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Engine Core

Assembly

Single-cylinder 4-stroke engine bottom and top end. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Engine Core parts and their functions

12 top-level parts · 17 parts in total · full bill of materials below
Engine Core parts diagram: 1 crankcase, 2 crankshaft, 3 piston & rings, 4 cylinder barrel, 5 cylinder head, 6 valve train set, 7 carburetor, 8 oil pump, 9 spark plug, 10 oil seal, 11 ball bearing, 12 fastener set. 17 parts in 12 top-level items.
Engine Core parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Crankcase 1× Aluminum split crankcase housing crank and transmission.
2 Crankshaft 1× Forged crankshaft with integral counterweights.
3 Piston & Rings 1× Aluminum piston with rings, pin, and circlips.
4 Cylinder Barrel 1× Cast-iron-lined cylinder with cooling fins.
5 Cylinder Head 1× SOHC aluminum head with combustion chamber.
6 Valve Train Set 1× Intake + exhaust valves
7 Carburetor 1× Constant-velocity carburetor
8 Oil Pump 1× Trochoid oil pump for engine lubrication.
9 Spark Plug 1×
10 Oil Seal 3× Crank + shaft seals
11 Ball Bearing 4× Main + balancer bearings
12 Fastener Set 1× Bolts, nuts, and washers.

3D model

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Build & assembly graph

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Bill of materials for Engine Core

12 top-level lines · 12 rows shown · 17 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Crankcase moped-crankcase 1× 1 · part
2 Crankshaft moped-crankshaft 1× 1 · part
3 Piston & Rings moped-piston 1× 1 · part
4 Cylinder Barrel moped-cylinder-barrel 1× 1 · part
5 Cylinder Head moped-cylinder-head 1× 1 · part
6 Valve Train Set moped-valve-set 1× 1 · part
7 Carburetor moped-carburetor 1× 1 · part
8 Oil Pump moped-oil-pump 1× 1 · part
9 Spark Plug moped-spark-plug 1× 1 · part
10 Oil Seal oil-seal 3× 3 · part
11 Ball Bearing ball-bearing 4× 4 · part
12 Fastener Set fastener-set 1× 1 · part

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Where the engine core is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Power Unit

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 $500–$50k. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Weichai Power
weichai.com ↗ 		Weifang, CN Diesel & power engines 50 units 12–16 wks
🇮🇳Cummins India
cumminsindia.com ↗ 		Pune, IN Diesel engines 50 units 12–16 wks
🇨🇳Yuchai
yuchai.com ↗ 		Yulin, CN Diesel engines 50 units 12–16 wks
🇮🇳Kirloskar Oil Engines
koel.co.in ↗ 		Pune, IN Diesel & gas engines 50 units 12–16 wks
🇮🇳Ashok Leyland
ashokleyland.com ↗ 		Chennai, IN Engines & commercial vehicles 50 units 12–16 wks