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  • Yamaha YZ400 1976-78 Top End Piston Kit 86.0mm 1.0mm Over

Yamaha YZ400 1976-78 Top End Piston Kit 86.0mm 1.0mm Over

2 Reviews
SKU: KTY15-1.0
ID: 2654
Quantity discounts available:

VintCo has all new Top End Piston kits to help you keep the ride going!  These complete top end kits come with everything you need to get your rebuild done easily and cost effectively.  This kit includes a high quality VintCo Piston kit (piston, rings, pin and clips), top end bearing and a full top-end gasket kit (head gasket, base gaskets, intake gasket, and exhaust gaskets).  All components are made with modern materials and manufacturing techniques to ensure an as good or better than OEM fitment and performance. This Yamaha YZ400 1976-78 Top End Piston Kit 86mm (+1mm over), will save you 10% compared to buying the pieces individually.  The OEM part numbers are provided to ensure an exact fitment as well. More size options are also available. 

  • Kit price includes 10% discount over individual items
  • Top End Kit Includes
  • Forged Piston made in Germany Mos2 coated for break in
  • Piston/OE#2K8-11638-00-00 85.92mm Clearance 0.08mm
  • Head Gasket / OE# 500-11181-00-00
  • Base Gasket / OE# 500-11351-09-00
  • Base Gasket / OE# 1M2-11351-01-00
  • Intake Gasket / OE# 8Y7-13556-01-00
  • Exhaust Gasket / OE# 214-14613-09-00
  • Exhaust Gasket / OE# 248-14623-10-00
  • Wrist Pin Bearing / OE# 93310-218A6-00

Stock Availability: in stock


  • 1976 Yamaha YZ400
  • 1977 Yamaha YZ400
  • 1978 Yamaha YZ400

Ratings & Reviews

2 reviews

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Good job

by -

The top end kit was complete and everything worked well. Glad Vintco is there to make good things happen!

Great company. glad we found you !!!

by -

As always we were delighted to find the parts we needed for the vintage bike with Vintco. The prices are great and the service is wonderful. We will continue to purchase parts from them as we need them as our shop specializes in vintage bikes. Thanks!!
<br> Paradise Cycle shop