123M-YA71091 WSM Hotrods Wiseco Gp Crankshaft Core GP1300R

Review WSM Hotrods Wiseco Prox Yamaha Gp-r Crankshaft New No Core for YAMAHA GP1300R 1300 2003–2008

The WSM Hotrods Wiseco 123M-YA71091 crankshaft core is a high-performance upgrade for your 2003-2008 Yamaha GP1300R 1300 GP-R watercraft engine. This crankshaft core is manufactured by Wiseco, a leading aftermarket engine parts supplier known for their high-quality and innovative designs.

This crankshaft core is specifically designed to provide increased power output, durability, and reliability compared to the original equipment crankshaft. The 123M-YA71091 features a forged steel construction that ensures strength and resistance to fatigue, even under heavy use.

One of the notable features of this crankshaft core is its precision balancing. This ensures that the rotating masses of the engine are evenly distributed, reducing vibrations and improving engine performance. The balancing process is done to a high standard, making it ideal for high-performance applications.

Another feature of the WSM Hotrods Wiseco 123M-YA71091 crankshaft core is its increased journal diameter. This provides increased bearing surface area, reducing the load on the bearings and allowing for higher horsepower output. The increased diameter also helps to reduce engine temperatures, improving overall engine reliability.

The crankshaft core comes with new main and rod bearings, making installation a breeze. The bearings are designed to provide a tight seal and reduce engine oil leakage. The kit also includes new seals and gaskets, ensuring a proper installation and sealing of the crankshaft.

In summary, the WSM Hotrods Wiseco 1300 GP-R 123M-YA71091 crankshaft core is a high-performance upgrade for your Yamaha GP1300R engine. Its forged steel construction, precision balancing, increased journal diameter, and included new bearings, seals, and gaskets make it an excellent choice for those seeking increased power output, durability, and reliability from their watercraft engine.

Pros and Cons of Buying WSM Hotrods Wiseco 1300 GP-R Crankshaft Core for a 2003-2008 Yamaha GP1300R

a) Enhanced Performance: The WSM Hotrods Wiseco crankshaft core is designed to provide improved power and torque, making your watercraft more responsive and faster.

b) Durability: Wiseco is a reputable brand in the aftermarket performance industry, known for producing high-quality components that can withstand the rigors of marine usage.

c) Cost-effective: Replacing just the crankshaft core instead of a complete engine can save you significant money compared to buying a new or rebuilt engine.

a) Complex Installation: Installing a crankshaft core can be a challenging process that requires specialized tools and knowledge. It may be necessary to hire a professional to perform the installation.

b) Potential for Engine Damage: If not installed correctly, the crankshaft core could cause damage to other engine components, potentially leading to additional repair costs.

c) Compatibility: Ensure that the crankshaft core is compatible with your specific model and year of the Yamaha GP1300R before making a purchase.

The WSM Hotrods Wiseco 1300 GP-R Crankshaft Core is an attractive option for those looking to enhance the performance of their 2003-2008 Yamaha GP1300R while saving money compared to purchasing a new or rebuilt engine. However, it comes with the complexities of installation and potential risks of engine damage if not installed correctly. To mitigate these risks, it is essential to ensure compatibility and consider hiring a professional for installation.

If you feel confident in your ability to install the crankshaft core correctly or have access to a qualified marine mechanic, the WSM Hotrods Wiseco 1300 GP-R Crankshaft Core could be an excellent investment for improving your watercraft's performance. Alternatively, consider purchasing the core from a reputable dealer or retailer to ensure its authenticity and compatibility with your specific Yamaha GP1300R model and year.

Details:

2003 -08 Yamaha GP1300R, 1300 gp-r crankshaft, -, high quality aftermarket kit includes: 1 SVT crankshaft with rods and bearings replaces oem#: 66v-11400-00- 66e-11651-00- 93306-208u1-00 - new. No core required, fits below model's: Yamaha 1300 gp-r 2003 -2008, 123M-YA71091 66v-11400-00-00 66e-11651-00- 2003 -08 GP1300R, crankshaft.

specifications watercraftimp:

• for models: Gp1300r, 1300
• for makes: Yamaha
• for years: 2003–2008
• brand: Wsm
• mpn: 123m-ya71091
• part type: Crankshaft
• oem numbers: 66v-11400-00-00 66e-11651-00-00

returns watercraftimp:

• paid by: seller
• policy: returns accepted
• time: 30 days

seller watercraftimp:

• rating: 99.2%
• # reviews: 3740
• city: brooklyn, new york

offer watercraftimp:

• availability: in stock
• price: $1150.00
• item condition: New
• options: ship-to-home
• in stock #: 5
• sold #: 20
• started: august 28, 2025

general watercraftimp:

• category: Watercraft Parts > Engines > Impellers Components

shipping watercraftimp:

• transit: 5-8 days
• class: standard
• type: fixed
• service: standard

payments watercraftimp:

• other
• credit card: mastercard
• wallet: google-pay