Also, this crank was made specifically for the newer engines and thus, you will not have any fitment issues like trimming the piston skirts in order to clear the crank or the piston not lining up with the cylinder deck. The kit includes the following parts. 51mm Crankshaft with NTN bearings - NEW Race Head Larger valves (25mm intake & 22mm exhaust) and better flow for increased performance. Also has bigger cooling fins.
Includes all necessary parts and comes assembled! - High performance race camshaft - Lightweight 54mm aluminum cylinder with steel sleeve, cast in mounts for skid plates, and larger cooling fins. High compression piston with rings, pin, & clips - Crankcase and clutch cover gaskets - Head gasket kit - NEW Genuine Mikuni VM26mm Performance Carb - Intake Kit for the Race head - Jet kit with 3 different sizes (Stock size is a #195 - Extra jets sizes of 155, 165 & 175) - Throttle Cable - NEW Dual Layered Foam Air Filter. NOTE; As with all 117cc kits on the market, installation requires engine disassembly and case boring. Therefore, we highly recommend a professional technician install this kit and the cases bored by a reputable machine shop.
If you plan on installing the kit yourself, you will need to have a Clymer or Honda shop manual. Instructions do not come with the kits but the installation of the crankshaft is just like installing a stock Honda crankshaft and both manuals cover this. The item "HONDA CRF50 XR50 117CC BIG BORE STROKER CRANKSHAFT CARB HEAD KIT Z50 CRF XR 50" is in sale since Saturday, September 5, 2015.This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Other Motorcycle Parts". The seller is "hondaproducts" and is located in Beaverton, Oregon. This item can be shipped to United States, Canada, 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, Singapore, Switzerland, Norway, Saudi arabia, United arab emirates, Qatar, Kuwait, Croatia, Malaysia, Brazil, Bangladesh, Bermuda, Brunei darussalam, Ecuador, Egypt, Gibraltar, Guadeloupe, Iceland, Jordan, Cambodia, Luxembourg, Macao, Maldives, Nicaragua, Pakistan, Paraguay, Reunion, Viet nam, Uruguay, Bolivia, French guiana, Guernsey, Jersey, Liechtenstein, Monaco, Martinique, Peru.