HONDA 28100-MKF-D40 Starter Clutch Gear Reduction Starting Engine

( Manufacturer Part Number: 28100-MKF-D40 ), ( Part Type: Starter Clutch Gear Engine ), ( Country Of Origin: Japan )

Review HONDA Oem Starter Clutch One Way Gear Reduction Starting Engine fits CBR1000RR 2017–2024

The Honda 28100-mkf-d40 is a high-performance starter clutch gear reduction unit specifically designed for Honda CBR1000RR motorcycles with engines sized between 17 and 24. This starter clutch gear reduction unit is an essential component of your motorcycle's starting system, as it facilitates the smooth engagement and disengagement of the engine starter.

The gear reduction feature of this starter clutch reduces the engine speed during starting, making it easier for the starter motor to turn the engine over. This is particularly beneficial for high-performance motorcycles like the CBR1000RR, which can have larger and more powerful engines that require more effort to start.

The Honda 28100-mkf-d40 is meticulously engineered to provide optimal performance and durability. It features a compact and robust design, with precision-machined gears that ensure smooth and efficient power transmission. The unit is also constructed from high-strength materials, including steel and aluminum, to withstand the rigors of regular use.

This starter clutch gear reduction unit is designed to work seamlessly with the OEM (original equipment manufacturer) starter motor and other components of the CBR1000RR's starting system. It fits securely and snugly in place, thanks to its precise dimensions and durable mounting hardware.

The Honda 28100-mkf-d40 is an essential upgrade for any CBR1000RR rider seeking to improve their motorcycle's starting performance and reliability. Its high-quality design and construction ensure that it will provide years of trouble-free operation, helping you get back on the road quickly and easily, no matter the conditions.

In summary, the Honda 28100-mkf-d40 is a top-tier starter clutch gear reduction unit designed specifically for Honda CBR1000RR motorcycles. It features a gear reduction design that makes starting easier, a compact and robust construction, and precise compatibility with OEM components. Whether you're a seasoned rider or a newcomer to the world of high-performance motorcycles, this starter clutch gear reduction unit is an essential upgrade that will help you enjoy your riding experience to the fullest.

The Honda CBR1000RR starter clutch gear reduction kit (part number 28100-mkf-d40) is an aftermarket component designed to make starting the motorcycle easier, especially for high-performance bikes with heavy engines. This kit modifies the starter clutch, reducing the gearing ratio and making the engine turn faster during cranking. Here are the pros and cons of buying this part:

1. Easier starting: With a reduced gearing ratio, the engine turns faster during cranking, making it easier to start, especially in cold weather or when the battery is weak.

2. Reduced wear: The reduced gearing ratio puts less strain on the starter motor, prolonging its lifespan and reducing the chances of replacement.

3. Quicker response: The faster cranking speed also means quicker response from the engine, making it easier to get moving from a stop.

4. Suitable for high-performance bikes: The Honda CBR1000RR is a high-performance motorcycle, and the stock starter clutch may not be sufficient for its powerful engine. This aftermarket kit addresses that issue.

1. Additional cost: The starter clutch gear reduction kit is an aftermarket part and comes with an additional cost.

2. Installation complexity: Installing the kit requires some mechanical skills and knowledge, as it involves removing and replacing the stock starter clutch.

3. Potential noise increase: Some users have reported an increase in engine noise after installing the kit, although this is not a common issue.

The Honda CBR1000RR starter clutch gear reduction kit (part number 28100-mkf-d40) is a worthwhile investment for riders of high-performance motorcycles, particularly those who experience difficulties starting their bikes, especially in cold weather or when the battery is weak. The kit offers several advantages, including easier starting, reduced wear, quicker response, and suitability for high-performance bikes. However, it comes with some additional cost and installation complexity. Ultimately, the decision to purchase the kit depends on individual preferences, riding habits, and the specific requirements of the motorcycle.

If you own a Honda CBR1000RR or a similar high-performance motorcycle and frequently experience difficulties starting the bike, especially in cold weather or when the battery is weak, the starter clutch gear reduction kit (part number 28100-mkf-d40) is a worthwhile investment. However, it is essential to ensure that you have the necessary mechanical skills and knowledge to install the kit safely and efficiently. If you are unsure, consider seeking professional assistance from a qualified mechanic.

Details:

Includes all parts pictured and ready to install use. All electronic parts are individually marked with a tamper proof ID seal. Removed from a running bike. All free shipping offered is for the continental lower 48 USA only.

This starter clutch with gear is in good condition and shows normal signs of wear no damage. It is very much appreciated. Brand: Honda, Manufacturer Part Number: 28100-MKF-D40. Parts sold are only guaranteed to fit the make/ model's listed in fitment chart section above.

All other gear teeth and bearing surfaces are in good condition. 17-24 Honda CBR1000RR Oem Starter Clutch One Way Gear Reduction Starting Engine. Item Specifics. Some ware on smaller gear reduction shaft.

Removed From: 2018 Honda CBR1000RR, MILEAGE: 14,258 Miles.

part #: 28100mkfd40 prices

• $37.14-$99.84

specifications scostarters:

• for models: Cbr1000rr
• for makes: Honda
• for years: 2017-2024
• mpn: 28100-mkf-d40
• part type: Starter Clutch Gear Engine
• country of origin: Japan

seller scostarters:

• rating: 100.0%
• # reviews: 2237
• city: Dickinson, Texas

payments scostarters:

• other
• wallet: Apple-pay
• credit card: Discover

returns scostarters:

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

offer scostarters:

• started: March 7, 2026
• availability: In Stock
• options: Ship-to-home
• sold: 0
• quantity: 1

shipping scostarters:

• cost: $0.00
• type: Fixed
• transit: 4-9 Days
• class: Standard
• service: USPS Ground Advantage
• carrier: USPS

general scostarters:

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

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