Both systems perform equally well when professionally done, so it really comes down to economics. You can expect a sleeved cylinder to give more life for the money. Re-plated cylinders are as close to original as you can get. So if your happy with your OEM plated cylinder you should have it re-plated. If not have it sleeved by a company that has the reputation, experience, and warrantees to protect your investment.


If you do it let us know how it turns out.



Here is a link to a company that claims they can recoat with nikasil or some type of "better" replacement coating:



Well, I called Kustom-Kraft. The technician said they only keep records by the owner's name. No VIN search available.



He also recommended checking the piston size for a possible big bore kit but said that most KDX jobs are a simple replating.

Yamaha Raptor 250r : The Most Aggressive ATV Motorcycle! By: Douglas Sherring

The new Yamaha Raptor 250R is indeed a powerful adventure machine. With 2-valve 4-stroke engine and 5-speed transmission, you can have the speed and power that you want. When riding the Yamaha Raptor 250R, you are in control with its hydraulic disc brakes both in front and rear brakes. It gives an aggressive and powerful raptor style which can make it to its maximum performance. Starting system is electric so you can go in a zip. Below are the Key Features of Yamaha Raptor 250r.




Key Features:

• Class-exclusive five-speed manual transmission has a gear for almost any terrain.

• Torquey, durable air-cooled engine puts out plenty of power and starts with the push of a button.

• Taillight has an incorporated brake light for added convenience.

• The Raptor 250R comes equipped with piggyback shocks, an LED taillight, and adjustable front brake lever.

• Aggressive Raptor style and stance gives maximum performance and excellent, all-day sport-riding ergonomics.

• Low-profile 19-inch rear tires boast outstanding traction and performance.

• Lightest weight in its class provides amazingly nimble handling and a great power-to-weight ratio.

• Easy-access grease fittings on all chassis lubrication points simplify maintenance and help extend the life of the Raptor 250.

• Bodywork comes off without the need to disassemble electrical parts, airbox or wiring harness—for easy maintenance.



• A 2.4-gallon fuel tank means less filling up and longer, more enjoyable rides.

• Waterproof electrical connectors provide outstanding durability and reliability.

• Longest suspension travel and lowest seat in its class for true sport handling.

• Dual 30-watt multireflector Krypton headlights add the perfect menacing appearance.
 
Related Websites:
Sprocket and Chain  http://sidewindersprockets.com/
Big Bore Kit  http://kustom-kraft.com/