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Main Bearing and Seal Kit

The bearings and seals that hold your crankshaft running true.

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Main Bearing and Seal Kit

The bearings and seals that hold your crankshaft running true.

Brand
ProX
Delivery:
1-2 working days
Delivery info
UK based Free deliveryOn orders over £50
£109.15(£90.96 ex VAT)

Key benefits of fitting this part

Stops crank rattle Restores tight crank tolerances, stopping the vibration and rattle that come with worn mains.
Stops crank rattle
Keeps oil where it belongs New seals keep transmission oil and crank cases properly separated, protecting both.
Keeps oil where it belongs
Bottom end rebuild essential The foundation of any proper bottom end rebuild.
Bottom end rebuild essential

Complete the job

Hand-picked parts commonly needed for the same repair or upgrade.

Main Bearings (Crank) and Seals Kawasaki KXF250 2021-2024 23.CBS43051

Main Bearings (Crank) and Seals Kawasaki KXF250 2021-2024 23.CBS43051

ProX crankshaft bearings and seals are manufactured at leading OEM factories, mainly in Japan.

All bearings and seals are made to exact OEM specifications, to ensure maximum quality and performance.

What our customers 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
See all reviews on Trustpilot

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