BBR DKit 39mm 46cc Big Bore Kit Engine
BBR Tuning 46cc performance engine with 39mm bore upgrade, spark-ignition reciprocating design outputting 3.5HP (<746W), for upgraded pocket rockets and Chapter 87 vehicles. Still qualifies for HTS 8407.31.0040 as displacement remains under 50cc for vehicle propulsion.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If aftermarket performance parts sold separately
Individual tuning components classify as vehicle parts rather than complete engines.
If parts of engines rather than complete units
Upgrade kits missing complete cylinder head/block classify as engine parts.
If moulding boxes for engine casting only
Specialized manufacturing equipment for engines falls under unrelated machinery headings.
Not sure which classification is right?
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Import Tips & Compliance
• Measure and certify exact bore/stroke post-modification for cc verification
• Distinguish from OEM via performance documentation but maintain vehicle propulsion claim
• Higher scrutiny on tuning parts; separate tuning kits from base engines in declarations
Related Products under HTS 8407.31.00.40
Honda GX35 Four-Stroke Engine
The Honda GX35 is a 35.8cc four-stroke spark-ignition reciprocating piston engine delivering approximately 1.3 HP (under 746W), designed for propulsion in small vehicles like minibikes and go-karts of Chapter 87. It falls under HTS 8407.31.0040 due to its cylinder capacity not exceeding 50cc and power output below 746W, specifically for vehicle propulsion.
Zongshen ZS50 Mini Bike Engine
The Zongshen ZS50 is a 49cc air-cooled single-cylinder spark-ignition engine producing 2HP (under 746W), primarily for propelling pocket bikes and small ATVs in Chapter 87. Classified under HTS 8407.31.0040 for its sub-50cc displacement and low power rating tailored for light vehicle propulsion.
Lifan LF154F-2 Go-Kart Engine
Lifan LF154F-2 is a 43cc overhead valve spark-ignition piston engine with 1.8HP output (<746W), optimized for go-karts and recreational vehicles under Chapter 87. It matches HTS 8407.31.0040 criteria: reciprocating piston design, ≤50cc capacity, and vehicle propulsion purpose.
49cc Pocket Bike Motor
Generic 49cc 2-stroke spark-ignition reciprocating engine producing 2.5HP (<746W), standard for pocket bikes and mini motos classified in Chapter 87 vehicles. HTS 8407.31.0040 applies due to exact match of cylinder capacity limit and low power for personal transport propulsion.
Yamaha YT50R Mini Dirt Bike Engine
OEM replacement Yamaha YT50R 49cc spark-ignition single-cylinder engine, 3HP max (<746W), for youth dirt bikes and pit bikes in Chapter 87. Precisely fits HTS 8407.31.0040 as a low-displacement, low-power propulsion unit for vehicles.
Racing 45cc Shifter Kart Engine
High-performance 45cc spark-ignition piston engine with gearbox, tuned to 4HP (<746W), for junior shifter karts competing under Chapter 87 vehicle definitions. HTS 8407.31.0040 classification reflects its sub-50cc capacity and vehicle racing propulsion role.