moto parts

YFZ450 YFZ 450 98mm Big Bore Stroker Complete Rebuilt Motor Engine Rebuild 500cc

Regular price$1,200.00
Shipping calculated at checkout.


    • 98mm NEW DESIGN big bore cylinder
    • JE Wiseco or CP forged piston**
    • Hi temp piston rings
    • Wristpin
    • Circlips
    • Hotrods +3mm stroker crank with rod
    • Maxlock head stud kit - LIFETIME WARRANTY*
    • Main bearings
    • Transmission bearings
    • Shift cam bearings
    • Counter balancer bearings
    • Water pump bearing
    • Water pump shaft
    • Complete gasket kit
    • Cometic MLS head gasket
    • Complete seal kit
    • Valve stem seals
    • Cam chain
    • Clutch kit
    • Stickers
    • Bolt on kit no machining required
    • Piston uses pump or race gas
    • All parts are brand new
    • 1 year warranty*

    Returns: We accept returns within the first 30 days from the date the item was shipped.  You can return part or all of your order.  All claims for orders sent incorrect, incomplete, or damaged should be made right away by contacting us.  99% of problems can be easily solved without returning the entire order.  Orders returned due to “changed mind” or “parts not needed anymore” are subject to a 10% restocking fee plus a deduction for our cost shipping the order to you.  Any part to be returned must arrive to our facility 100% complete, and all parts must be brand new, never installed, in the original packaging, to receive a refund for them. It is the buyer’s responsibility to ensure returned parts arrive to us in the same condition they were when they left our facility.  Any item returned that does not meet the above conditions will not be refunded.  For more info about returns see the eBay Return Policy. 

     *Warranty: This product is NOT DIY and it is the responsibility of the person installing and tuning the parts to ensure they work correctly.  Over 99% of people in the world are not qualified to work on an engine, and we ALWAYS STRONGLY recommend parts be installed by a qualified, experienced mechanic. STUD WARRANTY: If for any reason a stud fails during use, not installation, we will send a new, complete stud kit.  No other parts or any labor are included, and it cannot be converted to a refund or discount on any order.   ALPHA CUB WARRANTY: If your Alpha Cub cylinder fails it will be repaired or replaced free of charge.  Warranty for all products we sell does not cover failure that is a result of improper installation, tuning, break in, or misuse.  For any warranty to be considered the part(s) in question must first be sent back to us for inspection.  We do not warranty parts based on phone calls, photos, emails, what you read online, or another mechanic's assessment 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!