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Cylinder and Piston Kit Yamaha YZ85 2002–2018/YZ80 1993–2001

Cylinder and Piston Kit Yamaha YZ85 2002–2018/YZ80 1993–2001

Regular price $231.00
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Cylinder and Piston Kit for Yamaha YZ85 and YZ80

Complete standard replacement cylinder kit for the 2002-2018 Yamaha YZ85 and 1993-2001 Yamaha YZ80. Kit includes a 47.50mm bore cylinder, piston, rings, sealing elements and other parts as listed in the specifications.

Technical data

  • Application: Yamaha YZ85 2002–2018 and Yamaha YZ80 1993–2001
  • Cylinder bore diameter: 47.50 mm
  • Jump: 47.80 mm
  • Capacity: 85 cm³
  • Compression ratio: 8.2:1
  • Type: standard replacement cylinder kit

OEM/OE numbers

43K-11611-00-00, 4ES-11311-20-00, 4ES-11311-30, 11611, 11311, 4ES-11311-30-00, 4ES-11351-00-00, 11351, 4ES-11631-01-A0, 4ES-11633-00-00, 11631, 11633

Part numbers provided in the source

5PA-11311-20-00, 5PA-11311-30-00, 5PA-11631-00-D0, 93210-56459-00, 93210-84724-00, 93450-16115-00

Contents of the set

  • 1 × cylinder, bore 47.50 mm
  • 1 × gasket
  • 1 × piston
  • 1 × piston clip
  • 2 × piston protection
  • 1 × piston ring
  • 2 × o-ring
  • 2 × locating pin
  • 1 × needle bearing

The manufacturer recommends professional installation. Instructions are included with the kit.


Helpful information before purchasing

Before purchasing, compare the model and year of the motorcycle you are using with the kit: 2002-2018 Yamaha YZ85 or 1993-2001 Yamaha YZ80. Also, check the part numbers and required dimensions: cylinder bore 47.50 mm and stroke 47.80 mm.

The most important information

  • Kit designed for Yamaha YZ85 2002–2018 and YZ80 1993–2001.
  • The standard replacement cylinder has a bore diameter of 47.50 mm.
  • The stated capacity of the kit is 85 cm³ and the compression ratio is 8.2:1.
  • The source recommends professional installation and states that instructions are included.

Contents of the set

The set includes: cylinder, gasket, piston, piston clip, two piston retainers, piston ring, two O-rings, two locating pins and a needle bearing.

Frequently asked questions

How do I check if a part fits?

Check if your bike is a 2002-2018 Yamaha YZ85 or a 1993-2001 Yamaha YZ80. If in doubt, compare the part numbers and cylinder dimensions with the information provided in the description.

Is the product ready for assembly?

The kit includes the components listed in the specifications, and the source provides instructions. Installation should be performed by a professional.

Does the offer include a complete set?

Yes, the offer includes a set of items listed in the "Set Contents" section.

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Delivery information

Delivery estimates depend on the product, availability and destination ZIP code.

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Tracking & support

Tracking information is provided after dispatch. Questions? Contact our support team.

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