48cc bicycle engine kit

The 48cc bicycle engine kit from Zhejiang New Century Power Co, .Ltd is a single-cylinder, air-cooled, 2-stroke petrol engine designed for retrofitting standard bicycles with motorised propulsion. The unit produces a maximum power output of 1.18 kW at 5000 RPM, a figure that places it within the entry-to-mid power bracket for small-displacement bicycle engine conversions. The 48cc swept volume complies with regulatory thresholds in several jurisdictions where engine capacity below 50cc qualifies as a bicycle assist rather than a motorcycle, a critical consideration for importers targeting markets with tiered vehicle classifications.

The engine architecture follows the standard porting and reed-valve induction typical of 2-stroke cycle engines in this class, with a typical compression ratio of 6:1 to 8:1 standard for air-cooled small engines. Fuel mixing at a ratio of 25:1 or 30:1 (petrol to 2-stroke oil) is standard, though the exact ratio should be confirmed with the supplier. The kit includes mounting hardware, a chain drive system, a throttle assembly, and a fuel tank, the latter typically mounted on the bicycle frame. Materials are predominantly aluminium alloy for the cylinder and crankcase, with steel for the crankshaft and piston pin. Typical bore and stroke dimensions for this displacement class are approximately 40 mm x 38 mm, yielding the nominal 48cc capacity.

Primary buyers include bicycle modification retailers, urban mobility solution distributors, and recreational equipment importers serving the DIY conversion market. The kit suits flat-to-moderate terrain commuting and light cargo delivery applications where pedal assist or full motorisation is desired. Trade terms require direct confirmation with Zhejiang New Century Power Co, .Ltd, as listed response data is currently unavailable. Incoterms, MOQ, and lead time are not specified in the source material and must be negotiated. The supplier is located in Yangzhou, Jiangsu Province, a region with established metalworking and small-engine manufacturing infrastructure.

Zhejiang New Century Power Co, .Ltd is registered in Yangzhou, Jiangsu Province, China, specifically in Guocun Town, Jiangdu District. The supplier holds an 'imported' tier designation and a 'harbor' trust tier, indicating a profile that has been brought into the platform dataset through import rather than direct verified registration. The response rate is recorded at 0.00 percent with zero average response hours, suggesting no inbound buyer communication has been logged through the platform channel. This absence of engagement metrics means buyers should expect to initiate contact directly and verify responsiveness independently.

The company operates within China's established small-engine and metalworking manufacturing corridor in Jiangsu, a province known for bicycle parts, motorcycle components, and general power equipment production. The source description mentions ISO standards in general terms, though no specific certification numbers or dates are provided, and buyers should request copies of valid ISO 9001 or equivalent quality system certificates directly. No production capacity figures, factory audit reports, or client references appear in the available data. The supplier's product focus, based on the listing, centres on bicycle engine conversion kits, a niche within the broader personal mobility and recreational equipment sector.