HONDA 31101-053-003 Kokusan Rotor

( Part Type: Rotor ), ( Manufacturer Part Number: 31101-053-003 ), ( Vintage Part: Yes ), ( Country Of Origin: Japan )

Review HONDA Kokusan Rotor #31101-053-003 fits CT90 S90 SL90 1965–1969-73

The Honda 31101-053-003 rotor is a crucial component for the braking system of certain Honda models from the late 1960s and early 1970s. Specifically, this part is designed to fit the Honda CT90, S90, and SL90 motorcycles manufactured between 1969 and 1973. The Kokusan branding on the rotor indicates that it was produced by Honda's Japanese affiliate, Kokusan Electric Manufacturing Co. Ltd.

This rotor is a critical piece of the motorcycle's braking system, responsible for converting the kinetic energy of the motorcycle into thermal energy during the braking process. It is essential that this component functions correctly to ensure the safety and control of the motorcycle.

The Honda 31101-053-003 rotor is machined from high-quality steel to provide durability and strength. It features a precise, balanced design to minimize vibration and ensure even wear on the brake pads. The rotor's surface is also finished with a smooth, flat surface to ensure optimal contact with the brake pads, resulting in effective and consistent braking performance.

This rotor is also designed to dissipate heat efficiently, which is essential to prevent warping or distortion that could negatively impact the motorcycle's braking performance. The rotor's cooling fins help to dissipate heat quickly, ensuring that the braking system remains efficient and reliable even during prolonged periods of use or in high-performance situations.

Installing the Honda 31101-053-003 rotor is a straightforward process. It is recommended that the rotor is replaced in pairs, along with the brake pads, to ensure even wear and optimal braking performance. Properly installing the rotor involves removing the old rotor, cleaning the hub and the new rotor, applying a thin layer of brake compound to the new rotor, and securing the new rotor to the hub with the appropriate hardware.

In conclusion, the Honda 31101-053-003 Kokusan rotor is a high-quality, essential component for the braking system of certain Honda motorcycles from the late 1960s and early 1970s. Its precise machining, efficient heat dissipation, and durable design make it a reliable and effective solution for ensuring the safety and control of your motorcycle.

Honda 31101-053-003 Rotor: A Comprehensive Analysis for 1965 S90, 1969 CT90, and SL90 Owners

This analysis aims to provide a clear understanding of the benefits and potential drawbacks of purchasing a Honda 31101-053-003 rotor for owners of the 1965 S90, 1969 CT90, and SL90 motorcycle models.

1. OEM (Original Equipment Manufacturer) Part: This rotor is an original Honda part designed specifically for the mentioned motorcycle models. It ensures a perfect fit and optimal performance.

2. High-Quality Material: The rotor is made of high-quality, durable material that can withstand the rigors of regular motorcycle use. This longevity can save you money in the long run, as you won't need to replace it as frequently as a lower-quality aftermarket part.

3. Enhanced Braking Performance: A new rotor can significantly improve your braking performance, making your motorcycle safer and more responsive on the road.

4. Consistent Braking: A worn-out rotor can cause inconsistent braking, which can be dangerous. Replacing it with a new rotor can provide more even and reliable braking.

1. Cost: The Honda OEM rotor is typically more expensive than aftermarket alternatives. However, its durability and optimal performance might outweigh the initial investment.

2. Availability: Depending on your location and the specific Honda motorcycle model, it might be challenging to find this rotor in stock at your local dealership or parts supplier.

The Honda 31101-053-003 rotor is an excellent investment for owners of the 1965 S90, 1969 CT90, and SL90 motorcycle models. Its OEM design guarantees a perfect fit, and the high-quality material ensures durability and optimal braking performance. While the initial cost might be higher than aftermarket alternatives, the long-term savings and improved safety make it a worthwhile investment.

If you're an owner of a 1965 S90, 1969 CT90, or SL90 motorcycle and have been considering upgrading your rotor, the Honda 31101-053-003 rotor is a solid choice. Its benefits, such as enhanced braking performance, consistent braking, and durability, make it a wise investment for your motorcycle maintenance.

part # 31101053003 prices

• $58.20-$195.99

specifications ignitioncompo:

• for models: Ct90, S90, Sl90
• for makes: Honda
• for years: 1965-1969-73
• part type: Rotor
• manufacturer part number: 31101-053-003
• vintage part: Yes
• country of origin: Japan

shipping ignitioncompo:

• class: Standard
• cost: $0.00
• service: USPS Ground Advantage
• type: Calculated
• carrier: USPS
• transit: 2-6 Days

general ignitioncompo:

• condition: Used
• Motorcycle Scooter Parts Accessories > Electrical Ignition Components > Other Electrical Ignition Components

payments ignitioncompo:

• credit card: Mastercard
• other
• wallet: Paypal

returns ignitioncompo:

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

seller ignitioncompo:

• # reviews: 2092
• rating: 100.0%

offer ignitioncompo:

• quantity: 1
• started: October 23, 2025
• availability: In Stock
• options: Ship-to-home
• best offers: True
• sold: 0

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