1. Choose model
WR 125 R (ab 2026, DE14)
WR 125 X/R (2013 bis 2017, DE072 - Euro3)
WR 125 X/R (2009 bis 2013, DE071 - Euro3)
2. Filter by category
No results were found for the filter!
NEW
Sporty Cardinals Racing V63 camshaft for Yamaha YI-3 engines – ideal for performance-oriented setups focused on improved throttle response, higher revving, and more power in the upper RPM range. The V63’s optimized cam profile ensures...
Almost gone
€49.95
*
NEW
The Cardinals Racing valve spring set was specifically developed for high-performance Yamaha YI-3 engines and is ideal for racing and high-performance setups. The reinforced spring characteristics ensure stable valve control even at high...
Available
€63.95
*
NEW
Cardinals Racing V65 High-Performance Camshaft for Yamaha YI-3 Engines – designed for significantly improved throttle response, higher revving, and more power in the upper RPM range. Ideal for sporty setups and performance-oriented...
Almost gone
€49.95
*
NEW
The Fasstek Racing camshaft sprocket is a modified component for the valve train of Yamaha engines in the YI-5 series. It replaces the stock camshaft sprocket and allows for precise adjustment of the camshaft timing, which can positively...
Available
€33.95
*
NEW
The Cardinals Racing V65 camshaft is a racing VVA camshaft. According to the manufacturer, it is compatible with all models equipped with engines manufactured in 2025 or later. It directly modifies the valve train control and is designed...
Almost gone
€69.95
*
NEW
The Fasstek Racing V3 connecting rod set is a reinforced OEM+ solution for Yamaha YI-4 and YI-5 engines. With a stock-length of 100 mm, this connecting rod set is ideal for reliable repairs as well as performance-oriented setups with...
Almost gone
€54.95
*
NEW
The Cardinals Racing valve spring set was specifically developed for high-performance YI-5 engines and is ideal for racing and high-performance setups. The reinforced spring characteristics ensure stable valve control even at very high...
Available
€63.95
*
NEW
The Cardinals Racing cylinder head is a high-quality performance component for Yamaha YI-3 and YI-4 engines. Larger valve diameters optimize airflow, resulting in improved cylinder filling and increased engine power. The...
Almost gone
€399.90
*
NEW
The Cardinals Racing cylinder head is a high-quality performance component for Yamaha YI-3 and YI-4 engines. The enlarged valve diameters—23 mm for the intake and 20 mm for the exhaust—significantly improve airflow, resulting in more...
Almost gone
€399.90
*
NEW
The Fasstek Racing Super Cooler ECO 65 mm Ceramic Block Cylinder Kit is the ideal solution for a reliable performance upgrade for your Yamaha. The ceramic coating significantly improves heat dissipation, resulting in lower operating...
Available
€149.90
*
NEW
The Fasstek Racing exhaust adapter allows a YI-4 exhaust system to be installed on a Yamaha YI-3 engine. The adapter is mounted directly to the cylinder head outlet and connects the engine’s exhaust port to the header of the...
Available
€19.99
*
NEW
The Cardinals Racing OS2 Valve Spring Set was developed for high-performance Yamaha YI-5 engines and ensures significantly more stable valve control at high RPMs. The reinforced construction reduces the risk of valve chatter, allowing...
Available
€79.95
*
NEW
The Fasstek Racing V3 Valve Spring Set was developed for high-performance Yamaha YI-3 and YI-4 engines. The reinforced valve springs ensure stable valve control even at high RPMs and prevent potential valve flutter in...
Available
€24.95
*
The Fasstek Racing RC1 camshaft was developed for performance-oriented Yamaha YI-3 and YI-4 engines. The optimized cam profile ensures improved valve timing and promotes more efficient cylinder filling, thereby increasing acceleration...
Available
€39.95
*
The Cardinals Racing V58 camshaft in the VVA-OPEN version was developed specifically for performance-oriented Yamaha YI-5 engines and is designed for riders who want to achieve maximum performance in the upper RPM range. Unlike the...
Almost gone
€69.95
*
Die Cardinals Racing S-Evo Nockenwelle ist eine Performance-Nockenwelle für Yamaha YI-3 und YI-4 Motoren. Das optimierte Nockenprofil verbessert die Ventilsteuerzeiten und unterstützt eine effizientere Zylinderfüllung, wodurch sich...
Out of Stock
€45.95
*
Die Fasstek Racing RC1 Plus Nockenwelle wurde für Fahrer entwickelt, die ein schnelleres Ansprechverhalten, eine bessere Beschleunigung und eine saubere Leistungsentfaltung im mittleren Drehzahlbereich erreichen möchten. Das ausgewogene...
Almost gone
€44.95
*
Das Cardinals Racing Zylinderkopf-Kühlerdeckel Set ist eine hochwertige CNC-gefräste Aluminiumlösung für das Kühlsystem deines Motors. Das Set ersetzt die serienmäßigen Abdeckungen am Zylinderkopf und sorgt für eine stabile sowie präzise...
Available
€89.95
*
Der Cardinals Racing Race Spec CDS Kolben mit 57 mm Durchmesser ist für Yamaha Motoren vom Typ YI-3 und YI-4 entwickelt. Die präzise CNC-gefertigte Ausführung sorgt für eine hohe Maßgenauigkeit und ist für leistungsorientierte...
Almost gone
€99.95
*
Der Fasstek Racing CNC Billet Zylinderkopf 23/20 für die Yamaha YI Motor ist präzise aus hochwertigem T6 Billet-Aluminium gefertigt und wurde für leistungsorientierte Setups entwickelt. Dank optimierter Brennraum- und Kanalgeometrie...
Available
€299.90
*
Das Fasstek Racing Super Cooler ECO 62 mm Ceramic Block Zylinderkit ist die leistungsstarke Upgrade-Lösung für Fahrer, die mehr Hubraum, bessere Kühlung und erhöhte Standfestigkeit suchen. Der 62 mm Ceramic Block Kolben ist speziell für...
Available
€159.90
*
Der Fasstek Racing CNC Billet Zylinderkopf 25/22 ist aus hochwertigem T6 Billet-Aluminium gefertigt und für leistungsorientierte High-Performance-Setups konzipiert. Die präzise CNC-Bearbeitung sorgt für maximale strukturelle Stabilität...
Available
€299.90
*
Der Fasstek Racing CNC Billet Racing Head 27/24 PROX wurde speziell für leistungsstarke Big-Bore-Setups mit 68–72 mm Bohrung entwickelt. Gefertigt aus hochwertigem T6 Billet-Aluminium bietet er maximale strukturelle Stabilität sowie eine...
Available
€299.90
*
Das Fasstek Racing Super Cooler ECO 57 mm Ceramic Block Zylinderkit ist die ideale Lösung für ein standfestes Performance-Upgrade deiner Yamaha. Durch die keramische Beschichtung wird die Wärmeableitung deutlich verbessert, was...
Available
€149.90
*
The cylinder is the heart of your Yamaha WR 125. This is where all the power at your disposal comes from. In modern engines are built to be very robust and durable. Nevertheless it can happen that a part of your cylinder breaks and you need a spare part. This is the case, for example, with the engine gasket from time to time. In this case, you should also carry out a repair on your WR 125, because a defective cylinder not only cylinder not only costs you performance on the road, but in the worst case it can also lead to a major more serious (and more expensive) damage to other areas of the engine.
In addition to replacement pistons, you can also find replicas of the original 125cc cylinders. So you can get the "factory condition" of your Yamaha WR 125 at any time.
Darüberhinaus we offer some tuning packs and tuning cylinders. Here there are different sizesößen between 125cc to 183cc displacement. So you increase the performance of your WR 125 für the race track.
.
Viewed