Description
Vito’s Standard Stroke Crankshaft for Yamaha Blaster
The Vito’s Standard Stroke Crankshaft is a brand-new replacement crankshaft for the 1988–2006 Yamaha Blaster YFS200. It retains the factory 57mm stroke, making it an excellent choice for stock rebuilds, trail engines and performance builds that do not require a stroker crankshaft.
This crankshaft installs as a factory-style replacement and does not require the spacer plate, cylinder modifications or piston adjustments associated with a stroker crankshaft. It can be used with a stock cylinder or a compatible big-bore cylinder.
Direct-Fit Yamaha Blaster Crankshaft
A worn crankshaft can cause excessive vibration, engine noise, poor performance and serious internal engine damage. If the connecting rod has excessive side clearance, vertical play or a rough lower rod bearing, the crankshaft should be inspected or replaced before the engine is returned to service.
The Vito’s crankshaft provides a practical replacement for a damaged or worn original Yamaha Blaster crankshaft. Its standard 57mm stroke maintains the engine’s original geometry and displacement for the selected cylinder bore.
Product Features
- Manufactured by Vito’s Performance
- Brand-new complete crankshaft assembly
- Standard OEM-style 57mm stroke
- Direct replacement for the original Yamaha crankshaft
- Fits every Yamaha Blaster model year from 1988 through 2006
- Compatible with cylinder bore sizes from 66mm through 73mm
- Works with stock, replacement and compatible big-bore cylinders
- Includes a new silver-cage wrist pin bearing
- No stroker spacer plate required
- Suitable for recreational, trail and performance engine builds
Vehicle Fitment
Make: Yamaha
Model: Blaster YFS200
Years: 1988–2006
Engine: 195cc air-cooled two-stroke
Stroke: Standard 57mm
Compatible bore range: 66mm–73mm
What Is Included?
- One Vito’s standard-stroke Yamaha Blaster crankshaft
- One new silver-cage wrist pin bearing
Crankshaft main bearings, seals and engine gaskets are not included unless specifically shown or selected separately.
Professional Installation Recommended
Installing a Yamaha Blaster crankshaft requires complete engine disassembly and separation of the crankcases. The crankshaft runout, main bearings, transmission bearings, seals, crankcase condition and connecting-rod clearances should all be inspected during installation.
Ken OConnor Racing offers professional crankshaft and engine machining services for Yamaha Blaster engines. Contact us if you need help inspecting your crankshaft, rebuilding your bottom end or assembling a complete engine.
Why Buy from Ken OConnor Racing?
Ken OConnor Racing is a full-service motorcycle and ATV engine machine shop specializing in Yamaha Blaster engines. Our products are selected using decades of engine building and machining experience. If you are unsure whether this crankshaft is correct for your build, contact us before ordering.
Order your Vito’s Standard Stroke Crankshaft for Yamaha Blaster YFS200 today and restore your engine with a new, direct-fit crankshaft assembly.
Product Specifications
| Specification | Details |
|---|---|
| Manufacturer | Vito’s Performance |
| Product type | Complete crankshaft assembly |
| Stroke | Standard 57mm |
| Fitment | Yamaha Blaster YFS200 |
| Model years | 1988–2006 |
| Bore compatibility | 66mm–73mm |
| Condition | Brand new |
| Wrist pin bearing | Included |
| Spacer plate required | No |





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