Wiseco 99-19 Yamaha YZ250 Bottom End Gasket Kit

SKU: WISWB1051

Powersports Gasket Kits

WIS Bottom End Gasket Kits

Wiseco

Wiseco 99-19 Yamaha YZ250 Bottom End Gasket Kit

SKU: WISWB1051

Powersports Gasket Kits

WIS Bottom End Gasket Kits

Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

Wiseco's bottom-end rebuild kits help save time and money for your dirt bike, ATV, or UTV bottom-end rebuild. Available for many popular applications, these kits contain a crankshaft assembly, main bearings, and a bottom-end gasket kit, all in one box under one part number.

Part Type

Engine Gasket Set

Data: v4.2 - Upd: 2026-09-30 17:37:30

Features

Copper-plated, heat-treated, and shot-peened connecting rod to remove residual stress and smooth surface blends
Elevated engineering and quality control measures to ensure reliable service
Gasket kits supply all gaskets and seals specified under one part numberManufactured by leading gasket suppliersInspected for quality and accuracyA must-have to get every rebuild done right!
Includes complete crankshaft assembly, main bearings, and complete bottom-end gasket and seal kit in one box
OEM quality main bearings and rod bearings for smooth operation and reliable longevity
Precision machined crank webs for ultimate strength and durability

Specifications

Product Attributes - Brand: Wiseco
Product Attributes - Manufacturer's Part Number: WB1051
Product Attributes - Part Type: Powersports Gasket Kits
Product Attributes - Product Line: Wiseco Bottom End Gasket Kits
Product Attributes - UPC: 00193564115515
Product Attributes - Gasket Set Type: Bottom-end set
Product Attributes - Head Gaskets Included: No
Product Attributes - Cylinder Head O-Rings Included: No
Product Attributes - Cylinder Head Sealing Washers Included: No
Product Attributes - Base Gaskets Included: No
Product Attributes - Cam Chain Tensioner Gaskets Included: No
Product Attributes - Cam Chain Tensioner O-Rings Included: No
Product Attributes - Valve Stem Seals Included: No
Product Attributes - Intake Gaskets Included: No
Product Attributes - Exhaust Gaskets Included: No
Product Attributes - Power Valve Gaskets Included: No
Product Attributes - Crankcase Clutch Cover Gasket Included: Yes
Product Attributes - Outer Clutch Cover Gasket Included: Yes
Product Attributes - Crank Oil Seal Left Side Included: Yes
Product Attributes - Crank Oil Seal Right Side Included: Yes
Product Attributes - Crankcase Center Gasket Included: No
Product Attributes - Magneto Stator Cover Gasket Included: Yes
Product Attributes - Water Pump Gaskets Included: Yes
Product Attributes - Quantity: Sold as a kit.

Reference Information

Brand Name/s	Wiseco
StreetFX SKU	wisWB1051
SFX Item ID	4067074
Supplier Item Code	4067074
Manufacturer SKU	WB1051
Manufacturer UPC	193564115515
Alternative References	YZ250