Questions? Call or Text: (763) 213-9163 | Mon-Fri 8AM-6PM | | 📥 Download Pricing PDF
AMSOIL 10W-50 Synthetic Dirt Bike Oil DB50

AMSOIL 10W-50 Synthetic Dirt Bike Oil

Product Code: DB50

Premium 100% synthetic 4-stroke motorcycle oil formulated for extreme heat and high-performance riding. DB50 provides superior protection in hot climates, desert riding, and competitive motocross applications. Advanced synthetic formula delivers maximum wear protection and thermal stability under the most demanding conditions.

Benefits: Maximum high-temperature protection, reduced engine wear, smoother shifting, cooler engine operation, extended drain intervals, improved fuel efficiency, excellent shear stability, superior deposit control, ideal for hot climates.

Buy Now 📥 Download Pricing PDF 🏍️ Look Up Your Bike
← Back to All Products

Why Use AMSOIL 10W-50 in Your Dirt Bike

🔥 Extreme Heat Protection

DB50's higher viscosity provides superior film strength in extreme heat. Perfect for desert riding, summer motocross, and high-performance applications.

🏍️ Maximum Engine Protection

High-RPM dirt bike engines demand superior lubrication. AMSOIL's synthetic formula provides exceptional wear protection for cams, crankshaft, and transmission.

⚙️ Smoother Shifting

Advanced friction modifiers ensure smooth, positive shifting through all gears. No more notchy or hard shifts even under extreme conditions.

⏱️ Extended Drain Intervals

AMSOIL lasts 2-3x longer than conventional motorcycle oils. Change oil less frequently while maintaining superior protection.

💪 More Power

Reduced internal friction means more horsepower reaches the rear wheel. Feel the difference in acceleration and top-end pull.

💰 Better Long-Term Value

Extended drain intervals and superior engine protection mean lower maintenance costs and longer engine life.

Purchase Options

Best Value
💰

Preferred Customer

Wholesale pricing with 25% discount

  • ✓ 25% off retail pricing
  • ✓ Free shipping on orders $100+
  • ✓ No minimum order requirements
  • ✓ Auto-ship discounts available
  • ✓ 15% off first order
$15

/ 6 months

Learn More
🛒

Retail Purchase

Standard retail pricing

Standard retail pricing for one-time or occasional purchases. No registration or commitment required. Perfect for trying AMSOIL products or buying specific items as needed.

  • ✓ No registration required
  • ✓ Order anytime
Shop Now
🏢

Commercial Account

For fleets and businesses

Business purchase option for fleets and commercial operations. Ideal for construction companies, farms, government fleets, and equipment managers who need bulk pricing and dedicated support.

  • ✓ Volume pricing
  • ✓ Dedicated support
Learn More
🏪

Retail Store Account

Sell AMSOIL in your store

  • ✓ Stock products on your shelves
  • ✓ Retail markup pricing
  • ✓ Marketing materials provided
  • ✓ Ideal for powersports shops
Learn More
🤝

Dealership Option

Become an AMSOIL Dealer

  • ✓ Wholesale pricing
  • ✓ Earn commissions
$100

/ year

Learn More
💳

Secure Payment

We accept Visa, Mastercard, American Express, Discover and PayPal, and provide secure checkout and encrypted payment processing.

↩️

Easy Returns

We offer easy returns for customers. If your product is unused and unopened, you may return it within 30 days for a full refund of the purchase price.

View full AMSOIL Return Policy

Rider Testimonials

See what dirt bike riders are saying about AMSOIL 10W-50 Synthetic Oil.

"I ride in Arizona desert heat and DB50 is the only oil I trust. My KTM 450SX-F runs noticeably cooler even in 110-degree temps. Zero engine issues after two full seasons of hard desert riding."

— Carlos M., Desert Racer

"Switched from 10W-40 to DB50 for summer motocross season. The difference in engine temperature is real. My bike pulls harder in the top end and shifts smoother. Highly recommend for hot climate riding."

— Jake T., Motocross Racer

"Run enduro races in Texas heat. DB50 has never let me down. Extended drain intervals are a huge plus when you're racing weekends back-to-back. Engine protection is top notch."

— Ryan S., Enduro Rider

Frequently Asked Questions

Common questions about AMSOIL 10W-50 Synthetic Dirt Bike Oil.

When should I use 10W-50 instead of 10W-40?

DB50 is ideal for extreme heat, desert riding, summer motocross, and high-performance applications. If you ride in hot climates or push your bike hard, the extra viscosity provides better protection.

Will AMSOIL void my warranty?

No. AMSOIL meets or exceeds all major motorcycle manufacturer specifications. The Magnuson-Moss Warranty Act protects your right to use aftermarket oils that meet OEM specs.

Can I use DB50 in my street motorcycle?

Yes, DB50 works great in street bikes too, especially in hot climates. However, AMSOIL offers specific motorcycle oils for street use with different additive packages optimized for longer drain intervals.

What's the difference between DB40, DB50, and DB60?

DB40 (10W-40) is for normal to hot conditions. DB50 (10W-50) provides better protection in extreme heat. DB60 (10W-60) is for very hot climates or racing applications. Check your owner's manual for recommendations.

Does AMSOIL work with wet clutches?

Yes, AMSOIL dirt bike oils are specifically formulated for wet clutch compatibility. You'll get smooth clutch engagement without slipping or chatter.

Need help choosing the right oil for your bike?

Call or text us at (763) 213-9163 or use the AMSOIL product lookup tool. We'll help you find the exact oil for your make, model, and riding style.

Questions? We're Here to Help

Call or Text: (763) 213-9163

Email: amsoilsyntheticoilproducts@gmail.com

Independent AMSOIL Dealer | Mon-Fri 8AM-6PM

Fast Shipping | Secure Checkout

What Our Customers Say

Read real reviews from dirt bike riders who trust AMSOIL for their off-road motorcycles

⭐ Leave a Google Review Read All Testimonials