Big Bore Kit

Honda CRF XR 50 70 Pit Bike 108cc Big Bore Stroker Kit 2 Race Head 52mm Piston


Honda CRF XR 50 70 Pit Bike 108cc Big Bore Stroker Kit 2 Race Head 52mm Piston

Honda CRF XR 50 70 Pit Bike 108cc Big Bore Stroker Kit 2 Race Head 52mm Piston    Honda CRF XR 50 70 Pit Bike 108cc Big Bore Stroker Kit 2 Race Head 52mm Piston

New 108cc Stroker Kit #2 - 88+ Honda 50 70 Pit Bikes Fully assembled race head - 50 Caliber Racing. 50 Caliber Racing 108cc Stroker Kit #2 for Honda CRF50, XR50, CRF70, XR70 pit bikes. This is hands down the biggest and baddest big bore kit we offfer for your Honda 50cc and 70cc pit bike. Complete with 51mm stroker crank and 52mm piston & cylinder, this kit will increase total displacement to 108cc. This kit includes everything in our Stage 2 Race Head kit, plus a 51mm stroker crank which will add up to additional 2 horsepower over a standard 88cc race head kit.

All the components are made specifically for 1988 and newer engines so there will be no fitment issues and boring of the case will not be necessary. A genuine Honda engine upgraded with this kit will stomp any of the Chinese Honda clones up to 125cc.

Kit includes: - 51mm Crankshaft - High compression piston with rings, pin, & clips (Runs on pump gas 91 octane) - Fully assembled Race Head: Larger valves and porting for increased performance. Also has bigger cooling fins - Lightweight aluminum cylinder with steel sleeve, cast in mounts for skid plates, and larger cooling fins - High performance race camshaft - 24mm Carburetor kit with intake, air filter, and throttle cable - Crankcase and clutch cover gaskets - Head gasket kit We recommend the following items be installed along with this kit. They are not included: - High volume oil pump - Oil Cooler - Performance Cdi Rev box Fits the following Honda motorcycles: XR50 (1988-up) CRF50 (1988-up) XR70 (1988-up) CRF70 (1988-up) Please note: -Installation requires the engine case to be split. You will need a Honda manual and proper tools to complete install.

We highly recommend having a professional shop install this kit as it does not come with installation instructions and is very technical. This is a complete stock to 108cc conversion kit and includes a 52mm race head big bore kit. 50 Caliber Racing 108cc Stroker Kit #2. Complete upgrade from stock to 108cc Race Head.

Race head, camshaft, and 52mm piston. More power than 125cc Chinese pitbikes. We are unable to guarantee a specific carrier. About us: We are a family business based in Las Vegas, NV.

We have been dedicated to providing the best products and service for over 15 years. We love to make our customers happy. We will do everything we can to make sure you are satisfied.

The item "Honda CRF XR 50 70 Pit Bike 108cc Big Bore Stroker Kit 2 Race Head 52mm Piston" is in sale since Tuesday, June 23, 2020. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Big Bore & Top End Kits".

The seller is "desertscooters" and is located in North Las Vegas, Nevada. 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, South africa, 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, Colombia, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Montserrat, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Viet nam, Uruguay.

  1. Total displacement: 108cc
  2. Manufacturer Part Number: 4448A3
  3. Brand: 50 Caliber Racing
  4. Piston Size:: 52mm
  5. Stroke:: 51mm


Honda CRF XR 50 70 Pit Bike 108cc Big Bore Stroker Kit 2 Race Head 52mm Piston    Honda CRF XR 50 70 Pit Bike 108cc Big Bore Stroker Kit 2 Race Head 52mm Piston