My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Wiseco W6407 Top End Gasket Kit for Yamaha Powersports Engines

(2005-2008 Yamaha RS90 RS Vector; 2005-2007 Yamaha RS90M RS Vector Mountain; 2008 Yamaha RS90R RS Vector; 2005-2007 Yamaha RSG90 RS Rage + 2 more models)

Manufacturer

Picture for manufacturer Wiseco Pistons

Part Number

W6407
11 reviews
Sale Price

$66.99

Estimated ship date Friday, November 20

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Wiseco W6407 Top End Gasket Kit is a complete gasket solution engineered for Yamaha powersports engines. Designed and sourced in-house by Wiseco, this kit delivers OEM+ quality sealing performance to ensure a reliable, leak-free top end rebuild.

Kit Includes:

  • Head gasket – precision-cut for proper cylinder head sealing
  • Base gasket – ensures a critical seal between the cylinder and crankcase
  • Exhaust gasket – provides a durable, heat-resistant seal at the exhaust port

Key Features:

  • Manufactured from high-quality materials that meet or exceed OEM specifications
  • Engineered to complement Wiseco pistons and crankshafts for optimal compatibility
  • All required top end gaskets supplied under a single part number for convenience
  • Ideal for engine rebuilds, piston replacements, and performance upgrades

The Wiseco W6407 simplifies the rebuild process by supplying all critical top end gaskets in one kit, eliminating the need to source individual components separately. Whether refreshing a worn engine or completing a performance build, this gasket kit provides the quality and reliability Wiseco is known for.

Products specifications

Fits

2005-2008 Yamaha RS90 RS Vector; 2005-2007 Yamaha RS90M RS Vector Mountain; 2008 Yamaha RS90R RS Vector; 2005-2007 Yamaha RSG90 RS Rage; 2005-2009 Yamaha RST90 RS Venture; 2006-2009 Yamaha VK10 Viking Professional

So far so good. Was shipped quickly. Box had a couple holes torn in it, but arrived ok. Fit perfectly. Easy to install.

Great service.

easy to buy fast shipment will buy from again

Thank you

good price

Thanks

Good price. Site easy to use.

Price is great, easy to follow website

Cheapest prices i could find, and answered all the questions i had. Very fast shipping

Easy to deal with about shipping questions, great prices, and friendly customer service. One of the few places who says "I'll return you call" and actually does. Thanks...

easy ordering

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy