Hot Rods Crankshaft Assembly
M09-164380 (MFG #: 4096)
$637.67
Sale price
$637.67
Regular price
$671.23
Sale
-4%
Skip to product information
Hot Rods Crankshaft Assembly for Yamaha YZ250 Dirt Bike
Hot Rods Crankshaft Assembly for Yamaha YZ250 Dirt Bike
$637.67
Sale price
$637.67
Regular price
$671.23
Sale
-4%
SKU:M09-164380
My Garage
Select a ride to guarantee fitment.
My Garage
Add your vehicles to your garage. Several features will then be available to facilitate your searches.
- Store vehicles in your garage
- Easily find guaranteed fit products and accessories
- Get product recommendations
Available Online
Free shipping on orders over $99
Standard Fulfillment: -
Expedited Fulfillment: -
Lowest Price Guaranteed
Fast Shipping
Easy Returns
Description
Hot Rods Crankshift Assemblies.
FEATURES
- All new assembly sold complete with Hot Rods connecting rod
- Crankshafts are sold complete with the original proven Hot Rods connecting rods, top end bearings, and crankshaft webs
- Factory assembled and trued to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance and durability
- Cranks are sold ready for installation and are completely re-buildable with genuine Hot Rods connecting rods
- Main bearings not included
Technical Specifications
- MFG. Part Number 4096
Vehicle Information
Yamaha YZ250 Dirt Bike (1974-2026)
The Yamaha YZ250, a legendary two-stroke motocross race bike, has been a dominant force on tracks worldwide since its introduction in 1974 and remains in production through 2026. This iconic model has continuously evolved, adapting to the demands of competitive racing while maintaining its core identity as a high-performance 250cc two-stroke. Over its extensive lifespan, the YZ250 has undergone several significant transformations. Initially, from 1974 to 1981, it featured an air-cooled engine. A major technological leap occurred in 1982 with the introduction of a liquid-cooled engine and the innovative Yamaha Power Valve System (YPVS). Further engine refinements in 1999 adjusted bore and stroke for improved low-end torque. Chassis advancements were equally crucial, notably the shift to a lightweight aluminum frame in 2005 and the adoption of KYB Speed-Sensitive System (SSS) front forks in 2006, which are still highly regarded. Beyond the standard motocross model, Yamaha introduced the off-road focused YZ250X in 2016 and offers special editions like the 70th Anniversary and Monster Energy liveries for 2026. Q: How do I find parts for my specific Yamaha YZ250 model year?
A: To ensure a guaranteed fit, please use the year and edition selector at the top of this page.
Maintenance
| Component | Interval | Details |
| Transmission Oil | 5 to 10 hours (aggressive/race-level use) or 10 to 15 hours (recreational use) | The YZ250 is a two-stroke engine; transmission oil is separate from the fuel/engine oil mixture. Capacity of 0.75 L for recent models. |
| Transmission Oil Filter | Inspect and replace as needed with each transmission oil change | Manuals do not always detail a specific interval, but regular inspection is recommended. |
| Belt | Not applicable | The Yamaha YZ250 uses a chain for its final drive, not a belt. |
| Spark Plug | Inspect regularly | Check spark plug condition during regular maintenance. |
| Air Filter | 5 hours (aggressive/race-level use) or 15 hours (recreational use) | Clean or replace more frequently in dusty conditions. |
| Coolant | Inspect level regularly | Check coolant level before each use and top up if necessary. |
Maintenance intervals can vary by model year and riding conditions (recreational or race-level). It is essential to consult your vehicle's official owner's manual for the most accurate information.