Powerhead
Assembly4-stroke inline cylinder block, valvetrain, and crank assembly. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Powerhead parts and their functions
10 top-level parts · 88 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Cylinder Block 4 parts | 1× | Aluminum 4-cylinder block casting with cooling jackets. |
| 2 | Cylinder Head 4 parts | 1× | SOHC head with valves and fuel injectors. |
| 3 | Crankshaft Assembly 3 parts | 1× | Forged crankshaft with connecting rods. |
| 4 | Piston Assembly 3 parts | 4× | Piston with rings and wrist pin. |
| 5 | Camshaft | 1× | Single overhead camshaft. |
| 6 | Flywheel / Alternator 3 parts | 1× | Flywheel rotor with charging stator. |
| 7 | Ignition Coil 2 parts | 4× | High-voltage spark coil. |
| 8 | Spark Plug | 4× | Ignites the air-fuel mixture in a spark-ignition engine. |
| 9 | O-Ring Set | 2× | Set of elastomer rings seated in grooves to seal static or slow-moving joints against fluid and gas, sized to ISO 3601. |
| 10 | Fastener Set | 1× | Bolts, nuts, and washers. |
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Bill of materials for Powerhead
10 top-level lines · 36 rows shown · 88 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Cylinder Block 4 parts | outboard-boat-motor-cylinder-block | 1× | 1 | 12 | assembly |
| 1.1 | Block Casting | outboard-boat-motor-block-casting | 1× | 1 | · | part |
| 1.2 | Cylinder Liner | outboard-boat-motor-cylinder-liner | 4× | 4 | · | part |
| 1.3 | Main Bearing Shell | outboard-boat-motor-main-bearing | 5× | 5 | · | part |
| 1.4 | Oil Seal | oil-seal | 2× | 2 | · | part |
| 2 | Cylinder Head 4 parts | outboard-boat-motor-cylinder-head | 1× | 1 | 14 | assembly |
| 2.1 | Head Casting | outboard-boat-motor-head-casting | 1× | 1 | · | part |
| 2.2 | Poppet Valve | outboard-boat-motor-valve | 8× | 8 | · | part |
| 2.3 | Fuel Injector | outboard-boat-motor-fuel-injector | 4× | 4 | · | part |
| 2.4 | O-Ring Set | oring-set | 1× | 1 | · | part |
| 3 | Crankshaft Assembly 3 parts | outboard-boat-motor-crankshaft-assy | 1× | 1 | 7 | assembly |
| 3.1 | Crankshaft | outboard-boat-motor-crankshaft | 1× | 1 | · | part |
| 3.2 | Connecting Rod | outboard-boat-motor-connecting-rod | 4× | 4 | · | part |
| 3.3 | Ball Bearing | ball-bearing | 2× | 2 | · | part |
| 4 | Piston Assembly 3 parts | outboard-boat-motor-piston-assy | 4× | 4 | 3 | assembly |
| 4.1 | Piston | outboard-boat-motor-piston | 1× | 4 | · | part |
| 4.2 | Piston Ring Set | outboard-boat-motor-piston-ring-set | 1× | 4 | · | part |
| 4.3 | Wrist Pin | outboard-boat-motor-wrist-pin | 1× | 4 | · | part |
| 5 | Camshaft | outboard-boat-motor-camshaft | 1× | 1 | · | part |
| 6 | Flywheel / Alternator 3 parts | outboard-boat-motor-flywheel-alternator | 1× | 1 | 23 | assembly |
| 6.1 | Flywheel | outboard-boat-motor-flywheel | 1× | 1 | · | part |
| 6.2 | Stator Assembly 3 parts | stator-assembly | 1× | 1 | 3 | assembly |
| 6.2.1 | Stator Core (laminations) | stator-core | 1× | 1 | · | part |
| 6.2.2 | Copper Winding | copper-winding | 1× | 1 | · | part |
| 6.2.3 | Slot Insulation | stator-insulation | 1× | 1 | · | part |
| 6.3 | Rotor Assembly 4 parts | rotor-assembly | 1× | 1 | 19 | assembly |
| 6.3.1 | Rotor Shaft | rotor-shaft | 1× | 1 | · | part |
| 6.3.2 | Rotor Core | rotor-core | 1× | 1 | · | part |
| 6.3.3 | Neodymium Magnet | neodymium-magnet | 16× | 16 | · | part |
| 6.3.4 | Ball Bearing | ball-bearing | 1× | 1 | · | part |
| 7 | Ignition Coil 2 parts | outboard-boat-motor-ignition-coil | 4× | 4 | 3 | assembly |
| 7.1 | Copper Winding | copper-winding | 2× | 8 | · | part |
| 7.2 | Connector | connector | 1× | 4 | · | part |
| 8 | Spark Plug | spark-plug | 4× | 4 | · | part |
| 9 | O-Ring Set | oring-set | 2× | 2 | · | part |
| 10 | Fastener Set | fastener-set | 1× | 1 | · | part |
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Where the powerhead is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
Sourcing: possible vendors
Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
|
🇨🇳Foxconn
foxconn.com ↗
|
Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| flex.com ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| dixoninfo.com ↗ | Noida, IN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| bydelectronic.com ↗ | Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |