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If the washers of the old head bolts are worn, bent or can no longer be removed from the old head bolt, they must be replaced. Complete set of Yamaha original spare parts. OEM part number for comparison 902010860900
Available
€1.99
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Standard cylinder head bolt set from Yamaha for the YI-3 engine. Head bolts must always be replaced whenever the cylinder head is disassembled. Scope of delivery: 1 OEM part number for comparison 901050885000
Available
€9.99
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€7.49
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22-piece engine gasket set for 125ccm bikes with YI-3 OHC engine. Scope of delivery as shown.
Available
€32.95
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Available
€32.95
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Available
€29.90
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As some cylinders are only supplied with one gasket, the adjustment of timing and pinch point is often not easy to achieve. In such a case the real moped tuner always has a sheet of gasket material at hand, from which he can cut an...
Available
€2.49
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The rocker shafts from the renowned racing brand UMA Racing are located in the cylinder head and are designed for tuning systems. They control the precise valve opening and closing time and are therefore responsible for the Optimal Fuel...
Available
€32.95
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The cylinder head from UMA-Racing is specially imported from Malaysia to offer the best possible quality. With cylinder heads it is anyway important that the quality is impeccable, so that nothing goes wrong with the compression or...
Almost gone
€129.90
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The UMA-Racing replacement cylinder piston is with 65 mm a spare part for 200cc tuning cylind ers. The cylinder piston is used to ensure optimum functionality and performance in racing cylinders.with him the gasoline-air mixture is...
Out of Stock
€129.90
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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...
Almost gone
€129.90
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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...
Almost gone
€39.95
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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...
Almost gone
€39.95
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The UMA K2 valve springs are essential for racing camshafts and racing valves. They ensure reliable opening and closing of the valves with the camshafts and need for use with tuned camshafts enough stability and resistance to open the...
Out of Stock
€39.95
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UMA Racing brand has developed a high performance oil pump to solve the lubrication problem on the Yamaha Minarelli 125 4T LC engine. This high flow oil pump increases the oil flow for better lubrication of original and racing engines....
Out of Stock
€44.95
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Out of Stock
€32.95
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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...
Almost gone
€75.90
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Available
€3.19
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Locking bolt cylinder head Most Racing, M12x1,5, versch. Colors
The aluminum locking bolts with thread size M12x1.5 and matching copper sealing ring are the perfect solution for closing holes, such as the temperature sensor hole on Derbi Euro4 models. Of course, the bolt is also suitable for other...
Available
€17.95
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Locking bolt cylinder head Most Racing, M14x1,5, versch. Colors
This high quality aluminum sealing bolt with thread size M14x1.5 and matching copper sealing ring is an indispensable accessory for anyone looking for a reliable and durable sealing bolt. With its versatility, this bolt is perfect for...
Available
€17.95
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This item is an original spare part (OEM) of the brand Yamaha. OEM part number for comparison purposes BK6E22410000
Almost gone
€9.99
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This item is an original spare part (OEM) of the brand Yamaha. OEM part number for comparison purposes 902010885900, 902010888300
Available
€1.99
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Out of Stock
€328.32
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Out of Stock
€1.52
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Out of Stock
€55.16
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