
Precision components / Crankshaft
Ruizheng Racing Yamaha YFZ350 Banshee 350 Twin Cylinder Racing Crankshaft
Yamaha Banshee 350 / YFZ350 ATV
- Standard stroke
- 54 mm
- Standard crank throw
- 27 mm
- Piston pin diameter
- 16 mm
View applications & fitment. Custom stroke available; specify your required dimensions.
At a glance
Key specifications
Supplier-provided references. Final custom configurations must be agreed. See the complete technical specifications below.
Engineering data
Technical specifications
Dimensions & geometry
- Reference cylinder bore
- 64 mmProject confirmation required
- Standard stroke
- 54 mmProject confirmation required
- Standard crank throw
- 27 mmProject confirmation required
- Standard connecting rod length
- 110 mm centre-to-centreProject confirmation required
- Piston pin diameter
- 16 mmProject confirmation required
Application & supply
- Engine type
- 2-stroke, parallel twin-cylinderProject confirmation required
- Reference displacement
- 347 ccProject confirmation required
- Cooling
- Liquid cooledProject confirmation required
- Reference long connecting rod option
- 115 mm centre-to-centre; configuration by quotationProject confirmation required
- Connecting rod quantity
- 2 pcsProject confirmation required
- Crankshaft design
- Multi-piece / built-up assemblyProject confirmation required
- MOQ
- 10 pcs standard; 100 pcs custom
Specification source & technical context
Twin-cylinder crankshaft assembly for Yamaha Banshee 350 / YFZ350 ATV sourcing. Supplier data identifies a 54 mm standard-stroke reference with 110 mm connecting rods. Standard orders start at 10 pcs; custom projects start at 100 pcs. Confirm the exact stroke, rod configuration and supplied components before ordering.
Detailed product images

Supplier-provided supplier reference assembly with different centre-section appearance. Photographed accessories and quantities do not establish the final supply configuration.
General equipment reference
General supplier equipment reference only. This image does not establish production, inspection results or certification for this product.

General workshop reference; no measured quality result or production-batch claim is established.

General workshop reference; no measured quality result or production-batch claim is established.
Supplier-provided applications
Applications & fitment
Yamaha Banshee 350 / YFZ350 ATV
- Yamaha Banshee 350
- Yamaha YFZ350
- Yamaha Banshee 350 LE
- Yamaha Banshee 350 SE
- Yamaha Banshee 350 SP
- Yamaha RZ350 (supplier candidate, engine-specific review required)
Please confirm your engine version and installation dimensions before ordering. The list is supplied for sourcing review; it does not establish interchangeability across engine generations.
OEM / Customization
Your project requirements.
Custom stroke is available. Supplier reference stroke-up options: +4 mm / +7 mm / +10 mm; confirm total stroke, rod length and engine clearance against the approved drawing. Standard MOQ 10 pcs; custom MOQ 100 pcs.
Related products
Related components, not a claim of interchangeability.
Before you order
Frequently asked questions
What is the minimum order quantity?
The stated MOQ is 10 pcs standard; 100 pcs custom.
Which application is supplied for reference?
Yamaha Banshee 350 / YFZ350 ATV. The detailed application list comes from supplier material. Confirm the exact engine code and installation dimensions before ordering.
Are custom specifications available?
Custom stroke is available. Supplier reference stroke-up options: +4 mm / +7 mm / +10 mm; confirm total stroke, rod length and engine clearance against the approved drawing. Standard MOQ 10 pcs; custom MOQ 100 pcs.
What should I provide for a quotation?
Send the engine reference, selected dimensions, required quantity, destination market and drawing or sample when available. Final material, tolerances and supplied components are agreed in the quotation.
Start your specification review
Request a Quote
Tell us your required stroke, engine version and assembly requirements. MOQ: 10 pcs standard; 100 pcs custom.
Request a QuoteThe RFQ requirements field includes a custom-stroke entry prompt. No unconfirmed stroke options are offered.