Motorcycle Engine

Assembly

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Air or liquid cooled twin engine driving the rear wheel.

Direct parts	7
Total parts	20
Used in	1 assembly
Class	Assembly

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Air or liquid cooled twin engine driving the rear wheel. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Motorcycle Engine parts and their functions

7 top-level parts · 20 parts in total · full bill of materials below

Motorcycle Engine parts diagram: 1 crankcase, 2 cylinder, 3 spark plug, 4 helical gear pair, 5 gearbox housing, 6 ball bearing, 7 oil seal. 20 parts in 7 top-level items. — Motorcycle Engine parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Crankcase	1×
2	Cylinder	2×
3	Spark Plug	2×	Ignites the air-fuel mixture in a spark-ignition engine.
4	Helical Gear Pair	5×	Two meshing helical gears forming one reduction stage that steps torque up and speed down between parallel shafts with quiet, continuous tooth contact.
5	Gearbox Housing	1×	Rigid cast housing that holds the gears and bearings in alignment, contains the lubricant, and mounts the gearbox to the machine.
6	Ball Bearing	6×	Deep-groove radial ball bearing.
7	Oil Seal	3×	Spring-loaded rotary lip seal that keeps lubricant inside a housing and dirt out where a shaft passes through, sized to DIN 3760.

3D model

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Bill of materials for Motorcycle Engine

7 top-level lines · 7 rows shown · 20 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Crankcase	sidecar-rig-crankcase	1×	1	·	part
2	Cylinder	sidecar-rig-cylinder	2×	2	·	part
3	Spark Plug	spark-plug	2×	2	·	part
4	Helical Gear Pair	gear-pair	5×	5	·	part
5	Gearbox Housing	gearbox-housing	1×	1	·	part
6	Ball Bearing	ball-bearing	6×	6	·	part
7	Oil Seal	oil-seal	3×	3	·	part

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Used in 1 assembly

Base Motorcycle

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 $300–$90k. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳BYD byd.com ↗	Shenzhen, CN	EV & battery manufacturer	made to order	·
🇮🇳Tata Motors tatamotors.com ↗	Mumbai, IN	Automaker	made to order	·
🇨🇳SAIC Motor saicmotor.com ↗	Shanghai, CN	Automaker	made to order	·
🇮🇳Mahindra mahindra.com ↗	Mumbai, IN	Automaker	made to order	·
🇨🇳Geely global.geely.com ↗	Hangzhou, CN	Automaker	made to order	·