YFZ450R YFZ 450R 98 mil Big Bore Kit Complete Rebuilt Motor Engine Rebuild Kit
YFZ450R YFZ 450R 98 mil Big Bore Kit Complete Rebuilt Motor Engine Rebuild Kit
YFZ450R YFZ 450R 98 mil Big Bore Kit Complete Rebuilt Motor Engine Rebuild Kit
YFZ450R YFZ 450R 98 mil Big Bore Kit Complete Rebuilt Motor Engine Rebuild Kit
YFZ450R YFZ 450R 98 mil Big Bore Kit Complete Rebuilt Motor Engine Rebuild Kit

YFZ450R YFZ 450R 98 mil Big Bore Kit Complete Rebuilt Motor Engine Rebuild Kit

Regular price$1,673.00
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Shipping calculated at checkout.

FITS ALL YAMAHA YFZ450R/450X MODELS AND YEARS FI MODEL ONLY!

98mm BPR big bore cylinder
Wiseco JE or CP hi comp pump gas forged piston**
Hi temp piston rings
Chrome wristpin
Circlips
Hotrods or Wiseco crankshaft with rod
09-14 model clutch kit (fibers, steels, springs)
Main bearings
Counter balancer bearings
Transmission bearings
Shift cam bearing
Water pump bearing
Complete gasket kit - top and bottom end
MLS big bore head gasket
Complete crankcase oil seal kit
Valve stem seals
Water pump mechanical seal
Cam chain
HD head stud kit
Clutch kit

Payments:  We accept all forms of traditional and online payment methods available – Cash, MC, AMEX, VISA, DISC, PayPal, Venmo, Cash App, among others.  Payment can be made online or over the phone.  PRICES ARE SUBJECT TO CHANGE AND LISTINGS MAY BE REVISED AT ANY TIME WITHOUT NOTICE.

**Products we sell: At Dune Goons we sell parts from the best names in the industry.  Unless otherwise stated, we will put the quality of the parts we sell up against any other companies in the industry.  Also, we stock the same parts from different manufacturers so that when back orders occur like they have been for the last year we have an alternate part to send that is the same quality.  This would be the ONLY reason your order might be slightly different when it arrives.  We NEVER sub a cheaper part EVER without contacting you and offering you a partial refund.  If you want a certain brand part just ask (if part is back ordered this may cause a delay on your order).

 Returns: Please check your order completely when you receive it and contact us if there is an issue.  99% of problems can be easily solved without returning the entire order.  We accept returns within the first 30 days.  Orders must be sent back 100% complete and all parts brand new, never installed, in the original packaging.  Once items have been installed or used in any way, they are not eligible for return.  It is the buyer’s responsibility to ensure returned parts arrive to us without damage.  For more info about returns see the eBay Return Policy. 

 *Warranty: We stand behind all parts we sell 100%.  If after installation there is an issue contact us for a warranty return.  This product is NOT DIY.  Over 99% of people in the world are not qualified to build an engine.  It has to be done 100% correct, and many parts must be measured down to the .01”.  We ALWAYS STRONGLY recommend parts be installed by a qualified, experienced mechanic.  Warranty 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, or another mechanic's assessment alone.  It is the responsibility of the person assembling and tuning the parts to make sure they work correctly. 

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!