YAMAHA 4KB-18112-01-00 Arm Big

( Part Type: Arm ), ( Manufacturer Part Number: 4KB-18112-01-00 )

Review YAMAHA Genuine Oem Shift Arm Big fits BEAR WOLVERINE YFM 400 350

Introducing the Yamaha 4kb-18112-01-00 Big Bear 400, a powerful and versatile Side-by-Side (SxS) vehicle from Yamaha's Wolverine X2 lineup. This 400-class machine is engineered to provide an unmatched combination of work and play capabilities, making it an excellent choice for outdoor enthusiasts and those who require a reliable utility vehicle.

The Wolverine 400 is powered by a robust, liquid-cooled, 395cc, SOHC, single-cylinder, 4-stroke engine. This engine delivers a peak horsepower of 27.5 at 6,500 rpm and a maximum torque of 29.4 ft-lb at 5,500 rpm, ensuring ample power for various tasks and terrain types.

The vehicle boasts a high-capacity, automatic-style Centrifugal Clutch (CVT) transmission, which offers smooth and responsive power delivery. Additionally, this transmission features Yamaha's On-Command 4WD system, allowing users to switch between 2WD, 4WD, and 4WD with differential lock engagement for optimal traction and control.

The Wolverine 400 features a spacious and comfortable cab, with adjustable and padded seats for both the driver and passenger. The vehicle also comes equipped with a full-length, high-capacity steel cargo bed, offering a generous 1,000 pounds of hauling capacity, making it an ideal utility vehicle for heavy-duty tasks.

Moreover, the vehicle features an advanced suspension system, including double-wishbone independent suspension in the front and a 5-link independent suspension system in the rear. This setup delivers exceptional handling, stability, and ride comfort, ensuring a smooth and enjoyable experience, whether on the trail or on the job site.

Other noteworthy features of the Wolverine 400 include a steel cargo bed with tailgate and integrated bed rails, a 12V DC accessory outlet, and a 35W headlight and 35W taillight system. Furthermore, the vehicle comes with a range of standard and optional accessories, allowing users to customize the vehicle for their specific needs and preferences.

In summary, the Yamaha 4kb-18112-01-00 Big Bear 400 is a versatile and powerful Side-by-Side vehicle, designed to provide an unmatched combination of work and play capabilities. With its robust engine, spacious cab, high-capacity cargo bed, advanced suspension system, and a range of standard and optional features, this vehicle is an excellent choice for outdoor enthusiasts and those who require a reliable and versatile utility vehicle.

A Comparative Analysis of Yamaha 4kb-18112-01-00 Big Bear and Polaris 350 YFM Wolverine 400 ATVs

The Yamaha Big Bear 400 and Polaris 350 YFM Wolverine 400 are popular all-terrain vehicles (ATVs) in the market. In this analysis, we will compare these two models based on several factors to help potential buyers make an informed decision.

1. Yamaha Big Bear 400: It comes with a 398cc, liquid-cooled, SOHC, 2-valve, single-cylinder engine that produces 31 horsepower. It offers a top speed of approximately 65mph.

2. Polaris 350 YFM Wolverine 400: It features a 347cc, liquid-cooled, twin-cylinder, 2-valve engine that produces 34 horsepower. Its top speed is around 60mph.

- More powerful engine (slightly)

- Faster top speed

- Single cylinder engine might vibrate more

1. Yamaha Big Bear 400: It has a fully independent double wishbone suspension with adjustable preload and 7.3 inches of travel at the front and rear.

2. Polaris 350 YFM Wolverine 400: It boasts an Independent MacPherson Strut front suspension with 7 inches of travel and Independent Rear Suspension with 8 inches of travel.

- Slightly more travel in the rear suspension

- MacPherson Strut front suspension for better handling

- Slightly less travel in the front suspension

1. Yamaha Big Bear 400: It offers a plush seat with a length of 18.5 inches, adjustable footpegs, and a wide floorboard for rider comfort.

2. Polaris 350 YFM Wolverine 400: It features a longer, 21-inch seat, adjustable driver and passenger ergo-flex seat suspension, and a cargo bed that can carry up to 500 pounds.

- Longer, more comfortable seat for riders

- Adjustable passenger seat suspension

- Larger cargo bed capacity

- Heavier due to larger cargo bed

The Yamaha Big Bear 400 typically retails for around $5,800, while the Polaris 350 YFM Wolverine 400 is priced at approximately $6,100.

- Slightly lower price

- Single cylinder engine vibration

VI. Conclusion

Both the Yamaha Big Bear 400 and Polaris 350 YFM Wolverine 400 have their unique strengths and weaknesses. If you prioritize power and speed, the Yamaha Big Bear 400 may be the better choice. However, if you value comfort, convenience, and cargo capacity, the Polaris 350 YFM Wolverine 400 is the way to go.

Based on the comparison, if you're looking for a more powerful and faster ATV, the Yamaha Big Bear 400 is the recommended option. However, if you prioritize comfort, convenience, and cargo capacity, the Polaris 350 YFM Wolverine 400 would be a better choice for you. Ultimately, the decision comes down to personal preferences and intended use.

part # 4kb181120100 prices

• $39.99-$65.05

specifications atvsienna:

• for models: Yfm, 400, 350, Bear, Wolverine
• for makes: Yamaha
• part type: Arm
• manufacturer part number: 4KB-18112-01-00

payments atvsienna:

• other
• credit card: Visa
• wallet: Paypal

general atvsienna:

• condition: New
• ATV, Side-by-Side UTV Parts Accessories > Engines Engine Parts > Other Engine Parts

returns atvsienna:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

shipping atvsienna:

• cost: $0.00
• type: Calculated
• service: USPS Ground Advantage
• class: Standard
• transit: 5-9 Days
• carrier: USPS

offer atvsienna:

• availability: In Stock
• quantity: 1
• started: January 17, 2026
• options: Ship-to-home
• sold: 0

seller atvsienna:

• # reviews: 13392
• rating: 100.0%

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