Boxer Twin Engine
AssemblyAir- and liquid-cooled 1250 cc opposed twin tuned for low-end torque. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Boxer Twin Engine parts and their functions
11 top-level parts · 86 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Crankcase | 1× | Horizontally split case carrying the boxer crank and integral gearbox. |
| 2 | Crankshaft | 1× | Forged 180-degree crank with the two big-ends side by side. |
| 3 | Piston | 2× | Opposed pistons |
| 4 | Connecting Rod | 2× | Forged steel rod sized for high low-rpm torque loads. |
| 5 | Cylinder Head 4 parts | 2× | One per bank |
| 6 | Camshaft | 4× | DOHC, both banks |
| 7 | 6-Speed Gearbox 4 parts | 1× | 6-speed |
| 8 | Wet Clutch 3 parts | 1× | Wet anti-hop |
| 9 | Oil Seal | 6× | Crank and shaft seals |
| 10 | Ball Bearing | 8× | Deep-groove radial ball bearing. |
| 11 | Coolant System 4 parts | 1× | Partial liquid cooling |
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 Boxer Twin Engine
11 top-level lines · 26 rows shown · 86 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Crankcase | adventure-motorcycle-crankcase | 1× | 1 | · | part |
| 2 | Crankshaft | adventure-motorcycle-crankshaft | 1× | 1 | · | part |
| 3 | Piston | adventure-motorcycle-piston | 2× | 2 | · | part |
| 4 | Connecting Rod | adventure-motorcycle-conrod | 2× | 2 | · | part |
| 5 | Cylinder Head 4 parts | adventure-motorcycle-cylinder-head | 2× | 2 | 13 | assembly |
| 5.1 | Engine Valve | adventure-motorcycle-valve-set | 4× | 8 | · | part |
| 5.2 | Valve Spring | adventure-motorcycle-valve-spring | 4× | 8 | · | part |
| 5.3 | Rocker Arm | adventure-motorcycle-rocker | 4× | 8 | · | part |
| 5.4 | Head Gasket | adventure-motorcycle-head-gasket | 1× | 2 | · | part |
| 6 | Camshaft | adventure-motorcycle-camshaft | 4× | 4 | · | part |
| 7 | 6-Speed Gearbox 4 parts | adventure-motorcycle-gearbox | 1× | 1 | 14 | assembly |
| 7.1 | Helical Gear Pair | gear-pair | 6× | 6 | · | part |
| 7.2 | Shift Drum | adventure-motorcycle-shift-drum | 1× | 1 | · | part |
| 7.3 | Shift Fork | adventure-motorcycle-shift-fork | 3× | 3 | · | part |
| 7.4 | Ball Bearing | ball-bearing | 4× | 4 | · | part |
| 8 | Wet Clutch 3 parts | adventure-motorcycle-clutch | 1× | 1 | 15 | assembly |
| 8.1 | Clutch Plate | adventure-motorcycle-clutch-plate | 8× | 8 | · | part |
| 8.2 | Clutch Basket | adventure-motorcycle-clutch-basket | 1× | 1 | · | part |
| 8.3 | Coil Spring | coil-spring | 6× | 6 | · | part |
| 9 | Oil Seal | oil-seal | 6× | 6 | · | part |
| 10 | Ball Bearing | ball-bearing | 8× | 8 | · | part |
| 11 | Coolant System 4 parts | coolant-system | 1× | 1 | 7 | assembly |
| 11.1 | Coolant Pump | coolant-pump | 1× | 1 | · | part |
| 11.2 | Coolant Tank | coolant-tank | 1× | 1 | · | part |
| 11.3 | Coolant Hose | coolant-hose | 4× | 4 | · | part |
| 11.4 | Coolant | coolant | 1× | 1 | · | part |
Something wrong in this list? Report a problem with this BOM.
Where the boxer twin engine 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 $500–$50k. How estimates work| Vendor | HQ | Specialty | MOQ | Lead 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 |