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KTM 105 SX Engines & Components

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Results 1 - 15 of 15

Vertex Replica Stroker Piston Kits

Vertex Replica stroker piston kits match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption. They have an 18 percent silicon content which decreases wear and thermal expansion, allowing for tighter running tolerances for more power, less noise, and longer lifespan. A high-tech Molybdenum Disulphide (MOS2) skirt coating is added for reduced wear and improved break-in. All piston kits include piston, rings, wrist pin, and circlips.

Not Yet Reviewed

$155.76

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 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

Vertex Race Piston Kits

Vertex Race piston kits consist of piston, rings, wrist pin, and circlips. These pistons are made from the highest quality 2618 aluminum alloy and are perfectly suited to handle the rigors and high pressures of today's modern four-stroke engines. Plus, to aid in the break-in process and reduce wear, every Vertex piston utilizes a unique Molybdenum Disulphide (MOS2) coating on the piston skirt. What truly sets Vertex pistons apart from the competition are the unique piston profiles and compression ratios that are offered in A, B, C, and D sizes. This variation in sizing allows the piston to be perfectly sized to the cylinder for maximizing power and performance, while reducing blow-by and oil consumption. Order the piston kit designed to fit your application needs.

Not Yet Reviewed

$162.40

Vertex Complete Engine Rebuild Kits

Manufactured in Italy, Vertex pistons, both cast and forged, are the premier choice and highest quality aftermarket replacement and performance pistons for dirt bikes, ATVs, and UTVs. Vertex also leads the way in manufacturing high performance gaskets for dirt bikes, ATV, UTV, snowmobiles, and PWCs. Conveniently, Vertex offers a huge number of complete engine rebuild kits, each of which will save you time and money over trying to match up the correct components and buying them separately. Oversized pistons are available in some kits. Choose a kit designed for your powersports vehicle. Kits include: * Crankshaft * Piston kit * Complete engine gasket kit * Oil seal kit * Main bearing and seal kit * Water pump rebuild kit * Transmission bearing kit * Countershaft bushing/seal kit * Camshaft chain where applicable * Counter balancer bearing kit where applicable * Wrist pin bearing where applicable

5.0 out of 5 stars ( 1 )

$652.76

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 )

$181.76

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

$120.33

$143.06

All Balls Racing Countershaft Seal Kits

Performance and reliability start with All Balls Racing. Their countershaft seal kits package a case hardened bushing and a replacement outer seal with any O-rings, snap rings, or lock washers required for your application. Whether your off-road ride has two wheels or four, All Balls Racing has a countershaft seal kit for you.

Not Yet Reviewed

$23.95

Pro-X Racing Parts Piston Pin Bearings

Pro-X Racing Parts offers a complete line of piston pin bearings for the dirt bike, ATV, PWC, and 50cc/scooter segment. The pistons pin bearings are manufactured by the leading Japanese OEM factories, and all piston pin bearings are designed and developed to OEM specifications as direct-fit, cost-effective replacements. Choose the Pro-X piston pin bearings designed for your powersports machine.

Not Yet Reviewed

$13.99

Vertex Race Evolution Stroker Piston Kits

Vertex Race Evolution stroker piston kits are Motocross and Enduro racing team tested and proven. They are built specifically for racing applications with a special racing profile, reduced top ring land, nitride 0.8mm steel ring, and an exclusive MoS2 coating featuring specific pockets to facilitate cylinder/piston smoothness. Kits include dome-top piston, single compression ring, wrist pin and circlips. Vertex Race Evolution stroker piston kits must be used with a stroker crankshaft.

Not Yet Reviewed

$151.00

Pro-X Racing Parts Countershaft Seal Kits

While changing the front sprocket on your off-road motorcycle, it's always recommended to inspect the countershaft oil seal that's right behind the sprocket. Positioned on the high loaded countershaft and always in contact with dirt and water, the oil seal can easily start leaking. Pro-X Racing has developed a wide range of countershaft seal kits—an easy and complete replacement, offering all the needed components. These upgrade kits also result in improved durability against the OEM parts. Order the seal kits designed for your application. Complete packages include: * Upgraded oil seal * Hardened steel bushing * O-rings, snap ring, or lock washer (where applicable)

Not Yet Reviewed

$17.99

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

$17.99

$21.99

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.

3.5 out of 5 stars ( 2 )

$20.99

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 )

$143.97

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

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