OEM Honda Grom 125 Cylinder (2022+)

The Genuine Honda Cylinder (Part # 12100-K26-G00) is a factory-original component designed specifically for the updated 123.9cc air-cooled engine found in the 2022+ Honda Grom lineup. This precision-machined aluminum cylinder features the stock 50.0 mm bore and is engineered to Honda's exact OEM specifications for optimal compression, heat dissipation, and piston clearance.

Whether you're rebuilding a damaged engine, refreshing high-mileage components, or completing a top-end refresh, this cylinder delivers the same quality and performance as the day your bike left the factory.

Key Features:

• Authentic OEM Honda Part – Guaranteed fit and function, no modifications required
• Stock Bore Size – 50.0 mm (standard specification matching the 2022+ Grom's 50.0 × 63.1 mm bore × stroke)
• Precision Engineering – Cast and honed for excellent ring seal, minimal oil consumption, and long service life
• Direct Replacement – Bolts right onto your existing crankcase and pairs perfectly with OEM piston, rings, and cylinder gasket (12191-K1M-T02 – sold separately)
• Compatible with Air-Cooled SOHC 2-Valve Engine – Matches the reliable, fuel-injected 123.9cc powerplant (≈9.7 hp factory output)

Vehicle Compatibility:

• Honda Grom 125 (2022–2026) – All variants including ABS and non-ABS
• Honda Trail 125 (2023–2025)
• Honda Super Cub C125 (2022–2024)