fits model: Kx450f, Kx450. make: Kawasaki. year: 2010–2015.

( Manufacturer Part Number: 13031-0133 ), ( Compatible Year: 2015, 2014, 2013, 2012, 2011 )
The Kawasaki 13031-0133 Crankshaft is an essential component for the KX450F and KX450 models from 2010 to 2015. This rebuildable core engine motor part is designed to deliver robust power and reliability, ensuring the optimal performance of your motorcycle.
The crankshaft is the main rotating component in a two-stroke engine, responsible for converting linear reciprocating motion into rotational motion. The Kawasaki 13031-0133 Crankshaft is precision-engineered to meet the high-performance demands of the KX450 series. It features a forged steel construction, which provides excellent strength and durability, even under the most extreme conditions.
The crankshaft features a 77mm stroke and a 90mm bore, ensuring ample combustion chamber volume for efficient power delivery. The crankshaft is also equipped with a full-floating piston pin to minimize engine friction and improve overall efficiency. The pin is held in place by a high-quality, chrome-molybdenum steel connecting rod, ensuring optimal strength and reliability.
Rebuilding the crankshaft is a straightforward process, thanks to the modular design of the KX450 series engines. The crankshaft can be easily disassembled and reassembled, with all necessary components included in the kit. This allows for easy maintenance and repair, ensuring that your KX450F or KX450 remains in top condition for many years to come.
In conclusion, the Kawasaki 13031-0133 Crankshaft is an essential component for the KX450F and KX450 models from 2010 to 2015. Its precision-engineered construction and modular design make it easy to maintain and repair, ensuring optimal performance and reliability. With its robust strength and durable construction, this crankshaft is a must-have for any KX450 series enthusiast.
Pros of buying a rebuildable Kawasaki KX450F/KX450 crankshaft (part number 13031-0133) for 2010-2015 models:1. Cost-effective: Rebuilding the crankshaft can be significantly cheaper than buying a new one, especially if the crankshaft is in good condition.
2. Environmental: Rebuilding reduces waste by reusing existing parts, which is better for the environment.
3. Customization: If the crankshaft is in good condition, you can customize it to your specific needs or preferences.
4. Knowledge gain: Rebuilding the crankshaft can provide valuable knowledge and experience for future engine work.
Cons of buying a rebuildable Kawasaki KX450F/KX450 crankshaft (part number 13031-0133) for 2010-2015 models:1. Time-consuming: Rebuilding the crankshaft can be a time-consuming process, requiring a significant amount of time and effort.
2. Technical skills: Rebuilding the crankshaft requires technical skills and knowledge of engine mechanics.
3. Risk of damage: If not done correctly, rebuilding the crankshaft can result in further damage to the engine.
4. Part availability: If you cannot find the necessary replacement parts, rebuilding the crankshaft may not be possible.
Conclusion:Buying a rebuildable Kawasaki KX450F/KX450 crankshaft (part number 13031-0133) for 2010-2015 models can be a cost-effective and environmentally friendly option, especially if the crankshaft is in good condition. However, it requires technical skills, knowledge, and a significant amount of time and effort. If you do not have the necessary skills or are not comfortable with the process, it may be better to purchase a new crankshaft.
Recommendation:If you are confident in your technical skills and have the time and resources to rebuild the crankshaft, it can be a cost-effective option. However, if you are unsure or uncomfortable with the process, it may be better to purchase a new crankshaft from a reputable dealer to ensure that the job is done correctly and to avoid further damage to the engine.
Includes the gears pictured. Bearing still spins smooth but has some vertical play, an excellent core for a rebuild. Oem crank off a running 2011 KX450F. This crank will need a new bearing, sold as core.
May fit other years/ model's but please research first.