Wiseco · New
Wiseco 94-97 Yamaha YZ125 Top End Gasket Kit
MPN W5420 · Store SKU wisW5420
Supplier stock checked 11/7/2026, 9:59:42 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
Wiseco offers top-end, bottom-end, and other gasket kits for many dirt bike, street bike, ATV, UTV, PWC, and snowmobile applications. Wiseco gasket kits deliver OEM+ quality for convenient and reliable rebuild jobs. Wiseco, Top End Gasket Kit, Yamaha YZ125 '94-97 Top End Gasket Kit Yamaha YZ125 '94-97 Top End Gasket Kit
Manufacturer fitment & guides
Check W5420 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y