Best Motorbike Crankcases of 2026
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Motorbike crankcases are an essential component of a motorcycle engine, providing a protective housing for the crankshaft and other internal parts. They come in a variety of materials, including aluminium and steel, and are designed to withstand the high temperatures and pressures generated by the engine. A well-made crankcase can help to improve engine performance, reduce vibration and noise, and protect against damage from impacts or debris. There are many different types of motorbike crankcases available on the market, each with their own unique features and benefits.
At a Glance: Our Top Picks
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Top 6 Motorbike Crankcases
Pit Bike YX140cc Left Side Casing Grey
The YX140cc Left Side Casing is a vital component for your pit bike, made from lightweight cast alloy to effectively cover the stator magneto. With a diameter of 7 mm for fixing holes, it ensures a secure fit, providing peace of mind during rides. Its overall dimensions are carefully designed for compatibility with various models, including Stomps and WPB. Additionally, the powder-coated light grey finish not only enhances the aesthetic appeal but also protects against wear and tear, prolonging the life of the casing.
PLENTZOM Oil Seal 14x28x7 for Honda Motorcycles
The PLENTZOM Honda Oil Seal is designed with precise dimensions of 14x28x7 mm, ensuring a perfect fit for your Honda motorcycle or ATV crankcase. Its compatibility with various Honda models like the XL100, CB350, and CB750 means you can easily find a seal that suits your bike. The part number 91206-286-013 guarantees you get the exact replacement needed. Using this oil seal helps prevent leaks and protects your engine, offering reliability and peace of mind during your rides.
EVGATSAUTO Motorcycle Engine Stator Cover Alloy
The EVGATSAUTO Engine Stator Cover is a reliable replacement part designed for dirt, pit, and trail motorbikes. It fits well with popular brands like Lifan, YX, and Zongshen, making it a versatile choice for many riders. This cover offers superior protection by shielding your engine from damage caused by sand, gravel, and other debris during your rides, helping to keep your engine safe and intact. Additionally, its bright black paint not only looks clean and attractive but also helps protect the shell from wear. It’s an essential upgrade if you want to maintain your motorbike’s performance and appearance.
Yuecoom Metal Alloy Engine Stator Cover for 110-180cc Bikes
The Yuecoom Engine Stator Cover is designed to fit 110cc to 180cc dirt pit motorbikes, including popular Chinese brands like Lifan and Zongshen. Made from thicker, stronger metal alloy, it offers excellent wear resistance and rustproof protection, ensuring durability over time. This cover safeguards one of the most vulnerable parts of your motorcycle engine, helping to prevent damage from sand, gravel, and other debris while riding. Additionally, its bright black finish not only protects the shell but also improves the overall look and performance of your bike.
XMT-MOTOR Left Engine Stator Cover for Kawasaki Z750
The XMT-MOTOR Kawasaki Z750 Cover is designed specifically for Kawasaki Z750 and Z750S models from 2003 to 2006. Made from high-quality aluminium, this durable cover offers reliable protection against impacts and abrasion, helping to safeguard your motorcycle’s engine stator. As an aftermarket replacement, it provides a practical solution if you need to swap out an old or damaged cover. While the actual colour may vary slightly due to screen differences, the cover ensures a sturdy and effective defence for your bike’s crankcase. Professional installation is recommended for best results.
Peruzzo 42 Cruiser Black Crankcase
The Peruzzo 42 Cruiser is a durable motorbike crankcase perfect for your bike. Its robust construction ensures long-lasting performance, providing you with peace of mind during rides. Measuring 26'' 3/4, it is ideal for simple bikes, allowing for easy installation and compatibility. The sleek black colour adds a stylish touch to your bike's appearance, enhancing its overall look while maintaining functionality.
Frequently Asked Questions (FAQs)
1. What is a motorcycle crankcase?
An engine's crankcase at its most basic is a hollow area that contains the engine's internal parts and oil supply. As the pistons move, they compress the air trapped within the crankcase, creating pressure that escapes through a vent.
2. What is the function of the crankcase?
The crankcase is formed by the portion of the cylinder block below the cylinder bores and the stamped or cast metal oil pan that forms the lower enclosure of the engine and also serves as a lubricating oil reservoir, or sump.
3. Is crankcase oil the same as engine oil?
engine oil (crankcase oil, motor oil) - oil carried in the crankcase, sump, or oil pan of a reciprocating internal combustion engine to lubricate all major engine parts; also used in reciprocating compressors and in steam engines of crankcase design.
During our motorbike crankcases research, we found 306 motorbike crankcases products and shortlisted 6 quality products. We collected and analyzed 4,337 customer reviews through our big data system to write the motorbike crankcases list. We found that most customers choose motorbike crankcases with an average price of £20.00.
The motorbike crankcases are available for purchase. We have researched hundreds of brands and picked the top brands of motorbike crankcases, including PetrolScooter, PLENTZOM, EVGATSAUTO, Yuecoom, XMT-MOTOR.
Joseph is a seasoned writer who's also passionate about automotive. His passion for automotive care and maintenance fuels his drive for more knowledge in the field. He currently resides in Middlesbrough, where he finds time to write informative contents on automotive. His automotive related articles are quite popular in journals around the world. Joseph continues to use his wealth of experience in the industry to create helpful guides on automotive.