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Big Bore Cylinder Kit

CYLINDER KIT YAMAHA YZ250 2003-2024 72mm BIG BORE 293cc

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

CYLINDER KIT YAMAHA YZ250 2003-2024 72mm BIG BORE 293cc
Actual Verified Photo Verified: actual photo of product
Brand
ATHENA
Part No:
P400485100042
Condition:
New
Delivery:
2-3 working days
Delivery info
UK based Free deliveryOn orders over £50
£1,248.00(£1,040.00 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
ATHENA
Part No:
P400485100042
Condition:
New
Delivery:
2-3 working days
Delivery info
UK based Free deliveryOn orders over £50

Product description

YZ250 (293) 2003 - 2024


Big Bore to 293cc ATHENA CYLINDER KIT P400485100042 72mm BORE Kits include aluminium cylinder with a galvanic coating designed with larger water jackets for better cooling and a Forged piston with molybdenum coating for the best in performance.

Each kit also contains a special gasket and easy to fallow step by step instructions.

No machining is required.

KIT OPTIONS.
S4F07200006A Piston Kit 71,95,
S4F07200006B Piston Kit 71,96,
P400485160183 Gaskets Kit,
S410485308029 Cylinder Head,
S410485303025 Valve Assy Kit,
S41316257Rings,

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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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