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Cylinder

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Cylinder piston UMA
Cylinder piston UMA, YI motors, 62mm
The forged cylinder piston for YI engines from UMA-Racing provides excellent compression of the gasoline-air mixture. Especially with cylinders and their individual parts, it is important to rely on quality to get the maximum performance...

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€129.90 *
Piston ring UMA
Piston ring UMA, YI motors, 65mm
The piston ring from UMA-Racing are high quality rings specially designed for 65 mm cylinders . It provides an efficient seal between the piston and cylinder to maintain pressure in the combustion chamber. The UMA piston ring provides...

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€39.95 *
Piston ring UMA
Piston ring UMA, Yamaha, Fantic, Beta 125er, 180cc UMA Motoren, 62mm
The UMA piston rings are THE spare part when it comes to tuning UMA cylinders. They are made for the 180cc, 62mm cylinders for Yamaha, Fantic and Beta 125s and are essential for sealing the combustion chamber of the cylinder. They are...

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€39.95 *
Decompression time wheel
Decompression time wheel, Yamaha yzfr, Mt 125
The decompression timing wheel from UMA is a high quality component. Built for the Yzfr or Mt 125, it provides lower pressure when starting the engine by opening a valve in the cylinder head. This opening makes it easier to turn the...

Out of Stock

€36.95 *
Camshafts UMA
Camshafts UMA, Yamaha yzfr125 / R3
UMA camshafts are a premium choice for racing and performance applications. With their high-quality design and precision manufacturing, they offer improved power and optimized torque . UMA camshafts are specifically designed to maximize...

Out of Stock

€99.90 *
Intake valve Aprilia OEM
Intake valve Aprilia OEM, Aprilia M545 Engines (RS4 / RS / RX / SX 125 4T)
Standard inlet valve from Aprilia. OEM part number for comparison Aprilia: AP3CLA000636

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€22.95 *
Decompression cam / Adjustment lever Spur gear
Decompression cam / Adjustment lever Spur gear, Yamaha/Minarelli YI-3 engines (year 10-16)
Adjusting lever which influences the timing of the valves on the spur gear of the camshaft. OEM part number for comparison purposes Yamaha: 5YPE22880000

Available

€10.99 *
Exhaust valve Aprilia OEM
Exhaust valve Aprilia OEM, Aprilia M545 Engines (RS4 / RS / RX / SX 125 4T)
Standard exhaust valve from Aprilia. Scope of delivery: 1 piece! OEM part number for comparison purposes Aprilia: AP3CLA000637

Out of Stock

€25.95 *
Camshaft Drive Yamaha/ Minarelli OEM
Camshaft Drive Yamaha/ Minarelli OEM, Yamaha / Minarelli YI 3/4 engines
Standard camshaft sprocket with adjusting mechanism. OEM part number for comparison purposes Yamaha / Minarelli: NDE22800000; 1B9E22800100; 1B9E22800200; 1PAE22800000; 3C1E22800000;

Available

€71.95 * ; €61.16 *
Intake valve Yamaha OEM
Intake valve Yamaha OEM, Yamaha/Minarelli YI-3/4 engines (up to year 20)
This article is an original spare part (OEM) fromt the brand Yamaha OEM articlenumber for comparison : 5YPE21110100 Lieferumfang: 1

Out of Stock

€26.42 *
Cylinder head valve kit Cylinder head valve kit, Minarelli YI 125cc Euro3/4 (e.g. Yamaha YZF-R, MT, WR / Beta RR and many more)
The valve kit for YI engines includes all the necessary components for updating your cylinder head. The scope of supply includes 2 intake valves with a diameter of 23 mm and 2 exhaust valves with a diameter of 21 mm. These valves are...

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€75.90 *
Camshaft Yamaha OEM
Camshaft Yamaha OEM, Yamaha YZF-R 125 from model year 21, MT 125 from model year 20, Beta RR from model year 21
This item is an original spare part (OEM) of the brand Yamaha. OEM part number for comparison B5GE21700000

Available

€53.95 *
Cylinder KTM OEM
Cylinder KTM OEM, KTM Duke/RC 125 Bj. 11-22
This item is an original spare part of the brand KTM. OEM part number for comparison purposes 90130038000

Available

€479.90 *
Gasket timing chain tensioner Brixton OEM
Gasket timing chain tensioner Brixton OEM, B125 AC
The timing chain tensioner for Brixton mopeds is an important part of the engine that ensures optimal tension of the timing chain. Available in high quality and easy to install, it is an essential spare part for any Brixton moped owner...

Out of Stock

€4.99 *
7 From 13

The cylinder is the heart of your motorcycle. This is where all the power at your disposal comes from. As a Generally, modern engines like Yamaha's YI 4 are built to be very robust and durable. Nevertheless, it can happen that a part on your cylinder breaks and you need a replacement part. This is for example the engine gasket from time to time. In this case, you should also carry out a repair quickly, because a defective cylinder not only costs you performance on the road, but in the worst case, it can also cause damage to the engine. on the road, in the worst case it also leads to a larger (and more expensive) damage to other areas of the engine.

Next to replacement pistons, you'll also find replicas of the original 125cc cylinders. So you can "Factory condition" of your bike at any time.

Furthermore, we offer some tuning packs and tuning cylinders. Here are different sizes between 125cc to 183cc displacement. So you increase the performance of your 125cc bike for the racetrack.

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