New to Powersport Superstore? Try our Year-Make-Model search and find the right parts for your ride by clicking "My Garage" on the upper-right! ➡

Wiseco SK1094 Top End Kit - Standard Bore 73.00mm

SKU: 4129241

Wiseco SK1094 Top End Kit - Standard Bore 73.00mm

Wiseco
$352.99
$352.99 $391.95
Sale Sold out
/
Shipping calculated at checkout.
In stock and ready for shipping
This is a pre order item. We will ship it when it comes in stock.
Bore: 73.00mm
Sizing: Standard Bore

Cylinder sleeves must be purchased separately.
Pro-Lite.
Cast Iron bore.
Nikasil bore.

Contains all the necessary components for overboring or rebuilding your top end. Feature forged pistons, rings, wrist pins, circlips and top end gasket set.

Vehicle Fitment:

1987-1990 Yamaha EX570 Exciter
1991-1993 Yamaha EX570 Exciter II
1989 Yamaha EX570E Exciter Deluxe
Secure, Trusted, and Encrypted

Protected by industry-leading 256-bit SSL encryption and backed by Shopify’s PCI DSS–compliant infrastructure. Every page, click, and transaction is encrypted and monitored for threats — so you can shop with confidence knowing your data stays protected.

Parts for Every Machine

We stock aftermarket parts, gear and accessories for motorcycles, ATVs, UTVs, snowmobiles, personal watercraft, and even performance cars — all backed by expert support and live inventory.

Real-Time Fitment Accuracy

Search by Year, Make, and Model with confidence. Our proprietary vehicle fitment system ensures you’re only shown what fits — no guesswork, no returns — just parts that fit.

Fast, Trackable Shipping

We ship from over 20 U.S. warehouses — often same or next business day. Every order includes tracking and transparent fulfillment updates from start to finish, all processed through a secure, encrypted checkout.

Quick Links

Ride With Us. Stay Connected.

Follow us for real-time fitment updates, gear drops, and pro tips from the garage. No spam, just parts, tech, and news for riders like you.

Your Garage

Add a Vehicle