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Piston Kit (Big Bore)

Vertex Piston Kit Yamaha YZ85 2002 - 2018 (Big Bore +5mm) 52.45mm

The #1 cause of lost power - a worn piston and rings.

Vertex Piston Kit Yamaha YZ85 2002 - 2018 (Big Bore +5mm) 52.45mm
Actual Verified Photo Verified: actual photo of product
Brand
VERTEX
Part No:
23628
Condition:
New
Delivery:
1-2 working days
Delivery info
UK based Free deliveryOn orders over £50
£99.06(£82.55 ex VAT)

Key benefits of fitting this part

Restores lost compression Restores lost compression and stops the power bleed-off that comes with a worn piston.
Everything needed, in one kit Includes rings, pin and clips, so nothing else needs sourcing separately.
Most common top-end fix The most common fix for a tired top end.
Brand
VERTEX
Part No:
23628
Condition:
New
Delivery:
1-2 working days
Delivery info
UK based Free deliveryOn orders over £50

Product description

Vertex pistons are made from cast aluminium (not forged) with an 18-20% silicone content which gives you a light but strong piston. Piston skirts are bisulphide coated for faster break-in time and increased piston life. All pistons are heat treated with T-5 hardening and tempering cycle. Race proven by Ricky Carmicheal and Pro Circuit

Piston kit contains piston, piston rings, gudgeon pin and circlips.

  • Compression Ratio STD
  • Cylinder Diameter 52.500 mm
  • Displacement 104 cc
  • Piston Diameter 52.450mm
  • Size Over Standard +5.0mm

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What our riders say

First time buyer

First time using this site.  Loved how easy it was to find part.  Needed more info so rang up and the chap couldn't have been more helpful.  Would definitely recommend and will be back for more bits soon.

Matthew Perigo

Fantastic customer service!

Bought a camshaft stage 2. Quick delivery - great price and included free delivery. Drop in replacement cam. Can't fault it!

Colin Smith

Hot Rods Crankshaft

Crank arrived for my CR125R. Great quality from Hot Rods - bike back up and running in no time! Cheers Motocross Parts!

Danny Evans

Yamaha YZ250 parts

Ordered a Top End Rebuild for my Yam 250cc.

Good quality Vertex Kit arrived with free spark plug - and a free bottle opener! Nice touch. 100% recommend.

Brian Macdonald

Super easy!

Really easy to find parts... ordered and arrived before the weekend ready for racing. Great prices and great service :-)

Michael Evans

Needed help!

Spoke to customer services who advised on the parts for my sons bike.

Recommend and will be using again!

Paul Adams

Super Fast Delivery

Ordered a bottom end rebuild kit on Thursday and it arrived Friday morning. Great service! Thanks guys

Mr Carl Stewart
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