| Model | CH125 |
| CYL DIA | 52.4 |
| TOTAL HIGH | 39.3 |
| COMP DIST | 22.3 |
| RING | 1.0*1.0*2.0 |
| PIN DIA | 15 |
| PIN LENGTH | 41.5 |
In the competitive landscape of engine parts, the piston serves as the "dynamic core" of combustion—converting fuel energy into mechanical motion that powers motorcycles and tricycles. The Piston CH125 emerges as a premium choice for 125cc systems, engineered to excel as both motorcycle parts and tricycle parts. Unlike generic pistons that cut corners on fit and durability, the CH125 is calibrated to meet the exact demands of 125cc engines, ensuring seamless integration with critical components like piston rings and cylinder walls. Whether you’re a mechanic servicing a fleet of commuter vehicles, a vehicle owner upgrading for better performance, or a parts supplier seeking reliable engine parts, the Piston CH125 delivers consistent power, fuel efficiency, and long-lasting reliability—solidifying its position as a trusted solution in the 125cc aftermarket.
125cc motorcycles: Compact commuter bikes, entry-level sports motorcycles, and retro-style scooters, delivering reliable performance for daily commutes, weekend adventures, and short-to-medium distance travel.
125cc tricycles: Utility tricycles used for rural commuting, small-scale cargo transport, and commercial delivery (e.g., food delivery, local logistics), withstanding the heavy loads and rough terrain often encountered in these applications.
Compression Rings: The dual 1.0mm rings create a tight seal that prevents combustion gases from leaking into the crankcase, maximizing power output and ensuring efficient fuel burn. Their thin yet robust design reduces friction while maintaining structural integrity, even under the high compression pressures of 125cc engines.
Oil Control Ring: The 2.0mm ring scrapes excess oil from the cylinder wall, preventing oil contamination in the combustion chamber (which can reduce performance and increase emissions) and reducing oil consumption. It also distributes a thin, uniform layer of oil to lubricate the piston and cylinder, minimizing wear and extending the engine’s lifespan.
Enhanced Power Output: The 52.4mm cylinder diameter and 22.3mm compression distance work together to optimize the air-fuel mixture compression, delivering a 7-9% boost in power compared to generic pistons. This translates to smoother acceleration for motorcycles merging into highway traffic and improved load-carrying capability for tricycles hauling cargo.
Superior Fuel Efficiency: The piston’s polished surface finish (achieved through precision honing) and tight tolerance fit (±0.003mm) minimize friction between the piston and cylinder wall, reducing energy waste. Combined with the efficient piston ring design, this results in up to 8% better fuel economy, lowering operational costs for daily users and commercial fleets.
Stable Operation: The 15mm piston pin diameter and 41.5mm length provide exceptional stability, distributing load evenly across the piston to prevent vibration and ensure consistent performance—even at high RPMs (common in 125cc engines during acceleration or uphill climbs).
| Model | CH125 |
| CYL DIA | 52.4 |
| TOTAL HIGH | 39.3 |
| COMP DIST | 22.3 |
| RING | 1.0*1.0*2.0 |
| PIN DIA | 15 |
| PIN LENGTH | 41.5 |
In the competitive landscape of engine parts, the piston serves as the "dynamic core" of combustion—converting fuel energy into mechanical motion that powers motorcycles and tricycles. The Piston CH125 emerges as a premium choice for 125cc systems, engineered to excel as both motorcycle parts and tricycle parts. Unlike generic pistons that cut corners on fit and durability, the CH125 is calibrated to meet the exact demands of 125cc engines, ensuring seamless integration with critical components like piston rings and cylinder walls. Whether you’re a mechanic servicing a fleet of commuter vehicles, a vehicle owner upgrading for better performance, or a parts supplier seeking reliable engine parts, the Piston CH125 delivers consistent power, fuel efficiency, and long-lasting reliability—solidifying its position as a trusted solution in the 125cc aftermarket.
125cc motorcycles: Compact commuter bikes, entry-level sports motorcycles, and retro-style scooters, delivering reliable performance for daily commutes, weekend adventures, and short-to-medium distance travel.
125cc tricycles: Utility tricycles used for rural commuting, small-scale cargo transport, and commercial delivery (e.g., food delivery, local logistics), withstanding the heavy loads and rough terrain often encountered in these applications.
Compression Rings: The dual 1.0mm rings create a tight seal that prevents combustion gases from leaking into the crankcase, maximizing power output and ensuring efficient fuel burn. Their thin yet robust design reduces friction while maintaining structural integrity, even under the high compression pressures of 125cc engines.
Oil Control Ring: The 2.0mm ring scrapes excess oil from the cylinder wall, preventing oil contamination in the combustion chamber (which can reduce performance and increase emissions) and reducing oil consumption. It also distributes a thin, uniform layer of oil to lubricate the piston and cylinder, minimizing wear and extending the engine’s lifespan.
Enhanced Power Output: The 52.4mm cylinder diameter and 22.3mm compression distance work together to optimize the air-fuel mixture compression, delivering a 7-9% boost in power compared to generic pistons. This translates to smoother acceleration for motorcycles merging into highway traffic and improved load-carrying capability for tricycles hauling cargo.
Superior Fuel Efficiency: The piston’s polished surface finish (achieved through precision honing) and tight tolerance fit (±0.003mm) minimize friction between the piston and cylinder wall, reducing energy waste. Combined with the efficient piston ring design, this results in up to 8% better fuel economy, lowering operational costs for daily users and commercial fleets.
Stable Operation: The 15mm piston pin diameter and 41.5mm length provide exceptional stability, distributing load evenly across the piston to prevent vibration and ensure consistent performance—even at high RPMs (common in 125cc engines during acceleration or uphill climbs).