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David Hilgendorf

David Hilgendorf

AMSOIL Technical Writer and 20-year veteran of the motorcycle industry. Enjoys tearing things apart to figure out how they work. If it can’t be repaired, it’s not worth owning.

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Your Ultimate Oil Change

News

Your Ultimate Oil Change

Right product. Right package. Right to your door.

November 1, 2024

Turn More Heads with AMSOIL Car Care

News

Turn More Heads with AMSOIL Car Care

AMSOIL car-care products are engineered with advanced technology to deliver powerful cleaning action that helps vehicles shine brighter.

May 23, 2024

What AMSOIL Motor Oil is Right for You?

News

What AMSOIL Motor Oil is Right for You?

No matter what you drive or how you drive, AMSOIL provides specially formulated motor oil designed to protect your vehicle.

December 11, 2023

AMSOIL Sponsors Your Favorite Motorcycle Rallies

Events

AMSOIL Sponsors Your Favorite Motorcycle Rallies

January 14, 2025

How Exhaust Power Valves Improve Two-Stroke Performance.

How Exhaust Power Valves Improve Two-Stroke Performance.

Restore your lost engine power.

January 8, 2025

Be Prepared for Winter Driving

How To

Be Prepared for Winter Driving

Prepare your vehicle for hazardous roads before winter arrives.

December 4, 2024

AMSOIL Ultimate Callout Challenge

Diesel Events

AMSOIL Ultimate Callout Challenge

November 27, 2024

Boosted Protection for Riding in Harsh Western Environments

Boosted Protection for Riding in Harsh Western Environments

When driving in remote terrain, be sure to prep your ATV or UTV with additional protection and recovery equipment.

October 15, 2024

Premium Protection for Turbocharged UTVs

How To

Premium Protection for Turbocharged UTVs

September 18, 2024

Premium Protection for High-Performance Snowmobiles

How To

Premium Protection for High-Performance Snowmobiles

September 4, 2024

What is the Shelf Life of Motor Oil and Grease?

What is the Shelf Life of Motor Oil and Grease?

August 14, 2024

The Importance of Antioxidants in Marine Oil

How To

The Importance of Antioxidants in Marine Oil

July 23, 2024

4 Sturgis Motorcycle Rally Must-Ride Destinations

4 Sturgis Motorcycle Rally Must-Ride Destinations

The Black Hills and Badlands are two memorable Sturgis Motorcycle Rally destinations.

July 3, 2024

Keep Your Harley-Davidson Running Perfectly

Keep Your Harley-Davidson Running Perfectly

June 14, 2024

AMSOIL Motorcycle Oil is Engineered for Extremes

News

AMSOIL Motorcycle Oil is Engineered for Extremes

June 4, 2024

AMSOIL Marine Engine Oil is Engineered for Extremes

News

AMSOIL Marine Engine Oil is Engineered for Extremes

May 28, 2024

Upgraded Performance and Protection for Indian Motorcycles

Upgraded Performance and Protection for Indian Motorcycles

May 28, 2024

Fix Hard-Starting Two-Stroke Engines

How To

Fix Hard-Starting Two-Stroke Engines

May 24, 2024

Combat the Effects of Cold Temperatures

How To

Combat the Effects of Cold Temperatures

October 25, 2023

Top 5 Skid Steer Maintenance Tips

How To

Top 5 Skid Steer Maintenance Tips

September 29, 2023

Protect Your Firearms and Improve Their Reliability

How To

Protect Your Firearms and Improve Their Reliability

September 29, 2023

Oil Filtration Basics: Capacity, Efficiency, Flow and Durability

Oil Filtration Basics: Capacity, Efficiency, Flow and Durability

September 14, 2023

1,000 Horsepower Supercharged LS Engine Build

1,000 Horsepower Supercharged LS Engine Build

September 13, 2023

How To Protect Your Snowmobile Engine

How To Protect Your Snowmobile Engine

September 6, 2023

Scott Douglas Inducted into Off-Road Hall of Fame

News

Scott Douglas Inducted into Off-Road Hall of Fame

August 29, 2023

AMSOIL Metric Motorcycle Oil 8,000-Mile Torture Test

AMSOIL Metric Motorcycle Oil 8,000-Mile Torture Test

August 10, 2023

AMSOIL Hybrid Motor Oil Protects Hybrid Vehicle Engines

News

AMSOIL Hybrid Motor Oil Protects Hybrid Vehicle Engines

July 21, 2023

Understanding Engine Oil Specifications

How To

Understanding Engine Oil Specifications

July 18, 2023

Extreme Heat is Hard on Your Motorcycle

How To

Extreme Heat is Hard on Your Motorcycle

July 17, 2023

How To Protect Pneumatic / Air Tools

How To Protect Pneumatic / Air Tools

July 17, 2023

Neglected Equipment – Air Compressors

Neglected Equipment – Air Compressors

June 29, 2023

Awesome Uses and Simple Life Hacks for Metal Protector

How To

Awesome Uses and Simple Life Hacks for Metal Protector

June 28, 2023

AMSOIL-Sponsored Motorcycle Rallies

Events

AMSOIL-Sponsored Motorcycle Rallies

June 27, 2023

Should I Use Racing Oil in My Daily Driver?

Should I Use Racing Oil in My Daily Driver?

June 20, 2023

DOMINATOR® Synthetic Racing Oil Wins Races

Team AMSOIL

DOMINATOR® Synthetic Racing Oil Wins Races

June 20, 2023

How To Maintain Your Personal Watercraft

How To

How To Maintain Your Personal Watercraft

June 8, 2023

AMSOIL Synthetic Motorcycle Oil vs. Harley-Davidson SYN3

AMSOIL Synthetic Motorcycle Oil vs. Harley-Davidson SYN3

June 6, 2023

How Does AMSOIL Stack Up?

How To

How Does AMSOIL Stack Up?

May 24, 2023

What is a CVT / Continuously Variable Transmission?

How To

What is a CVT / Continuously Variable Transmission?

May 23, 2023

Tech Tips: Maintaining Wheel Bearings

How To

Tech Tips: Maintaining Wheel Bearings

May 22, 2023

How To Fix Motorcycle Engine Knocking

How To

How To Fix Motorcycle Engine Knocking

Your bike can automatically detune its engine, but there's an easy fix.

May 10, 2023

<strong>Top 5 Things Affecting Outboard Performance</strong>

How To

Top 5 Things Affecting Outboard Performance

May 10, 2023

Save Time With ATV/UTV Oil Change Kits

Save Time With ATV/UTV Oil Change Kits

Everything needed for your ATV or UTV oil change, in one box.

May 2, 2023

How to Perform Oil Analysis

How To

How to Perform Oil Analysis

Oil analysis provides a look inside your engine to gauge oil and component condition.

April 25, 2023

Reduce Maintenance with Synthetic Hydraulic Oil

How To

Reduce Maintenance with Synthetic Hydraulic Oil

Increase equipment uptime with cleaner and more stable synthetic hydraulic oil.

April 24, 2023

Service Marine Lower Units to Prevent Water Damage

How To

Service Marine Lower Units to Prevent Water Damage

Preventing rust and other water-related problems in marine lower units.

April 24, 2023

Understanding Fluid Lubrication and Protection

Ask AMSOIL

Understanding Fluid Lubrication and Protection

Different methods of lubrication protect machines from wear.

April 11, 2023

Which Automatic Transmission Fluid Do I Need?

How To

Which Automatic Transmission Fluid Do I Need?

April 10, 2023

Zero-Turn Mower Maintenance Best Practices

How To

Small Engines

Zero-Turn Mower Maintenance Best Practices

March 29, 2023

Recreational ATV and UTV Riding Tips

How To

Recreational ATV and UTV Riding Tips

March 29, 2023

Why Do European Cars Require Special Oil?

How To

Why Do European Cars Require Special Oil?

March 28, 2023

SABER® Professional Cuts Costs

How To

SABER® Professional Cuts Costs

February 28, 2023

Snow Bikes Destroy Most Motor Oils

How To

Snow Bikes Destroy Most Motor Oils

February 27, 2023

AMSOIL vs. Mobil 1* Performance

How To

AMSOIL vs. Mobil 1* Performance

AMSOIL Signature Series and Mobil 1 are two of the best motor oils, but is one better?

February 15, 2023

The Difference Between Motorcycle and ATV/UTV Oil

The Difference Between Motorcycle and ATV/UTV Oil

Different powersports vehicle usage creates various challenges for motor oil.

February 14, 2023

5 Expert Chainsaw Maintenance Tips

How To

5 Expert Chainsaw Maintenance Tips

Chainsaw maintenance keeps your saws running strong and cutting efficiently.

February 13, 2023

What Kind of Grease Do I Need?

What Kind of Grease Do I Need?

Eliminate the confusion in selecting the right grease.

January 31, 2023

Prepare Your Bike for Summer Riding

News

Prepare Your Bike for Summer Riding

January 31, 2023

Understanding Oil Viscosity

How To

Understanding Oil Viscosity

Viscosity is the measure of a fluid's resistance to flow.

January 17, 2023

A Closer Look at Grease

How To

A Closer Look at Grease

January 16, 2023

The Difference Between Horsepower and Torque

How To

The Difference Between Horsepower and Torque

January 12, 2023

Make Your Vehicle More Environmentally Friendly

AMSOIL HQ

Make Your Vehicle More Environmentally Friendly

AMSOIL products are better for the environment.

December 29, 2022

The Importance of Dirt Bike Maintenance

How To

The Importance of Dirt Bike Maintenance

December 27, 2022

How to Prevent Diesel Fuel Gelling

How To

How to Prevent Diesel Fuel Gelling

Learn how to keep frozen diesel fuel from leaving you stranded.

December 23, 2022

Agricultural and Off-Road Equipment Grease

How To

Agricultural and Off-Road Equipment Grease

December 13, 2022

Superior Diesel Cold-Temperature Protection

Superior Diesel Cold-Temperature Protection

December 1, 2022

Changing Snowmobile Chaincase Oil

How To

Changing Snowmobile Chaincase Oil

Changing snowmobile chaincase oil is easy.

November 30, 2022

Scheuring Speed Sports

Team AMSOIL

Scheuring Speed Sports

A legacy of racing success.

November 30, 2022

Classic Car and Truck Maintenance Tips

How To

Classic Car and Truck Maintenance Tips

November 21, 2022

Antifreeze & Coolant Protects Your Engine

Antifreeze & Coolant Protects Your Engine

November 18, 2022

What To Do When Your Snowblower Won’t Start?

How To

What To Do When Your Snowblower Won’t Start?

A snowblower that won't start is usually a fuel problem.

October 26, 2022

How Often Should I Change Differential Fluid?

How To

How Often Should I Change Differential Fluid?

Fluid change intervals depend on your vehicle, driving conditions and gear oil quality.

October 26, 2022

The Grizzly Lodge in British Columbia Relies on AMSOIL

Videos

The Grizzly Lodge in British Columbia Relies on AMSOIL

October 24, 2022

Your Manufacturer’s Warranty is Secure

Your Manufacturer’s Warranty is Secure

AMSOIL lubricants maintain your factory vehicle and equipment warranties.

October 24, 2022

Long-Term Vehicle Storage Tips

How To

Long-Term Vehicle Storage Tips

Ensure your vehicle is ready to roll when you take it out of storage.

October 14, 2022

One Solution for Different Two-Stroke Mix Ratios?

How To

One Solution for Different Two-Stroke Mix Ratios?

Different equipment manufacturers recommend different two-stroke oil mix ratios.

October 13, 2022

Cold Storage Recommendations for AMSOIL Products

How To

Cold Storage Recommendations for AMSOIL Products

Cold-temperature storage can be detrimental to fluid performance.

October 4, 2022

Is Becoming an Independent AMSOIL Dealer Worth It?

Is Becoming an Independent AMSOIL Dealer Worth It?

Becoming an Independent AMSOIL Dealer is a great way to make extra money.

October 3, 2022

How to Change Motorcycle Oil in 9 Simple Steps

How To

How to Change Motorcycle Oil in 9 Simple Steps

Step-by-step directions to walk you through the oil change process.

September 20, 2022

The 5 Approaches to Vehicle Maintenance

How To

The 5 Approaches to Vehicle Maintenance

September 16, 2022

How to Recover a Vehicle After Flood Damage

How To

How to Recover a Vehicle After Flood Damage

September 15, 2022

The Best Performing ATV & UTV Oil?

The Best Performing ATV & UTV Oil?

September 14, 2022

How Does a Turbocharger or Supercharger Work?

How Does a Turbocharger or Supercharger Work?

September 12, 2022

Does Synthetic Oil Cause Leaks?

Ask AMSOIL

Does Synthetic Oil Cause Leaks?

August 29, 2022

Two-Stroke vs. Four-Stroke Differences?

How To

Two-Stroke vs. Four-Stroke Differences?

Two-stroke and four-stroke engines each have pros and cons.

August 24, 2022

Why is My Engine Overheating?

Why is My Engine Overheating?

If your car or truck is overheating, pull over and let it cool before checking the coolant.

August 23, 2022

What Motor Oil is Right for Your Boat or Personal Watercraft Engine?

How To

Marine

What Motor Oil is Right for Your Boat or Personal Watercraft Engine?

Dedicated marine motor oil is vital to marine engine protection.

August 18, 2022

Upgrade to AMSOIL Laconia Motorcycle Week

Events

Upgrade to AMSOIL Laconia Motorcycle Week

AMSOIL is the Official Oil of Laconia Motorcycle Week.

April 3, 2022

What Does Oil Viscosity Mean

Oil viscosity is the measure of its resistance to flow. How quickly or slowly motor oil flows affects how well it protects your engine.

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