A crankshaft is the heart of your powersports engine, translating the linear motion of pistons into rotational force. Selecting the right crankshaft is crucial for optimizing performance, ensuring reliability, and achieving the desired power output for your motorcycle, ATV, or other powersports vehicle.
- Applicable Engine: GC160, GC190, GX120, GX140, GX160, GX200 engines with 5/8" shaft, XR3.5 2-6.5hp engines with 5/8" shaft, Predator 2.8hp 97cc engine, Predator 212 engine with 5/8" shaft ( Note: Just for engine with 5/8" shaft, Not for others)
- Wide Compatibility: Coleman CT200U CT200U-EX BT200X, Baja MB165 MB200 (Baja Heat, Mini Baja, Baja Warrior), Baja DB30, Motovox MBX10 MBX11
- Size: Adapter sleeve, 5/8" ID to 1" OD, 3/16" x 1/4" x 3/4" keystock
- !!! Note !!!: Just for engine with 5/8" shaft, Not for others, pls make sure your engine's shaft diameter is 5/8" (16mm)
- Features: Allow the use of a 1" torque converter or clutch on the minibikes and other engines with 5/8" crankshaft, reduces the necessity of buying a new motor or pulley to maintain existing components and speed/ power requirements
- Function: Works with gas engine crank shafts to enlarge the crank diameter to fit pulleys, gear boxes etc
- Effective Oil Leakage Prevention This crankshaft seal is designed to maintain proper engine lubrication by forming a reliable seal and preventing oil leaks during operation.
- Wide Engine Compatibility Fits Kohler engines CH18–CH26, CH620–CH752, CV18–CV25, CV620–CV752, SV710–SV840, ZT710–ZT740, and additional supported models.
- Direct OEM Replacement Replaces part numbers 25-032-06-S, 52-032-08-S, and 055-608, allowing accurate selection for engine repair and maintenance.
- Powersports Seals Application Suitable for small engines, lawn equipment, and powersports applications requiring dependable crankshaft sealing performance.
- Oil Seals by Size – Easy Installation Precision-sized oil seal ensures proper fit and straightforward installation without modification.
- Fitment:for Freightliner,for Classic 2003-2007,for Classic XL 2003-2007,for FLD112 1995-1996,for FLD120 1991-1996
- Part Number:A18-18557-000
- Location: Front,Left,Right
- Quantity:2 Piece
- Color:Black
- Each kit contains everything you need to complete your rebuild the right way, the first time - crankshaft and connecting rod, all applicable bearings, and complete bottom end gasket kit made to meet or exceed O.E.M.
- Direct replacement for 290887862
- Designed for reliable performance and fit
- See product description for full applications
- Trued & welded to better than OEM specifications
- See product description for applications
- CAM CRANKSHAFT LOCKING TOOL KIT: Cam and crank shaft locking tool kit is made of high-quality materials, which is not easy to deform and bend. Cam crankshaft locking tool kit has undergone rigorous factory testing to meet your usage needs.
- COMPATIBLE MODELS: Cam and crank shaft locking tool kit for Sea-Doo 4TECs. OEM part numbers are 529035821, 529035839. Crank cam shaft locking tool kit compatible with Sea-Doo 4-Tec GTX RXP RXT GTR GTI 1503. Please check carefully whether the crank and cam...
- EASY INSTALLATION: Crank and cam shaft locking tool kit compatible with Sea-Doo is easy to install. When you understand the construction of your beloved water performance boat, you can quickly, accurately and safely remove and install the Crank and cam...
- SAFE DRIVING: Cam and crank shaft locking tool kit is designed to fit the original location. Cam and crank shaft locking tool kit is used to lock or position the engine shaft during belt replacement or engine repair. Regular inspections and maintenance...
- INTIMATE SERVICE: If you have any questions when using the cam and crankshaft locking tool kit, please feel free to contact us, we will answer the difficulties you encounter when using the cam and crankshaft locking tool kit, so that you can quickly...
- Specs: Crank Shaft Bearing Kit, Contains: 2 Engine Bearings, 2 Seals
- Designed as a direct replacement for the OEM design
- Compatible With/Replacement For: Suzuki RM125 1989 - 2008
- 1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. In the rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we...
- 100% New aftermarket Crank Shaft Bearing Kit built to meet OEM specifications
- Specs: Crank Shaft Seal Kit, Double lip seals with PTFE contact area tolerate dry start conditions with less crankshaft pin wear
- Meets or Exceeds OEM Specs for Fit and Performance
- Compatible With/Replacement For: Polaris 300 2x4 1994 - 1995, 300 4x4 1994 - 1995, Trail Blazer 250 1993 - 2006, Trail Boss 250 2x4 1993 - 1999, Trail Boss 250 4x4 1993 - 1995, Xplorer 250 4x4 2000 - 2002, Xplorer 300 4x4 1996 - 1999, Xpress...
- 1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. In the rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we...
- 100% New aftermarket Crank Shaft Seal Kit built to meet OEM specifications
- Specs: Crank Shaft Bearing Kit, Contains: 2 Engine Bearings, 2 Seals
- Designed as a direct replacement for the OEM design
- Compatible With/Replacement For: Kawasaki KX125 1988 - 2005
- 1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. In the rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we...
- 100% New aftermarket Crank Shaft Bearing Kit built to meet OEM specifications
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Last update on 2026-07-18 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Powersports Crank Shafts
Understanding Crankshaft Types
Crankshafts come in several primary types, each suited for different applications. Forged crankshafts are generally stronger and more durable, ideal for high-performance or racing engines where stress is a significant factor. Cast crankshafts are more common in stock or recreational applications due to their lower cost and sufficient strength for standard operating conditions. Some may also encounter billet crankshafts, which are machined from a solid block of metal for extreme strength and customization, often found in highly modified engines.
Key Specifications to Consider
When choosing a new crankshaft, several specifications are paramount. Stroke length directly affects engine displacement and power delivery; a longer stroke generally increases torque. Rod journal diameter and main bearing journal diameter must match your engine's specifications for proper fitment and oil flow. Material (forged, cast, billet) dictates strength and longevity. Finally, ensure the crankshaft is compatible with your engine's balance factor, which is critical for smooth operation and preventing excessive vibration.
Compatibility and Fitment
The most critical aspect of purchasing a crankshaft is ensuring it is compatible with your specific powersports vehicle and engine model. Always consult your vehicle's service manual or the crankshaft manufacturer's specifications to verify fitment. Pay close attention to the year, make, model, and engine size. Using an incompatible crankshaft can lead to severe engine damage and operational failure.
Performance Goals and Durability
Your intended use for the vehicle should heavily influence your choice. For daily riding or recreational use, a high-quality cast or standard forged crankshaft may suffice. If you plan on competitive racing, aggressive off-roading, or significant engine modifications, investing in a robust forged or billet crankshaft is highly recommended to withstand the increased stresses and demands.
