue ver

Rear Suspension Unit

My Ducati 900 SS is using Öhlins DU048

Model900 SS-SLMontjuich
Year91-98All
Part No.DU235DU048
P/C1727
Length mm328+12-0326+12-0
Stroke mm6858
Spring1092-26 84NM1091-24-80NM
Type46PRCL46HRCLS