2014 ATK GT650R Engine
Liqui Moly 20068 Motorbike 4T Synthetic 10W-50 Street Race Engine Oil 4 Liter
Liqui Moly 20056 Motorbike 4T 10W-40 Street Fully Synthetic Motor Oil 4 Liter
Liqui Moly 20076 Motorbike 4T Synthetic 5W-40 Street Race Engine Oil 4 Liter
Liqui Moly 20192 Motorbike 4T 10W-40 Mineral Motorcycle Oil 4 Liter
Liqui Moly 20082 Motorbike 4T 10W-40 Offroad Synthetic Motor Oil 1 Liter
Liqui Moly 20058 Motorbike 4T 15W-50 Street Synthetic Engine Oil 1 Liter
Liqui Moly 20054 Motorbike 4T 10W-40 Street Synthetic Motor Oil 1 Liter
The Heart of Your Ride: Motorcycle & ATV Engine Essentials
Every motorcycle and ATV is only as reliable as the engine powering it. Whether you're tearing through a motocross track, cruising down the highway on a touring bike, or exploring trails on an ATV, the components and fluids that keep your engine running are the foundation of performance, longevity, and safety. This category brings together the essential engine products every powersports rider needs — from high-performance lubricants to mechanical components like kick starters.
Why Engine Maintenance Matters
Motorcycle and ATV engines operate under demanding conditions — high RPMs, extreme heat cycles, vibration, and in many cases, shared oil systems that lubricate both the engine and the transmission simultaneously. Unlike automotive engines, powersports engines demand oils and components specifically engineered for these unique stresses. Using the wrong lubricant or neglecting worn engine components can accelerate wear, reduce power output, and ultimately lead to costly repairs. Understanding what goes into your engine — and why it matters — is the first step toward keeping your machine at its best.
Explore Engine Subcategories
Our Engine category covers two core areas that every rider should know about:
- 4-Cycle Motorcycle & ATV Oil — The lifeblood of your four-stroke engine, the right oil protects metal surfaces, dissipates heat, and keeps your clutch engaging cleanly. With options ranging from conventional to full synthetic, choosing the correct viscosity and formulation for your engine is critical for peak performance.
- Kick Starters — A reliable kick starter mechanism is essential for many off-road and vintage bikes, offering a dependable backup or primary starting method. Quality components ensure consistent, smooth engagement even in cold weather or after prolonged storage.
Top Engine Brands
The brands in this category have earned the trust of racers, mechanics, and everyday riders through decades of proven performance and innovation.
Royal Purple is widely recognized for its high-performance synthetic lubricants. Their motorcycle and ATV oils are formulated to provide exceptional wear protection and compatibility with wet-clutch systems, making them a top choice for riders who demand more from their engine oil.
Liqui Moly is a German-engineered brand with a strong global reputation for precision oil formulations. Their motorcycle oils are developed to meet exacting European standards and are a favorite among sport bike and adventure touring riders who prioritize engine cleanliness and longevity.
Klotz Lube has been a pioneer in synthetic lubricants since 1959. Klotz has been offering high-performance oils for motorcycles, snowmobiles, and other powersports vehicles, and their advanced formulas are known for providing superior engine protection, reduced friction, and enhanced performance in extreme conditions. Their TechniPlate line is especially popular with racers and high-RPM applications.
Motorex is a Swiss lubricant brand with deep roots in professional motorsport, including a long-standing partnership with KTM. Their motorcycle oils are engineered to precise tolerances and are often specified as factory-fill oils by major OEMs, reflecting a commitment to quality that street and off-road riders alike rely on.
Motul is a French lubricant manufacturer with over 160 years of history and a legacy tied closely to motorsport at the highest levels. Their extensive lineup of 4-stroke motorcycle oils — including the well-regarded 300V and 7100 series — covers everything from track-day superbikes to everyday commuters, offering a formulation for virtually every engine type and riding style.
Choosing the Right Engine Product
When shopping for engine oils or components, always cross-reference your owner's manual for the manufacturer's recommended viscosity grade and specification (such as JASO MA2 for wet-clutch motorcycles). Consider your riding conditions: aggressive track use or extreme temperatures may call for a full synthetic with a higher thermal stability rating. For mechanical components like kick starters, verify fitment compatibility with your specific make, model, and year before purchasing.