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Big Bore Cylinder Kit

Big Bore Kit (+3mm) 270cc Yamaha YZF250 2019-2025 / WRF250 2020-2024 CW21013K01 Cylinder Works

More cc, more torque - the single biggest power upgrade for your bike.

Big Bore Kit (+3mm) 270cc Yamaha YZF250 2019-2025 / WRF250 2020-2024 CW21013K01 Cylinder Works
Actual Verified Photo Verified: actual photo of product
Brand
CYLINDER WORKS
Part No:
CW21013K01
Delivery:
2 weeks back order
Delivery info
UK based Free deliveryOn orders over £50
£618.80(£515.67 ex VAT)

Key benefits of fitting this part

Real power increase Increases displacement for a genuine, noticeable jump in torque and top-end power.
Bolts onto stock cases Bolts onto your existing crank cases, so there's no need for a full engine swap.
Most popular power mod The upgrade most riders reach for first when they want more from their bike.
Brand
CYLINDER WORKS
Part No:
CW21013K01
Delivery:
2 weeks back order
Delivery info
UK based Free deliveryOn orders over £50

Product description

Big Bore Kit (+3mm) 270cc Yamaha YZ250F 2019-2024 / WR250F 2020-2025

CW21013K01 Cylinder Works

  • Uses Vertex Piston: 24405
  • Compression Ratio: 13.8:1
  • Cylinder Diameter: 80 mm
  • Cylinder Kit Type: Big Bore
  • Displacement: 270 cc
  • Engine Type: 4-Cycle
  • Includes: Cylinder, Piston Kit, and Top-End Gasket Kit
  • Size Over Standard: +3.00mm

 

  • WR 250 F (20-24); YZ 250 F (19-24); YZ 250 FX (20-24)

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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
Trustpilot

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