The top end is where power is made and where cut corners come back to haunt you. For 52.50 mm / Yamaha RT100 engines, the WISECO 771M05250 piston kit offers a rebuild-ready solution manufactured to exceed OEM tolerances. Designed and built for each specific 2-stroke powersports engine. Forged from high-silicon alloy for maximum strength and dependability. Bore - Oversize: +0,50 mm. Run it with quality rings and fresh gaskets, and the 771M05250 gives you a bottom end rebuild that lasts.
Features
- Designed and built for each specific 2-stroke powersports engine
- Forged from high-silicon alloy for maximum strength and dependability
- Dedicated forgings and additional lightening operations allow for optimized strength-to -weight ratio
- Kit includes piston(s), ring(s), wrist pin, and circlips
Specifications
- Bore - Oversize: +0,50 mm
- Displacement: 97 cc
- Skirt Coating: Non-Coated
- Riding Style: Off-Road
- Piston Diameter: 52.45 mm
- Piston Material: 4032 Aluminum Alloy
- Bore - Oversize: +0.50 mm
- Bore Size: 52.50 mm
- Product Name: Piston Kit
- Stroke Length: 45.60 mm
- Units: Kit
- Engine Type: 2-Stroke
- Model: Forged Series
Frequently Asked Questions - WISECO - 771M05250 - Piston Kit - 52.50 mm - Yamaha RT100
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.
