BOMwiki the bill-of-materials encyclopedia
30,454,201 parts mapped · 193,225 items
Discussion History

Four-Stroke Engine

Assembly

An air-cooled 212 cc overhead-valve single (the common 6.5 hp clone pattern) with recoil start, a float carburetor, and splash lubrication, making about 4.8 kW at 3,600 rpm. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Four-Stroke Engine parts and their functions

8 top-level parts · 9 parts in total · full bill of materials below
Four-Stroke Engine parts diagram: 1 cylinder block, 2 flywheel magneto, 3 carburetor, 4 recoil starter, 5 muffler, 6 air cleaner, 7 low-oil sensor, 8 oil seal. 9 parts in 8 top-level items.
Four-Stroke Engine parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Cylinder Block 1× OHV single, 70 mm bore
2 Flywheel Magneto 1× Ignition flywheel
3 Carburetor 1× Float-bowl carb
4 Recoil Starter 1× Pull start
5 Muffler 1× Exhaust silencer
6 Air Cleaner 1× Filter housing
7 Low-Oil Sensor 1× Oil level shutdown
8 Oil Seal 2× Crank seals

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.

Bill of materials for Four-Stroke Engine

8 top-level lines · 8 rows shown · 9 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Cylinder Block mini-bike-cylinder-block 1× 1 · part
2 Flywheel Magneto mini-bike-flywheel-magneto 1× 1 · part
3 Carburetor mini-bike-carburetor 1× 1 · part
4 Recoil Starter mini-bike-recoil-starter 1× 1 · part
5 Muffler mini-bike-muffler 1× 1 · part
6 Air Cleaner mini-bike-air-cleaner 1× 1 · part
7 Low-Oil Sensor mini-bike-low-oil-sensor 1× 1 · part
8 Oil Seal oil-seal 2× 2 · part

Something wrong in this list? Report a problem with this BOM.

Where the four-stroke engine is used

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

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