Tightening torques of fastening elements (Aprilia RS125/3)

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Check and, if necessary, tighten after the first 1000 km (621 mi) and after every 4000 km (2485 mi) or 12 months.

Warning! The fastening elements specified in the table must be tightened to the specified torque value using a torque wrench and, where recommended, applying LOCTITE ®.

Notes:

• L243 = tighten with Loctite® 243
• Lub = lubricate

Description	Quantity	Screw/Nut	Nm	Kgm	Notes
FRAME
Frame head connector screw	4	Tcei M8x20	22	2.2
Seat holder-to-frame fastener	4	Tcei M8x25	22	2.2
Instrument holding subframe-to-frame fastener	2	Te fi M6x45	10	1.0
Filter box-to-seat holder fastener	2	Te fi M6x20	5	0.5
Splitter-to-frame fitting	2	Te fi M6x20	10	1.0
FOOTPEGS
Passenger footpeg mount	4	Tcei M8x30	22	2.2
Passenger footpeg mount	4	Tcei M8x20	22	2.2
Pilot left footpeg guard	2	Te fi M5x15	3	0.3
Rider footpeg guard	4	M8 nut	13	1.3
Pilot upper footpeg mount	2	Tcei M8x35	22	2.2
Passenger footpeg mount	4	M8 nut	13	1.3
STAND
Flanged screw stand connector	2	Te fi M8x35	22	2.2
Stand connector	2	M8 nut	13	1.3
Side stand spindle	1	M10X1.25	10	1.0
Stand spindle lower nut	1	M10X1.25	25	2.5
Switch fastening screw	1	Te fi M6x16	10	1.0	L243
SWINGARM
Chain slider / brake line clamp	5	Tbei M5x12	2	0.2
Lower rear mudguard	2	Te fi M6x16	5	0.5
Swingarm pivot shaft fastener	1	Swingarm pivot shaft	100	10.0
Ring nut adjusting bushing	1	Bushing	12	1.2	lubricate
Chain slider	1	Tbei M5x16	2	0.2
Swingarm pivot shaft adjustment	1	Ring nut	35	3.5
FRONT SUSPENSION
Leg-to-plate fastener	4	Tcei M8x30	25	2.5
Leg-to-plate fastener	2	Tcei M8x25	25	2.5
Steering tube nut	1	Steering tube screw	80	8.0
REAR SUSPENSION
Rear shock absorber-to- frame fastener	1	Tcei M 10x80	50	5.0	lubricate
Single conrod-to-frame fastener	1	Tcei M10x120	50	5.0	lubricate
Twin conrod-to-single conrod fastener	1	TepfM 10x75	50	5.0	lubricate
Twin conrod-to-swingarm fastener	1	Tcei M 12x78.5	80	8.0	lubricate
Rear shock absorber-to-twin conrod fastener	1	Tepf M8x40	25	2.5	lubricate
Lower self-locking nut	1	M12	110	11.0
Lower self-locking nut	1	M8	22	2.2
Flanged self-locking nut	3	M10	50	5.0
ENGINE
Tcei screw frame head connector	4	Tcei M8x20	22	2.2
Upper front engine mount	1	Tcei M10x120	50	5.0
Lower front engine mount	1	Tepf M10x205	50	5.0
Rear engine mount	1	Tcei M8x85	22	2.2
Gearbox transmission conrod mounting	1	Те fi M6x20	10	1.0
Lower rear fastener	1	Те fi M8x70	22	2.2
Left M6 nut	1	M6	5	0.5
Sprocket guard casing fixing	2	Tcei M6x20	5	0.5
M6 nut	1	M6	5	0.5
FILTER BOX
Filter box fixing	2	Te fi M6x25	5	0.5
EXHAUST SYSTEM
Muffler central part mounting (holder)	1	Tcei M8x70	22	2.2
Muffler-to-mount fixing	1	Tcei M8x50	22	2.2
Clamp-on-rubber bushing fixing	1	Tcei M8x12	22	2.2
Rubber bushing-on-mounts fixing	3	M8 nut	22	2.2
COOLING SYSTEM
Water breather fastener	1	Tcb 5.5x15.9	2	0.2
Radiator fixing with frame mount	1	Te fi M6x16	10	1.0
Breather screw-on-radiator fixing	1	Te fi M6x12	7	0.7
Expansion tank mounting	1	Te fi M6x16	3	0.3
FRONT WHEEL
Front wheel shaft fixing	1	Shaft screw	80	8.0
Legs-to-wheel shaft fixing	4	Tcei M6	10	1.0
REAR WHEEL
Rear wheel shaft fixing	1	Shaft nut	100	10.0
FRONT BRAKE
Mount-to-plate fixing	1	Te fi M6x16	7	0.7
Front brake oil tank fixing	2	Te fi M5x16	3	0.3
Front brake disc fixing	6	Te fi M8x20	22	2.2	L243
Brake caliper mounting	2	Te fi M8x35	22	2.2	lubricate
Brake oil line-on-caliper fixing	1	M10x12 spec	20	2.0
REAR BRAKE
Tube tie-on-swingarm fixing	2	Te fi M5x12	3	0.3
Rear brake oil tank fixing	1	Te fi M6x16	7	0.7
Rear brake disc fixing	6	Te fi M6x20	10	1.0	L243
Brake oil line-on-caliper fixing	1	M10x12 spec	20	2.0
Brake lever adjuster	1	Te fi M6x25	10	1.0
Rear brake master cylinder and guard mounting	2	Te fi M6x35	10	1.0
Brake caliper mounting	1	Te fi M8x20	22	2.2
Brake caliper mounting	1	Te fi M8x30	22	2.2
HANDLEBARS AND CONTROLS
Damping pads fastening	2	Tcei M6x60	10	1.0
Control box-to-handlebar fixing	4	Tcei M5	3	0.3
ELECTRICAL PARTS
Battery box mount plate mounting	4	Te fi M5x25	5	0.5
	1	Te fi M6x16	5	0.5
Horn mounting	1	Te fi M8x16	22	2.2
Frame / battery box fixing	4	Tcei M8x30	22	2.2
Oil tank and tail guard mounting	1	Te fi M6x20	5	0.5
Fuse mount-to-frame mounting	2	Tcei M6x20	5	0.5
Front headlamp-to-front fairing fixing	3	Swp 5x20	2	0.2
Coil-on-mount mounting	2	Te fi M6x45	10	1.0
Voltage regulator assembling	2	Te fi M6x25	10	1.0
Battery box fixing	2	Te fi M6x12	5	0.5
HEADLAMP AND INSTRUMENT PANEL
Tail light-to-number plate holder mount fixing	2	Tcb 4.8x13	2	0.2
Tail light-on-mount fixing	2	Tcb 4.2x25	2	0.2
TANK
Front part tank fixing	1	Tcei M6x50	7	0.7
Rear part fuel tank assembling	1	Tepf M6x70	7	0.7
Rear brake oil tank fixing	1	Te fi M6x16	3	0.3
Tank plug fixing	3	Tcei M5x30	5	0.5
Spacer / tank plug fixing	6	Tcei M5x16	3	0.3
Fuel cock-to-tank fixing	2	Tefi M5x12	3	0.3
SEAT
Passenger seat-on-tail guard fixing	7	Swp 3.9x10	2	0.2
Passenger seat-to-tail guard front fixing	2	M5 nut	2	0.2
Passenger seat strap fixing	2	Te fi M6x20	5	0.5
Passenger seat strap fixing	2	M6 nut	5	0.5
Passenger seat strap fixing	2	fi M6 nut	5	0.5

Steel / aluminium screws with similar elastic pitches

SCREW	Nm	Kgm
M4	3	0.3
M5	6	0.6
M6	12	1.2
M8	25	2.5
M10	50	5.0
M12	80	8.0

See this article in russian language

Article about repair motorcycles «Aprilia RS-series RS 125» (1998-2005): «Tightening torques of fastening elements»: https://motoinstruction.ru/en/Aprilia/RS/RS125-3/owner/service/112755 <a href="https://motoinstruction.ru/en/Aprilia/RS/RS125-3/owner/service/112755">Tightening torques of fastening elements</a> - article about repair motorcycles «Aprilia RS-series RS 125» (1998-2005) from section «Maintenance». [url=https://motoinstruction.ru/en/Aprilia/RS/RS125-3/owner/service/112755]Tightening torques of fastening elements[/url] - article about repair motorcycles «Aprilia RS-series RS 125» (1998-2005) from section «Maintenance».