GTS Complete torque settings as per workshop manual
Overview
Taken from the GTS 250 workshop manual, (foots-pound conversion: 1nm= 0.737562121 foot-pounds).



GRUPPO STERZO
Item Newton-Meters Foot-Pounds Notes
Upper steering ring nut 35 - 40 26 - 30
Lower steering ring nut 12 - 14 9 - 10
Handlebar fixing screw 45 - 50 33 - 37 (The two screws must be tightened to the prescribed torque after having done so with the rear wheel axle nut.
Fixing screws for handlebar control assembly U-bolts 7 - 10 5 - 7


FRAME ASSEMBLY

Item Newton-Meters Foot-Pounds Notes
Engine-swinging arm bolt 64 - 72 47 - 53
swinging arm bolt - body shell 76 - 83 56 - 61
Engine and vehicle side swinging arm junction bolt 33 - 41 24- 30
Bolt of the Silent block support plate 42 - 52 31 - 38
Centre stand bolt 32 - 40 24 - 30
Side stand fixing bolt 35 - 40 26 - 30


SOSPENSIONE ANTERIORE

Item Newton-Meters Foot-Pounds Notes
Screw fixing the shock absorber to the shock absorber - caliper attachment plate 20 - 27 15 - 20
Wheel axle nut 74 - 88 55 - 65
Wheel screw 20 - 25 15 - 18
Screw fixing rear mudguard to steering 5 - 6.5 4 - 5
shock absorber upper clamp 20 - 30 15 - 22


FRENO ANTERIORE

Item Newton-Meters Foot-Pounds Notes
Brake fluid pump - hose fitting 20 - 25 15 - 18
Brake fluid tube- calliper fitting 19 - 24 14 - 18
Vite serraggio pinza alla piastra attacco ammortizzatore - pinza freno 24 - 27 18 - 20
Disc tightening screw 6 4 (Apply LOCTITE 242 threadlock, medium strength)
Oil bleed screw 12 - 16 9 - 12
Pad fastening pin 19.6 - 24.5 14 - 18
Viti vaschetta pompa freno 1,5 - 2 1.1- 1.5


REAR SUSPENSION

Item Newton-Meters Foot-Pounds Notes
Retainer for left shock absorber to crankcase support plate 20 - 25 15 - 18
Shock absorber upper fitting 20 - 25 15 - 18
Shock absorber lower fitting 33 - 41 24 - 30
Rear wheel shaft 104 - 126 77 - 93
Screw fixing wheel to hub 20 - 25 15 - 18
Screws for muffler - shock absorber support arm on engine 20 - 25 15 - 18
The two screws must be tightened to the prescribed torque after having done so with the rear wheel axle nut.

FRENO POSTERIORE

Item Newton-Meters Foot-Pounds Notes
Brake fluid pump - hose fitting 20 - 25 15 - 18
Brake fluid pipe-calliper fitting 20 - 25 15 - 18
Rear disc tightening bolt 11 - 13 8 - 10
Oil bleed screw 12-16 9 - 12
Calliper to engine tightening screw 20 - 25 15 - 18
Viti vaschetta pompa freno 1,5 - 2 1. - 1.5
Vite accoppiamento pinza 30 - 33 22 - 24


MUFFLER

Item Newton-Meters Foot-Pounds Notes
Muffler heat guard fixing screw 4 - 5 3 - 4
Screw for fixing muffler to the support arm 20 - 25 15 - 18
Lambda probe clamp on exhaust manifold 40 - 50 30 - 37
Exhaust manifold-muffler joint clamp 12 - 13 9 - 10
Manifold - muffler diaphragm tightening clamp 16 - 18 12 - 13



LUBRICATION

Item Newton-Meters Foot-Pounds Notes
Hub oil drainage plug 15 - 17 11 - 13
Oil filter on crankcase fitting 27 - 33 20 - 24
Engine oil drainage plug
mesh filter 24 - 30 18 - 22
[b]Oil filter 4 - 6 3 - 4
Oil pump cover screws 7 - 9 5 7
Screws fixing oil pump to the crankcase 5 - 6 4 - 4
Oil pump control crown screw 10 - 14 7 - 10
Oil pump cover plate screws 4 - 6 3 - 4
Oil sump screws 10 - 14 7 - 10
Minimum oil pressure sensor 12 - 14 9 - 10

CYLINDER HEAD

Item Newton-Meters Foot-Pounds Notes
Spark plug 12 - 14 9 - 10
Head cover screws 6 - 7 4 - 5
Nuts fixing head to cylinder 7±1,+ 10±1,+ 270 degree
Head fixing side screws 11 - 12 8 - 9
Starter ground screw 7 - 8.5 5 - 6
Tappet set screw lock nut 6 - 8 4 - 6
Inlet manifold screws 11 - 13 8 - 10
Timing chain tensioner slider screw 10 - 14 7 - 10
Start-up counterweight support screw 11 - 15 8 - 11
Timing chain tensioner support screw 11 - 13 8 - 10
Timing chain tensioner central screw 5 - 6 4 - 4
Camshaft retention plate screw 4 - 6 3 - 4


Transmission

Item Newton-Meters Foot-Pounds Notes
Belt support roller screw 11 - 13 8 - 10
Clutch unit nut on driven pulley 45 - 50 33 - 37
Drive pulley nut 75 - 83 55 - 61
Transmission cover screws 11 - 13 8 -10
Driven pulley shaft nut 54 - 60 40 - 44
Rear hub cap screws 24 - 27 18 - 20


FLYWHEEL

Item Newton-Meters Foot-Pounds Notes
Flywheel cover screw 11 - 13 8 -10
Stator assembly screws 3 - 4 2 - 3 (Apply LOCTITE 242 medium-strength threadlock)
Flywheel nut 94 - 102 69 - 75
Pick-Up clamping screws 3 - 4 2 - 3
Screw fixing freewheel to flywheel 13 - 15 10-11


CRANKCASE AND CRANKSHAFT

Item Newton-Meters Foot-Pounds Notes
Internal engine crankcase bulkhead (transmission-side half shaft) screws 4 - 6 3 - 4
[b]Engine-crankcase coupling screws 11 - 13 8 - 10
Starter screws 11 - 13 8 - 10
Crankcase timing cover screws 3.5 - 4.5 2.6 - 3.3


COOLING

Item Newton-Meters Foot-Pounds Notes
Water pump rotor cover 3 - 4 2 - 3
Thermostat cover screws 3 - 4 2- 3
Bleed screw: 3 2
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