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Xmetalworks XScream Yamaha 771cc Engine Short Block

Product Code:XSC-S-M001

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Availability: In stock

$4,600.00
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Quick Overview

Xmetal XScream Yamaha 771cc Engine Short Block
Our 85mm Big Bore is where the real fun begins. We transform an OEM 61x cylinder from an ordinary 701cc into a 771cc arm yanker.

  • http://www.freestylefactory.com/media/catalog/product/cache/1/image/9df78eab33525d08d6e5fb8d27136e95/x/m/xmmm771cc-01_2.jpg
  • http://www.freestylefactory.com/media/catalog/product/cache/1/image/9df78eab33525d08d6e5fb8d27136e95/x/m/xmmmm771cc-02_2.jpg
  • http://www.freestylefactory.com/media/catalog/product/cache/1/image/9df78eab33525d08d6e5fb8d27136e95/x/m/xmmmmmm771cc-03_1.jpg
$4,600.00

Details

Xmetal XScream Yamaha 771cc Engine Short Block Product Description: Our 85mm Big Bore is where the real fun begins. We transform an OEM 61x cylinder from an ordinary 701cc into a 771cc arm yanker. Utilizing the stock crank means this is about as low maintenance as you can get. Great for surf and amateur class legal boats. This was the package of choice for team rider Michael Ratti to compete with in the '06 & '07 full seasons. We provide tuning recommendations and support to ensure complete satisfaction with our engine long after delivery. The BB771 is also available as top end kit. BB771 Short Block Features: XScream Freestyle Cylinder Porting Modified Yamaha 62T cases - Includes XScream epoxy and finger port work, reinforcing front seal area with epoxy, installing a second pulse line fitting and fly cutting to accommodate the larger sleeves XScream Big Bore Sleeves (84mm to 86mm bore) ADA Girdled Head Wiseco Forged Pistons Custom cut domes for pump, aviation or race fuel OEM Yamaha 701 Crankshaft OEM Yamaha Crank Seals

Additional Information

Weight 100.0000
Manufacturer No
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