Single-Cylinder Engine
AssemblyLiquid-cooled 650 cc DOHC single tuned for tractable mid-range torque. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Single-Cylinder Engine parts and their functions
12 top-level parts · 63 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Crankcase | 1× | Compact split case carrying the single crank, balancer, and gearbox. |
| 2 | Crankshaft | 1× | Pressed-up single-throw crank with a heavy flywheel for low-rpm pull. |
| 3 | Piston | 1× | Cast aluminium piston with a domed crown for a 11:1 compression ratio. |
| 4 | Connecting Rod | 1× | |
| 5 | Cylinder Head 4 parts | 1× | Four-valve DOHC head with a single downdraft intake port. |
| 6 | Camshaft | 2× | DOHC |
| 7 | Balancer Shaft | 1× | Counter-rotating shaft that cancels the primary vibration of the single. |
| 8 | 5-Speed Gearbox 4 parts | 1× | 5-speed |
| 9 | Wet Clutch 3 parts | 1× | Multi-plate wet clutch giving fine slip control for technical low-speed riding. |
| 10 | Oil Seal | 4× | Spring-loaded rotary lip seal that keeps lubricant inside a housing and dirt out where a shaft passes through, sized to DIN 3760. |
| 11 | Ball Bearing | 6× | Deep-groove radial ball bearing. |
| 12 | Coolant System 4 parts | 1× | Pump, hoses, tank, and heat exchanger that circulate coolant to carry heat away from an engine or machine. |
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Bill of materials for Single-Cylinder Engine
12 top-level lines · 27 rows shown · 63 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Crankcase | dual-sport-motorcycle-crankcase | 1× | 1 | · | part |
| 2 | Crankshaft | dual-sport-motorcycle-crankshaft | 1× | 1 | · | part |
| 3 | Piston | dual-sport-motorcycle-piston | 1× | 1 | · | part |
| 4 | Connecting Rod | dual-sport-motorcycle-conrod | 1× | 1 | · | part |
| 5 | Cylinder Head 4 parts | dual-sport-motorcycle-cylinder-head | 1× | 1 | 13 | assembly |
| 5.1 | Engine Valve | dual-sport-motorcycle-valve-set | 4× | 4 | · | part |
| 5.2 | Valve Spring | dual-sport-motorcycle-valve-spring | 4× | 4 | · | part |
| 5.3 | Cam Follower | dual-sport-motorcycle-cam-follower | 4× | 4 | · | part |
| 5.4 | Head Gasket | dual-sport-motorcycle-head-gasket | 1× | 1 | · | part |
| 6 | Camshaft | dual-sport-motorcycle-camshaft | 2× | 2 | · | part |
| 7 | Balancer Shaft | dual-sport-motorcycle-balancer-shaft | 1× | 1 | · | part |
| 8 | 5-Speed Gearbox 4 parts | dual-sport-motorcycle-gearbox | 1× | 1 | 13 | assembly |
| 8.1 | Helical Gear Pair | gear-pair | 5× | 5 | · | part |
| 8.2 | Shift Drum | dual-sport-motorcycle-shift-drum | 1× | 1 | · | part |
| 8.3 | Shift Fork | dual-sport-motorcycle-shift-fork | 3× | 3 | · | part |
| 8.4 | Ball Bearing | ball-bearing | 4× | 4 | · | part |
| 9 | Wet Clutch 3 parts | dual-sport-motorcycle-clutch | 1× | 1 | 13 | assembly |
| 9.1 | Clutch Plate | dual-sport-motorcycle-clutch-plate | 7× | 7 | · | part |
| 9.2 | Clutch Basket | dual-sport-motorcycle-clutch-basket | 1× | 1 | · | part |
| 9.3 | Coil Spring | coil-spring | 5× | 5 | · | part |
| 10 | Oil Seal | oil-seal | 4× | 4 | · | part |
| 11 | Ball Bearing | ball-bearing | 6× | 6 | · | part |
| 12 | Coolant System 4 parts | coolant-system | 1× | 1 | 7 | assembly |
| 12.1 | Coolant Pump | coolant-pump | 1× | 1 | · | part |
| 12.2 | Coolant Tank | coolant-tank | 1× | 1 | · | part |
| 12.3 | Coolant Hose | coolant-hose | 4× | 4 | · | part |
| 12.4 | Coolant | coolant | 1× | 1 | · | part |
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Where the single-cylinder 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 |