Wiseco 90cc 4-stroke Piston Kit
Wiseco 90cc 4-stroke Piston Kit
In stock
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Estimated delivery: Feb 04 - Feb 08
About this product
About this product
Upgrade your 4-stroke engine's performance with this complete Wiseco high-performance piston kit. This kit provides all the necessary components to rebuild your top end, ensuring optimal power and reliability. Wiseco's reputation for quality and precision makes this kit a top choice for enthusiasts and professionals alike.
Description
The Wiseco 90cc piston kit is engineered to deliver improved performance and longevity for your 4-stroke engine. Featuring a robust 4032 aluminum alloy piston, this kit offers superior strength and heat resistance compared to OEM components. The included top-end gasket kit ensures a tight, leak-free seal, maximizing compression and power output. With a compression ratio of 11.0:1, this kit optimizes combustion efficiency for enhanced throttle response and overall performance. The 49.95 mm piston diameter is precision-machined for a perfect fit within a 50.00 mm bore. This kit is designed for easy installation, allowing you to rebuild your engine with confidence and get back on the road or track quickly.
Features & highlights
- Complete rebuild kit includes piston, rings, wrist pin, circlips, and top-end gasket kit.
- High-performance 4032 aluminum alloy piston for increased strength and heat resistance.
- Optimized 11.0:1 compression ratio enhances combustion efficiency and power output.
- Precision-machined piston diameter (49.95 mm) ensures a perfect fit.
- Top-end gasket kit guarantees a tight, leak-free seal for maximum performance.
- Designed for easy installation, making it ideal for both enthusiasts and professionals.
Technical specifications
- Brand: Wiseco
- Vendor Part Number: PK1681
- Bore Size: 50.00 mm
- Compression Ratio: 11.0:1
- Displacement: 90cc
- Engine Type: 4-Stroke
- Piston Diameter: 49.95 mm
- Piston Material: 4032 Aluminum Alloy
- Skirt Coating: Non-Coated
- Stroke Length: 45.60 mm
- Type: Top End
Important to know
- Wiseco ring types are not interchangeable (i.e., CD is not interchangeable with LC).
- Wiseco pistons can be fitted only with Wiseco rings.
- Cylinder sleeves must be purchased separately.
Shipping & Return
Shipping & Return
Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.
GLS home delivery costs DKK 59.
We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.
There is a 14-day return policy. Read more
Parts Denmark Info
Parts Denmark Info
Parts Denmark is a new webshop based in Denmark. We have a physical location you can visit (No showroom yet), and we have both email and phone support in our opening hours.
Our company info is:
Parts Denmark ApS
VAT: DK45974758
Dam Holme 11
3660 Stenløse, Denmark
hello@partsdenmark.com
+45 222 333 29
Best regards,
William Svendsen & Martin Høyer (Owners)
Specifications
WISECO
PK1681
Rebuild Kit
50,00 mm
11.0:1
90 cc
4032 Aluminum Alloy
45,60 mm
49.95 mm
Non-Coated
4-Stroke
Top End
Kit


Who is behind Parts Denmark
Martin and William are the duo behind Parts Denmark — an unlikely but awesome combo of a tech-savvy young IT wizard and a seasoned motorcycle guru who’s seen (and fixed) it all. Together, we’ve built a team with big ambitions, plenty of passion, and a shared mission to create great things — side-by-side with you.

