Wiseco 93-12 Yamaha YFM400 Kodiak/Big Bear (4676M) Piston Kit

SKU: WISPK1778

Powersports Piston and Ring Kits

WIS Piston Sets - Powersports

Wiseco

Wiseco 93-12 Yamaha YFM400 Kodiak/Big Bear (4676M) Piston Kit

SKU: WISPK1778

Powersports Piston and Ring Kits

WIS Piston Sets - Powersports

Sale ends in Calculating... Wed 14 Oct, 3:07 am AEST

IN STOCK! Est Ship 3-5 Days days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.

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Description

The Wiseco team has remained at the forefront of powersports performance through every era and evolution, including the development of high-performance 4-strokes. Today, Wiseco's forged 4-stroke pistons are designed for each specific engine application and built to the tightest tolerances for the ultimate combination of performance and strength. Proven at every level of riding, Wiseco 4-stroke pistons are ready to deliver the power and reliability you're looking for.

Product Overview

Wiseco PISTON KT W/GASKET

Product Details

Description:	Wiseco PISTON KT W/GASKET
Part Number:	wisPK1778

Part Type

Engine Piston Set

Data: v4.2 - Upd: 2026-09-30 17:35:45

Features

Dedicated forgings allow for optimized strength-to-weight ratio
Designed and built for each specific 4-stroke powersports engine
Engineered, forged, and machined in the USA in Mentor, OH
Improved tensile strength of forged material optimizes strength and service life
Includes high-quality piston rings, wrist pin(s), and circlips

Specifications

Product Attributes - Brand: Wiseco
Product Attributes - Manufacturer's Part Number: PK1778
Product Attributes - Part Type: Powersports Piston and Ring Kits
Product Attributes - Product Line: Wiseco Powersports Piston Kits
Product Attributes - UPC: 00193564149039
Product Attributes - Piston Material: Forged aluminum
Product Attributes - Bore (mm): 83.500mm
Product Attributes - Stroke: 71.50mm
Product Attributes - Wrist Pin Style: Floating
Product Attributes - Wrist Pin Retainers Included: Yes
Product Attributes - Top Ring Material: Steel
Product Attributes - Top Ring Facing Material: Chrome
Product Attributes - Second Ring Material: Cast iron
Product Attributes - Second Ring Facing Material: Phosphate coated
Product Attributes - Oil Ring Material: Chrome plated stainless steel
Product Attributes - File Fit: No
Product Attributes - Gapless: No
Product Attributes - Gaskets Included: Yes
Product Attributes - Quantity: Sold as a kit.

Reference Information

Brand Name/s	Wiseco
StreetFX SKU	wisPK1778
SFX Item ID	4064626
Supplier Item Code	4064626
Manufacturer SKU	PK1778
Manufacturer UPC	193564149039
Alternative References	YFM400, (4676M)