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Aprilia SX 125 Engine parts

1. Choose model
RX/SX 125 (from 2025, XS)
RX/SX 125 (2021 to 2024, KT - Euro5)
SX 125 (2018 to 2020, KXB - Euro4)
SX 125 (2008 to 2014)
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Quickshifter UMA
Quickshifter UMA, Universell
Improve your motorcycle experience with the Uma Racing quick shift lever. This innovative accessory allows you to shift gears without the need for the clutch, while protecting your motorcycle transmission. Installation is as easy as can...

Available

€259.90 *
Shaft seal ring water pump shaft Piaggio OEM
Shaft seal ring water pump shaft Piaggio OEM, Aprilia M545 Motoren (RS4 / RS / RX / SX 125 4T)
Original spare part from Aprilia. OEM part number for comparison purposes 1A005891

Out of Stock

€19.99 *
Clutch spring Piaggio/Aprilia Original Spare Part
Clutch spring Piaggio/Aprilia Original Spare Part , Aprilia 125cc M545 4 stroke engines
Scope of delivery: 1 piece . 5pcs. are installed in the engine. You should order 5 pieces to fully restore the contact pressure. Spare part number for comparison 879285

Available

€13.98 *
Spark plug hole gasket cylinder head Aprilia OEM
Spark plug hole gasket cylinder head Aprilia OEM, Rotax 122/123, O-Ring, 23,3 x 2,4mm
Aprilia original spare part. This sealing ring is used as a seal between the water circuit and the spark plug hole/cylinder head cover. OEM part number for comparison purposes Aprilia, Piaggio: AP0430782

Almost gone

€6.99 *
Clutch separating disk Aprilia OEM
Clutch separating disk Aprilia OEM, Aprilia/Piaggio 125 4T (M545M) Motor, Typ: B
This item is an original spare part of the Aprilia/Piaggio brand. Cutting disk type: B. This type of cutting disk is installed a total of 3 times in the M545M engine. Only the top disk in front of the pressure plate differs! This can be...

Available

€19.95 *
Injector holder Piaggio / Aprilia OEM
Injector holder Piaggio / Aprilia OEM, Aprilia/Piaggio 125 4T (M545M) engine, various vehicles
Retaining system for the injector of Aprilia 125cc 4-T engines. OEM part number for comparison purposes Piaggio / Aprilia: 1A011529

Available

€29.94 *
Float chamber drain plug Float chamber drain plug, PWK Carburetor, Orange
Simple styling part for flat slide and type PWK carburetor. The screw is made of anodized aluminum. Delivery Incl. gasket

Available

€6.00 *
Crankshaft seal / oil ring Barikit
Crankshaft seal / oil ring Barikit, Rotax 122 (Aprilia RS / Tuono 125 up to year 05), pair
This pack contains 2 reinforced competition Viton spy joints for the crankshaft, specially designed for anti-friction and high speed. They are smaller and lighter than the original joints for the ROTAX 125cc engine, resulting in improved...

Almost gone

€12.99 *
ECU engine control unit Malossi Force Master
ECU engine control unit Malossi Force Master, Aprilia RX/SX/RS/Tuono ab year 21
Malossi Force Master ECU is a great tuning component for your motorcycle. It allows you to adjust the engine control settings and thus improve the performance and efficiency of the machine. The installation and operation is simple and...

Available

€389.90 *
Intake manifold Piaggio OEM
Intake manifold Piaggio OEM, Aprilia RX/SX 125 from model year 21 onwards
This item is an original spare part of the Piaggio brand. OEM number for comparison purposes: 1A017577

Out of Stock

€44.95 * ; €31.46 *
Piaggio OEM Hose T-Fitting
Piaggio OEM Hose T-Fitting, D= 5/10mm, universal
This item is an original Piaggio replacement part. It is a simple T-fitting for connecting different hoses. It can be used, for example, for fuel and coolant lines. Dimensions: Large outer diameter: 9.93 mm Small outer diameter: 4.98 mm

Available

€11.99 *
Needle roller bearing / Gearbox bearing / Shift drum bearing / Shaft bearing Needle roller bearing / Gearbox bearing / Shift drum bearing / Shaft bearing, universal, 10x10x14
This article is a cheap alternative to the expensive original spare part. The bearing corresponds to the original in shape, dimensions and connections. It can be used in different places of different bikes. OEM part number for comparison...

Available

€2.99 *
Gearbox bearing / Needle roller bearing / Shift shaft bearing Gearbox bearing / Needle roller bearing / Shift shaft bearing, universell, 12x16x10
This item is a cheap alternative to the expensive original spare part. The bearing corresponds to the original in shape, dimensions and connections. It can be used in different places of different bikes. OEM part number for comparison...

Available

€2.99 *
Carburetor Aprilia OEM
Carburetor Aprilia OEM, Aprilia RX/SX Year 08-14, 28mm
This article is an original spare part (OEM) from Aprilia OEM part number for comparison purposes : PIA-860805 Scope of delivery: 1

Out of Stock

€305.75 *
Valve stem seal Aprilia OEM
Valve stem seal Aprilia OEM, Aprilia RS(4) 125 years 11-20, RX/SX 125 years 17-20
This article is an original spare part (OEM) from Aprilia OEM part number for comparison purposes : PIA-854563 Scope of delivery: 1

Out of Stock

€17.40 *
Hose clamp water pump Piaggio OEM
Hose clamp water pump Piaggio OEM, Aprilia RX/SX from year 21
This article is an original spare part (OEM) from Piaggio OEM part number for comparison purposes : PIA-CM001909 Scope of delivery: 1

Available

€2.12 *
Water pump screw Piaggio OEM
Water pump screw Piaggio OEM, Aprilia RX/SX from year 21, TX M5
This article is an original spare part (OEM) from Piaggio OEM part number for comparison purposes : PIA-B016808 Scope of delivery: 1

Available

€1.49 *
Water pump cover gasket Piaggio OEM
Water pump cover gasket Piaggio OEM, Aprilia RX/SX from year 21
This article is an original spare part (OEM) from Piaggio OEM part number for comparison purposes : PIA-1A017976 Scope of delivery: 1

Available

€3.99 *
Clutch fitting ProTaper Sport
Clutch fitting ProTaper Sport, universal, silver
ProTaper clutch fitting made of cold forged aluminum. The clutch fitting comes with quick adjustment as well as a bearing forged aluminum lever. The nylon ring on the clamping surface can prevent the armature from breaking in the event...

Out of Stock

€56.95 *
Cooling water hose Cooling water hose, 1m x 9mm, transparent
These cooling hoses have an internal spiral for reinforcement. In contrast to the conventional black hoses, the transparent cooling hoses allow you to determine exactly whether there is still air in the cooling circuit, in order to...

Available

€9.99 *
Clutch cut-off wheel Aprilia OEM
Clutch cut-off wheel Aprilia OEM, Rotax 122 / 123
This item is an original spare part (OEM) of the brand Aprilia. OEM part number for comparison purposes AP0259559, AP0259557 Scope of delivery: 1 pc.

Almost gone

€6.99 *
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