fits model: Yz450f, Wr450f. make: Yamaha. year: 2016–2017.

( Manufacturer Part Number: 1SL-15100-09-00 ), ( Part Type: Engine Crank Case )
The 1SL-15100-09-00 crankcase is a vital component of the 2014-2017 Yamaha YZ450F and WR450F engines. This crankcase is specifically designed for the YZ450F model from 2014 to 2017, and it also fits the WR450F during the same period.
Crafted with precision and robustness, this crankcase is engineered to house the engine's crankshaft, connecting rods, and other internal components. It is made of high-grade materials to ensure durability and resistance to the harsh conditions that off-road racing or trail riding can subject it to.
The crankcase features a compact design that contributes to the overall lightweight and agility of the motorcycle, enabling riders to navigate through various terrains with ease. It also includes a series of seals and gaskets to prevent oil leaks and ensure efficient engine performance.
In summary, the 1SL-15100-09-00 crankcase is a crucial part of the Yamaha YZ450F and WR450F engines, providing a solid foundation for the operation of the engine while contributing to the motorcycle's overall performance and reliability.
Pros of buying a 1SL-15100-09-00 2014-2017 Yamaha YZ450F/WR450F engine crank:1. Compatibility: This crank is designed to fit both the 2014-2017 Yamaha YZ450F and WR450F models, ensuring a seamless installation process.
2. Quality: Yamaha is a reputable brand known for manufacturing high-quality parts, which means this crank is likely to be durable and reliable.
3. Availability: As a common aftermarket part, this crank should be relatively easy to find and purchase from various online retailers or local dealers.
4. Cost-effective: Buying an aftermarket crank can be more affordable than purchasing a new bike or an OEM replacement part directly from Yamaha.
Cons of buying a 1SL-15100-09-00 2014-2017 Yamaha YZ450F/WR450F engine crank:1. Potential lack of warranty: Since this is an aftermarket part, it may not come with a manufacturer's warranty, which could leave you responsible for any additional repair costs if the crank fails.
2. Installation challenges: Installing the crank may require specialized tools and knowledge, which could be a challenge for less experienced riders or mechanics.
3. Unknown origin: Aftermarket parts may not always be produced by the original manufacturer, which could potentially lead to lower-quality materials or workmanship.
Conclusion:Buying a 1SL-15100-09-00 2014-2017 Yamaha YZ450F/WR450F engine crank can be a cost-effective solution for replacing a worn-out or damaged crank, especially if you have the necessary skills to install it. However, it's essential to consider the potential drawbacks, such as the lack of warranty and the risk of lower-quality materials. If you're unsure about the installation process or the quality of the aftermarket crank, it may be worth investing in an OEM replacement part or consulting a professional mechanic. Ultimately, the decision to purchase an aftermarket crank should be based on your personal preferences, budget, and level of mechanical expertise.
The only run time was start up at factory and a brief test ride in parking lot. Up for sale is a new matching oem crankcase pair with all bearings Yamaha YZ450F or WR450F and YZ450Fx. These came from a new 2015 YZ450F. Look closely at the pictures.
Most of the crankcase tie bolts are included. There are some very minor cosmetic scuffs on the exterior from dismantling, handling, and having bike shipped to me. What you see is get. Just mount and ride.
Everything is in perfect working condition.