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YFZ450 YFZ 450 Big Bore Stroker 98 mil Complete 500cc Motor Engine Rebuild Kit
YFZ450 YFZ 450 Big Bore Stroker 98 mil Complete 500cc Motor Engine Rebuild Kit
YFZ450 YFZ 450 Big Bore Stroker 98 mil Complete 500cc Motor Engine Rebuild Kit
YFZ450 YFZ 450 Big Bore Stroker 98 mil Complete 500cc Motor Engine Rebuild Kit
YFZ450 YFZ 450 Big Bore Stroker 98 mil Complete 500cc Motor Engine Rebuild Kit
YFZ450 YFZ 450 Big Bore Stroker 98 mil Complete 500cc Motor Engine Rebuild Kit

YFZ450 YFZ 450 Big Bore Stroker 98 mil Complete 500cc Motor Engine Rebuild Kit

Regular price$1,810.00
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Shipping calculated at checkout.

FITS ALL YAMAHA YFZ450 CARB MODEL YEARS AND MODELS!

NEW BPR 98mm cylinder
Wiseco or CP forged piston**
Hi temp piston rings
Wristpin
Circlips
Hotrods +3mm stroker crank with rod
Main bearings
Counter balancer bearings
Transmission bearings
Shift cam bearing
Clutch needle bearing
Water pump bearing
Complete gasket kit
Complete seal kit
Valve stem seals
Timing chain
Head stud kit
Clutch kit
Stickers

 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.  If you are returning an order because buyer “Changed Mind” it is subject to a 10% restocking fee plus a deduction for our cost shipping the order to you.  Orders must be sent back 100% complete and all parts must be brand new, never installed, in the original packaging to receive a refund for them.  Once items have been modified, 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 in the same condition they were when they left our facility.  For more info about returns see the eBay Return Policy. 

 *Warranty: We stand behind all parts we sell 100%.  Everything we sell has been tested hundreds if not thousands of times and when installed and tuned correctly they work over 99% of the time.  Part failures happen, but it is rare that it is not due to being installed incorrectly.  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, and it is the responsibility of the person assembling and tuning the engine to make sure everything works correctly.  It requires special tools and has to be done 100% correct.  Many parts must be measured down to .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.   STUD WARRANTY: If for any reason a stud fails during use, not installation, we will send a completely new stud kit.  No other parts or any labor are included, and it can not be converted to a refund or discount on any order.  Studs must be returned to us for inspection first.  ALPHA CUB WARRANTY: If your Alpha Cub cylinder fails for any reason not related to installation, tuning, break in, or misuse we will fix the cylinder free of charge.  If it can not be fixed we will supply you with a new one.

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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Customer Reviews

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K
Kimberly Blanton

I bought a 98mil stroker kit and I am very happy with it thing rips! Paired it with some cams a lectron carb and 110! And dime goons customer service is amazing

Thanks a lot for sharing your thoughts on the new build! We're super pumped to hear about your experience. It's awesome to know that everything went well for you.

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!