Everything you need to service your Harley-Davidson on your own. In this category, you’ll find complete DIY maintenance kits, including engine oil, transmission oil, primary oil, and high-quality oil filters, designed specifically for Harley-Davidson models. Whether you're doing a routine oil change or preparing for a long ride, these kits ensure your bike stays in peak condition without visiting the shop.
Active filters
MoS2-based additive that reduces engine wear by up to 50%, smooths running and lowers oil and fuel consumption.
High-pressure chaincase lubricant that improves clutch cooling, prevents slipping and chatter, and extends primary chain life. Distinctive red color for leak detection. Suitable for all Big Twin primaries.
Reliable ignition with trivalent plating, alumina silicate insulator, triple seals, corrugated ribs and a copper core for improved heat management.
Add to warm oil before an oil change and idle for about 10 minutes, then change the oil and filter. Compatible with wet-clutch motorcycles and catalytic converters; restores original engine performance.
Fuel system cleaner for motorcycles. Fully compatible with all gasoline grades. 80 ml treats 5–10 L. Add to the fuel tank each time you refuel to normalize consumption, reduce emissions and remove deposits.
Removes fuel-system deposits, reduces fuel consumption, protects against corrosion and prevents carburetor icing. Improves engine reliability and performance.
Distinctive black ceramic body with red logo; 95% alumina insulator resists heat shock. Multi-rib design prevents flashover. Nickel-plated housing and copper core electrode for corrosion resistance and reliable conductivity.
Premium 4T engine oil formulated with mineral base oils and a superior additive package. Provides excellent anti-wear protection, corrosion resistance, reduced evaporation loss, and reliable wet clutch performance. Ideal for motocross and dual-sport riders with recommended change intervals of 2–4 hours (mx) or 2,500–3,000 miles (dual sport).
Replacement cap and plug for Tuff Jug container. Pre-drilled with 3/4" NPT thread and plug. Remove the plug to install a flexible fast-flow spout (sold separately). Not legal for sale or use in California.
Premium mineral 4T engine oil with a superior additive package for excellent anti-wear protection, corrosion resistance, reduced evaporation and reliable wet clutch performance.
Black ceramic body with bold red logo, 95% pure alumina insulator, multi‑rib design to prevent flashover, nickel‑plated housing and copper core electrode for long life.
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