Scooter GY6 QMB139 50cc High Quality Naraku 52.4mm Big Bore Combo kit

  
Here we have one of the best quality big bore kits for the GY6 50cc QMB139 engines. Most cheap out and go for crappy quality chinese big bore kits and end up regretting it. The quality of this kit is just amazing! Also most kits on the market that claim they are 100cc or more are lies. IF you actually do the math they are not.

Here we give you a honest displacement of 89.3cc. Naraku 50cc QMB139 4-stroke 52.4mm, Racing Big Bore Cylinder and Head Kit. Kit includes cylinder, piston, rings, piston pin, cir clips, cylinder head, head gasket, and base gasket. When used in conjunction with a stock stroke of 41.4mm the total displacement comes out to 89.3cc!

When used with a 44mm stroker crank, total displacement measures 94.9cc which we have available too. Cylinder Sleeve Outer Diameter: 54.4mm. Total Piston Height: 36.3mm.

Compression Height (from center of wrist pin hole to top edge of piston): 20mm. Intake Port Diameter: 20.8mm. Exhaust Port Diameter: 18.7mm. Our policy lasts 30 days. To be eligible for a return, your item must be unused and in the same condition that you received it.

It must also be in the original packaging. The item "Scooter GY6 QMB139 50cc High Quality Naraku 52.4mm Big Bore Combo kit" is in sale since Friday, February 23, 2018. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Other Engines & Engine Parts". The seller is "unique_scooter_parts" and is located in Jacksonville, Florida.

This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, United arab emirates, Qatar, Kuwait, Croatia, Malaysia, Brazil, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Turks and caicos islands, Bangladesh, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Liechtenstein, Luxembourg, Monaco, Macao, Martinique, Nicaragua, Peru, Pakistan, Paraguay, Viet nam, Uruguay, South africa, Colombia, Antigua and barbuda, Saint lucia, Barbados, Bermuda, Cayman islands, Sri lanka, Maldives, Oman, Reunion.

1. Manufacturer Part Number: Does Not Apply
2. Country/Region of Manufacture: Taiwan
3. Brand: Naraku
4. Warranty: No