YFZ450 YFZ 450 OEM Crank Big Bore Cylinder Kit Complete Motor Rebuild 98mm 478cc
YFZ450 YFZ 450 OEM Crank Big Bore Cylinder Kit Complete Motor Rebuild 98mm 478cc
YFZ450 YFZ 450 OEM Crank Big Bore Cylinder Kit Complete Motor Rebuild 98mm 478cc
YFZ450 YFZ 450 OEM Crank Big Bore Cylinder Kit Complete Motor Rebuild 98mm 478cc
YFZ450 YFZ 450 OEM Crank Big Bore Cylinder Kit Complete Motor Rebuild 98mm 478cc
YFZ450 YFZ 450 OEM Crank Big Bore Cylinder Kit Complete Motor Rebuild 98mm 478cc
YFZ450 YFZ 450 OEM Crank Big Bore Cylinder Kit Complete Motor Rebuild 98mm 478cc

YFZ450 YFZ 450 OEM Crank Big Bore Cylinder Kit Complete Motor Rebuild 98mm 478cc

Regular price$1,673.00
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Shipping calculated at checkout.

FITS ALL YAMAHA YFZ450 MODELS AND YEARS CARB MODEL ONLY!


98mm big bore cylinder
NEW GENUINE OEM YAMAHA crank with rod
12.75:1 Wiseco or CP forged piston
Hi temp piston rings
DLC chrome wristpin
Circlips
MAXLOCK head stud kit
Heavy duty main bearings
Transmission bearings
Water pump bearing and seal
Complete gasket kit
Complete seal kit
Cam chain
HD clutch kit
Install instructions**

No modification of any kind is required to use this kit.  Piston uses pump or race gas.  Everything is new in the original packaging and the original manufacturer's warranty applies*

Please check your order thoroughly when you receive it and contact us if you have any issues at all. Thanks!!

*We ALWAYS STRONGLY recommend that this be installed by a qualified mechanic with experience doing this type of work.  Warranty does not cover any failure that is a result of improper installation, improper break in, improper tuning, or misuse.  For any warranty to be considered the part(s) in questions must first be sent to us for inspection.  We can not warranty anything based on phone calls or photos alone.

We ship next day most of the time. Modquad parts are shipped Monday-Thursday. Engine Kits are 3-5 business days.

We don't do backorder! If your items has already sold you will be notified immediately and you money refunded on the spot.

Sold items are removed daily.

If you see it on this website, it is 100% in stock unless it just sold before you clicked buy.

If you call we answer, if you text we respond, if you have a question we respond. Sometimes we sleep so it could be next morning but we will respond.

Thank you for shopping with us! We appreciate you!

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Cut em Up!

Dune Goons Rider ~ Breanna
Showing her personal style and cutting the shirts up to her liking. We don't mind one bit! Cut em Up!