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1999 KAWASAKI KX250 Engines & Components

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Results 1 - 21 of 21

Wiseco Piston Retaining Clips

Wiseco piston retaining clips are important hardware components for a wide variety of powersports equipment, including ATVs, UTVs, street and off-road bikes, snowmobiles, and personal watercraft. The steel circular wrist pins are designed to permit rotation within the piston, but prevent lateral movement. They're available in a variety of diameters and thicknesses to fit your specific application.

5.0 out of 5 stars ( 5 )

$2.99

Wiseco Main Bearings

Wiseco main bearings are manufactured and engineered to the highest quality standards. These bearings are case-hardened to provide maximum life and smooth operation at high rpm. Wiseco main bearings are an excellent choice for bottom-end performance.

Not Yet Reviewed

$48.99

Wiseco Powersports Wrist Pin Bearings

Wiseco offers these high-quality wrist pin bearings for a wide variety of applications. Wiseco wrist pin bearings are manufactured to the highest quality standards and are case-hardened for maximum life and smooth operation at high rpm. Trust Wiseco for top-of-the-line wrist pin bearings for your powersports vehicle!

4.25 out of 5 stars ( 4 )

$21.99

Clearance

Namura Technologies Top-End Repair Kits

Top-end rebuilds can help to improve the performance of your ride, and Namura Technologies top-end repair kits will keep your ATV, UTV, or off-road motorcycle running in peak condition! They include everything you need: pistons, top-end gasket kit, and wrist pin bearings (where applicable) in one convenient, time-saving package. Namura kits are available for a wide variety of makes and models, with specific bore and compression ratio parts to service your specific vehicle. Choose to do your rebuild with repair kits from Namura Technologies—the people who make pistons with attitude!

5.0 out of 5 stars ( 2 )

$109.99


$69.50

$109.99

Hot Rods Connecting Rods

Hot Rods connecting rods are premium-quality replacements offered to you at an extremely affordable price. All of their rods are created from 8620 case hardened steel. But, in addition to that, they undergo a special forging process which helps to improve grain flow as well as dimensional consistency--and that means a rod of uncompromising strength. These connecting rods are built tough and tested to ensure maximum strength and durability. Don't be left behind because of a broken bike--keep your machines running in top-notch condition with these Hot Rods connecting rods!

4.0 out of 5 stars ( 1 )

$140.56

Hot Rods Crankshaft Bearing and Seal Kits

Hot Rods crankshaft bearings and seal kits are the ideal alternatives to expensive OEM bearings and seals. These precision, high-quality crank bearing and seal kits complement Hot Rods' crankshaft assemblies. Hot Rods offers two crankshaft bearings and two seals to complete your installation.

Not Yet Reviewed

$104.45

Vertex Top-End Piston Kits

Vertex top-end piston kits are OEM-style replacements. These kits include everything needed to rebuild a top-end for the specific application selected. When applicable, the wrist pin bearing included is DLC-coated for added longevity. All piston skirts are coated with a high-tech molybdenum disulphide coating for faster break-in and increased piston life along with a T-5 hardening cycle. Rebuild your top-end without worries with Vertex top-end piston kits.

4.67 out of 5 stars ( 3 )

$242.06

Pro-X Racing Parts Piston Clips

Pro-X Racing Parts offer a wide range of clips for many piston diameters in different styles compatible with Pro-X or OEM pistons. Piston clips are not just a circled wire, they are much more, as they avoid the pin to move in the piston bosses. Do not underestimate the forces on the pin during operation. Pro-X piston circlips are top-quality, direct replacement circlips, exceeding OEM specifications and tolerances. Shop for Pro-X pistons, clutch plates, pistons and other powersport racing parts that will get you to the finish line faster. Order the Pro-X piston clips designed to fit your application needs.

Not Yet Reviewed

$2.99

Wiseco 2-Stroke Piston Rings

Wiseco 2-stroke piston rings improve the overall function of your pistons and powerplant to maximize performance and keep you firing on all cylinders. Manufactured to optimize piston lubrication and reduce friction, ensuring longer performance from the heart of your engine, these rings are crafted from various metals and with specific finishes for both street and track. The 2-stroke rings are intended for use in cast iron, NikaSil, boron composite, and electrofusion bores; certain rings are designed for limited coatings, such as CSM and CDM model rings with chrome bores. Just match up the specs from your motorcycle with the size and type piston ring replacements you need. You can always depend on race-proven technology from Wiseco!

3.33 out of 5 stars ( 6 )

$21.99

$44.99

Clearance

Boyesen Factory Racing Ignition Covers

Add style and a factory look to your bike with Boyesen Factory ignition covers. These covers are strong, lightweight, and durable, providing years of outstanding protection. Features include: * Asbestos-free gasket is bound with nitrile for a tight, leak-free seal * Individually formed mounting surface to ensure a perfect fit * Investment cast aluminum, which provides excellent heat dissipation and will not warp like stock clutch covers * Super-tough powdercoated finish resists weathering and wear and tear

5.0 out of 5 stars ( 3 )

$93.99

Wiseco Powersports Pro-Lite Piston Kits

Wiseco powersports piston kits include your rings, piston pin, and circlips. These 2-stroke kits feature Pro-Lite pistons that are CNC-machined for optimal cam shape and profile, horsepower, and service life. Wiseco has a decade of experience producing quality pistons for dirt bikes, ATVs, snowmobiles, outboard marine engines, and motorcycles. Their piston kits offer strong, lightweight pistons with optimized designs to improve engine efficiency and maximize your torque and throttle response. Plus, Wiseco powersports piston kits are produced right here in the USA. It's time to blaze your own trail with Wiseco powersports piston kits.

4.13 out of 5 stars ( 8 )

$179.99

$250.97

Wiseco Powersports Piston Wrist Pins

Choose Wiseco for your powersports piston wrist pins. They carry a variety of pins to suit most any applications in either chromed or un-chromed, straight or tapered styles, with no finish or their Superfinish. Wiseco powersports wrist pins are strong, lightweight, and can be used with OEM pistons.

4.0 out of 5 stars ( 3 )

$20.99

Wiseco Crank Pin Bearings

These Wiseco crank pin bearings feature the latest caged needle roller bearing design for maximum durability. They are available for either the crank or rod end of the connecting rod. The bearings are manufactured from the highest quality hot rolled steel that's case-hardened to 58-62 RC to extend the life of the assembly. The Wiseco crank pin bearings' unique design provides the best possible performance and highest possible rpm.

Not Yet Reviewed

$26.99

All Balls Racing Crankshaft Bearings and Seal Kits

These All Balls Racing crankshaft bearing and seal kits contain right side and left side crankshaft bearings and seals, depending on your application. These crankshaft bearings feature Koyo and Nachi bearings (precision Japanese crank bearings). All Balls Racing crankshaft seals are designed with a carbon/fluorocarbon sealing lip to reduce "dry start" friction and crank pin wear. All Balls Racing crankshaft bearings and seal kits include all of the parts needed to do the job right!

5.0 out of 5 stars ( 1 )

$81.35

Hot Rods Output Shaft Kits

Hot Rods output shaft kits feature a unique combination of innovative engineering and quality manufacturing. They are a quick solution to repairing a leaking output shaft seal in one complete kit. These kits include Hot Rods output shaft seal, output shaft bushing, o-rings, and a sprocket nut washer where applicable. Ride hard and be safe with quality parts from Hot Rods.

Not Yet Reviewed

$33.21

Hot Rods Crankshafts

Are you looking to replace a broken or worn-out crankshaft? Hot Rods crankshafts are sold with or without Hot Rods connecting rods and wrist pin bearings. These crankshafts are factory assembled and trued to OEM specifications. They avoid the additional machine work and extra parts typically required for long-stroke engines. Stroker crankshafts use stock pistons. Heavy-duty crankshafts utilize their heavy-duty connecting rods. Bolt in and go with these Hot Rods crankshafts!

Not Yet Reviewed

$442.66

Namura Technologies Piston Rings

These piston rings from Namura Technologies offer a steel top ring that has been gas nitrided. Plus, a second ring that is cast iron acts as a wiper and pushes the oil away from the combustion chamber. Some kits will also include an oil ring made of nitride coated stainless steel. These top-quality Namura Technologies piston rings will help to increase engine performance and are designed for years of durable use.

Not Yet Reviewed

$15.99

Vertex Replica Piston Kits

Quality you can see, power you can feel—Vertex Replica piston kits are choice replacements for precision performance. Available in 2- and 4-stroke, the Replica piston kits feature both cast and forged manufacturing processes, supplying the highest quality to meet your needs. And, Vertex offers A, B, C, and D sizes, so you can choose the proper fit for your cylinder. The difference in the sizes is 0.01mm (0.0004 in.) increments, with A being the smallest and D the biggest. Vertex Replica piston kit notes: * 2-stroke piston kits are gravity cast aluminum alloy with 18 percent silicone content, which produces an extremely light but very strong piston * 4-stroke pistons are forged from 2618 or 3032 alloys for superior strength and durability * All pistons are heat-treated with a T-5 hardening and tempering cycle * All piston skirts are treated with a high-tech molybdenum disulfide (MOS2) coating for faster break-in time and increased piston life * Standard pistons and rings are OEM replacements * Kits include piston, rings, wrist pin, and circlips

Not Yet Reviewed

$197.06

Pro-X Racing Parts Thrust Washers

Pro-X Racing Parts offers crankshaft thrust washers for a wide range of powersports applications, including many Honda, Kawasaki, Yahama, Gas Gas, Husqvarna, KTM, and Suzuki models. These OEM-style replacement washers increase oil retention and reduce friction between rod, washer, and crank web. They're offered in copper or silver material, as well as a variety of widths, inside and outside diameters. Washers are an important engine component which should always be replaced when you re-press your crank. Order the model recommended for your ride.

Not Yet Reviewed

$7.99

Pro-X Racing Parts Wheel Bearings

Maintain your wheel centers with wheel bearings offered by Pro-X. Between riding and bike washing, wheel bearings take serious use and abuse. Pro-X wheel bearings are made to exact OEM specifications, to ensure maximum quality and performance. The Pro-X wheel bearings are offered as single or as set, and are a perfect match for your wheels, just the way you want it!

Not Yet Reviewed

$21.99

Pro-X Racing Parts Piston Kits

Pro-X Racing Parts piston kits furnish the pistons, rings, wrist pins, and circlip retainers to perform a relatively easy rebuild. Available for 2-stroke and 4-stroke models, these industry-leading pistons are CNC-machined for precision in either a cast or forged aluminum alloy--perfect for low friction and low expansion. Sleeved cylinder versions are made in both standard and oversized parts, while plated cylinder kits can be ordered in standard and A, B, C, and D oversizes. Pro-X Racing Parts piston kits are produced in a variety of OEM bore measurements for powersports equipment from makers like Yamaha, Kawasaki, KTM, Honda®, Husaberg, and Husqvarna. Ensure the best ride every time--replace or rebuild your pistons before they fail and cause more expensive problems.

Not Yet Reviewed

$125.99

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