Fifth Gear Component
This component is the fifth-gear member assigned to the transmission mainshaft.
Honda · Genuine OEM Part
The Honda GEAR, MAINSHAFT FIFTH (27T) is a transmission gear installed on the mainshaft within the transmission assembly. The exact Honda part number helps distinguish this fifth-gear mainshaft component from the nearby countershaft gears, collars, washers, and other transmission parts.
This component is the fifth-gear member assigned to the transmission mainshaft.
The complete Honda part number identifies the specific gear represented in the transmission fiche. Checking the full number is important when ordering because nearby transmission components have similar descriptions but different shaft locations and tooth counts.
The parts fiche places this gear in the transmission section alongside the mainshaft, countershaft, collars, thrust washers, and other gear components. This catalog arrangement confirms that the part is a dedicated mainshaft fifth-gear component rather than a complete gearset or transmission assembly.
| Honda Part Number | 23491-MKR-D10 |
|---|---|
| Honda Catalog Description | GEAR, MAINSHAFT FIFTH (27T) |
| Part Type | Gear |
| Assembly | Transmission |
| Tooth count | 27T |
| Catalog quantity | 1 |
| Model | Type | Model Years |
|---|---|---|
| CBR1000SP | Motorcycle | 2021–2023 |
Model applications as listed in Honda's dealer parts catalog for part number 23491-MKR-D10.
Verify the Honda OEM part number for your specific model before ordering.
Compatible motorcycles, ATVs & side-by-sides
Verify your vehicle's model, year and specific configuration before ordering.