No abordaríamos un trabajo en una BMW R nine T sin una llave dinamométrica y el par de apriete correcto. En BMW son muy específicos al trabajar con las herramientas adecuadas para que los accesorios queden bien apretados, y hay ciertas piezas que pueden dañarse si se aprietan demasiado. Usamos...
piercitycustom.com
SERVICING
Oil drain plug to crankcase - M16x1.5 - 32Nm
Cylinder head cover to cylinder head - M6 - 10Nm
Housing cover to engine - M5x16 - 5Nm (thread-locking compound - Loctite 243, Medium strength)
Oil filter to crankcase - 11Nm (lubricate sealing ring with engine oil)
Spark plug to cylinder head - M10x1 - 12Nm
FRAME
Fuel tank to front frame - M8x18 - 19Nm
Oil cooler to front frame - M6x20 - 10Nm
Side stand to pivot mount - M10x1 - 40Nm (thread-locking compound - Loctite 243, Medium strength)
Side-stand switch to pivot-bearing screw - M6x16 - 6Nm (thread-locking compound - Loctite 243, Medium strength)
Bracket for front seat to rear frame: M6x20 - 8Nm & M8x40 19 Nm
Mount for front seat to bracket - M6x17.5 - 8Nm
Screw-type terminal (positive terminal) to battery-positive connection point - M6x14 - 2Nm
EXHAUST
Servomotor of exhaust-flow control valve to rear frame - M6 x 20 - 8Nm
Clamp to silencer and exhaust manifold - M8x40 - 25Nm
Silencer to rear-seat frame - M8x40 - 10Nm
Manifold to cylinder head - 21Nm
O2 sensors - 45Nm
Gearbox hanger bracket - 8Nm
CLUTCH
Clutch slave cylinder to gearbox - M6x18 - 8Nm
Clutch line to clutch lever fitting - M10x1 - 7Nm
Clutch line to clutch slave cylinder - M10x1 - 7Nm
GEARBOX
Gearbox oil filler plug - M14x1.5 - 30Nm
Gearbox oil drain plug - M18x1.5 - 30Nm
FRONT FORKS
Fork lower pinch bolts (quick-release axle) - M8x35 - 19Nm (tighten each screw in alternate sequence three times)
Lower fork bridge (bottom yoke) to fork fixed tube - M8x30 - 19Nm (tighten screws six times in alternate sequence, with washer)
Upper fork bridge (top yoke) to fork fixed tube - M8x25 - 19Nm
Locknut to cover - 20Nm
Top yoke to steering tube - M28x1 - 100Nm (thread-locking compound - Loctite 243, Medium strength) - use a rubber glove over the nut to protect it from the socket!
HANDLEBARS
Clamping block (handlebar clamp) to fork bridge, two step process;
Step 1. M10x80 - front bolts to fork bridge clamp (thread-locking compound - Loctite 243, Medium strength) - 38Nm
Step 2. M8x30 rear bolts to clamping block - 19 Nm
Handlebar controls to handlebar - M6x30 - 8Nm
Steering damper to fork bridge - M8x50 - 19Nm (replace nut if removed, thread-locking compound)
Mirror (lock nut) to adapter - M10x1.25 - 22Nm (left-hand thread)
Clutch switch to handlebar fitting - Screw for plastic, 2.2x16 - 0.4 Nm
FINAL DRIVE
Oil drain plug in bevel gears - M12x1 - 20Nm
Oil filler plug to bevel gears - M12x1.5 - 20Nm
BRAKES
Brake disc to front wheel - M8x27 - 19Nm (replace screw, designed for one use only, tighten in diagonally opposite sequence (supplied with thread-locking compound)
Brake caliper to fork lower - M10x65 - 38Nm
Bleed screw in front brake caliper - M8 - 10Nm
Grub screw (brake pads) in brake caliper - 6Nm
Brake caliper to bevel gears (final drive) - M8x25 - 24Nm
Rear brake caliper bleed screw - 5Nm
Rear brake disc to wheel carrier - M8x15.5 - Tighten first to 12Nm then tighten
in stages (diagonally opposite sequence), then repeat at 30Nm
(replace screws, designed for one use only, tighten in diagonally opposite sequence (supplied with thread-locking compound)
Brake line to lower yoke - M6x16 - 8Nm (thread-locking compound - Loctite 243, Medium strength)
FRONT WHEEL
Quick-release axle in axle holder - M24x1.5 - 50Nm
Spoke nipple on spoke - M4.5 - 3.5Nm
Mudguard bracket to forks - M5x20 - 5Nm
REAR WHEEL
Rear wheel to wheel carrier - M10x53x1.25 - 60Nm (tighten in diagonally opposite sequence, add a tiny squirt of WD40 to the thread before fitting)
Spoke nipple on spoke - M4.5 - 3.5Nm
HEADLIGHT
Headlight to bracket - M8x40 - 19 Nm
Bracket for headlight to fork bridge - M6x20 - 8Nm