8 Proven Steps to CLEAN Your Motorcycle Engine Like a PRO

Published: 25.8.23

Updated: 27.8.24

Let's face it: Your motorcycle is more than just a mode of transportation.

It’s your pride and joy.

A symbol of freedom, adventure, and sometimes, let's be honest, your mid-life crisis.

But hey, no judgment here!

You've invested a lot in your bike, and now it’s time to invest some TLC into that engine that powers your two-wheel dreams.

If you've been wondering how to give your motorcycle engine the cleaning it so richly deserves, you've arrived at the right pit stop.

Why Cleaning Your Motorcycle Engine Matters

You wouldn't ignore a cough that’s been nagging you for weeks, would you?

Similarly, your motorcycle's engine health can't be ignored. Cleaning your engine isn’t just about vanity; it’s about performance.

Dirt, grease, and grime can affect how well your engine performs.

Over time, these elements can lead to wear and tear that could have been avoided with some preventive cleaning.

So, before you rev up that engine for a long weekend ride, let’s get into the nitty-gritty of engine cleaning.

Preparatory Steps Before Cleaning

Don't just dive in, folks. That's like trying to bake a cake without preheating the oven.

First things first, have a look at the manufacturer's manual for any specific dos and don'ts.

It's like a secret guidebook that offers cheat codes to your engine's quirks.

Before you start, gather these essential items:

• Microfiber cloths: For gentle, scratch-free cleaning and drying
• Soft-bristled brushes: To reach tight spaces without damaging surfaces
• Motorcycle-specific degreaser: Breaks down stubborn grime and oil
• All-purpose cleaner: For general cleaning of less greasy areas
• Chain cleaner and lubricant: To maintain your bike's drivetrain
• Pressure washer or garden hose: For initial rinsing (use with caution)
• Bucket: To mix cleaning solutions and hold water
• Protective gear: Gloves and safety glasses to protect yourself
• Air compressor or can of compressed air: For drying hard-to-reach areas
• Wax or polish: To protect and shine your bike's finish

Each item serves a specific purpose in the cleaning process.

The microfiber cloths and soft brushes ensure you can clean thoroughly without scratching your bike's surfaces.

The degreasers and cleaners are formulated to break down different types of dirt and grime commonly found on motorcycles.

Protective gear keeps you safe from chemicals and debris, while the air compressor helps dry areas where water might otherwise pool and cause corrosion.

Finally, wax or polish provides a protective layer that keeps your bike looking great between cleanings.

By gathering these items beforehand, you'll streamline your cleaning process and ensure you have everything needed to make your motorcycle engine shine like new.

1. Gather the Necessary Supplies

A good clean motor starts with having the right supplies.

Always make a checklist to ensure you're not missing any tools or cleaning agents.

Having the proper engine cleaning tips at your disposal will set the stage for a thorough job.

A comprehensive toolkit will include:

• Air compressor or canned compressed air.
• Soft bristle brush.
• Sponge.
• Bucket of warm soapy water.
• Motorcycle degreaser product.
• Microfiber cloths.

Collect these items before getting your hands dirty. Preparation is half the battle, right?

Recommended Cleaning Supplies for UK Motorcyclists

Feel free to download this list by clicking on the link - >>> Recommended Cleaning Supplies To Clean Your Motorbike Engine

2. Prepare the Engine

Rule number one: Never work on a hot engine unless you fancy the smell of singed skin in the morning.

Let the engine cool down completely before you even think about cleaning it.

This is also the time to cover those sensitive areas like the air intake or electrical components.

Treat them like your grandma's antique vase: handle with care.

Related: Understanding Motorcycle CC: What Does CC Mean

3. Remove Loose Debris

Imagine trying to paint over a wall without scraping off the old peeling paint.

Not pretty. Use compressed air to blow away loose dirt, ensuring you're not just adding a new layer of muck during the cleaning process.

4. Apply Degreaser

Enter the heavyweight champion of cleaning: the degreaser. Spray it generously but thoughtfully, targeting areas with a nasty buildup of grime and grease.

A degreaser is an essential part of your engine cleaning toolkit, designed specifically for engine degreasing.

Choosing the right grease remover can make the scrubbing process significantly more straightforward.

Let the chemical do its magic for a few minutes before moving to the next step.

Trust the process!

5. Scrub and Clean

This is where the elbow grease comes in. Use a soft bristle brush and get scrubbing.

Focus on those hard-to-reach areas; they're often the dirtiest. Think of it like brushing your teeth; you wouldn’t want to miss any spots, would you?

Remember, scrubbing is an integral part of bike maintenance.

A good scrub will not only clean but prepare your bike's motor for further maintenance tasks.

Be sure to wash and continue scrubbing until all grease and grime have been removed.

Related: 25 GAME-CHANGING Motorcycle Hacks You NEED to Know

6. Rinse Thoroughly

You wouldn’t step out of the shower without rinsing off the soap, right?

The same logic applies here. Use clean water to rinse off all the soap and degreaser.

Proper rinsing is often an overlooked but essential tip for cleaning.

Ensure all cleaning agents and loose debris are thoroughly rinsed off to prepare the engine cases for drying and polishing.

7. Dry and Polish

For this step, think of your engine as a wet dog that's just had a bath.

You want to get it as dry as possible to prevent water spots or, heaven forbid, rust.

Use microfiber cloths to dry it off and consider applying a polish to any chrome or metal surfaces.

Trust me, your engine will look so good you’ll want to take selfies with it.

8. Clean Engine Fins

If your engine has fins, now's the time to give them the VIP treatment.

A simple DIY solution of equal parts vinegar and water can work wonders. Spray, scrub, rinse, and marvel at your work.

Cleaning engine fins is the final touch in your motorcycle engine upkeep.

Vinegar works great here, but there are specific fin cleaners available as well, known to keep your motorcycle's engine fins in tip-top condition.

Maintenance Tips for a Cleaner Engine in the Long Run

Cleaning your engine is like going to the dentist. It’s not a one-time event; it’s part of ongoing maintenance.

Here are some quick tips:

• Check for leaks regularly; they’re a sign that dirt and grime can get in.
• Use quality fuel to avoid internal grime buildup.
• Consider a regular engine treatment product for long-term care.

Understanding Different Types of Engine Dirt

First off, let’s talk dirt. Motorcycle engines can host a range of dirt types, from loose dust and sand to more stubborn substances like grease and oil spills.

You might also encounter carbon deposits if you've been a bit slack with bike maintenance.

Knowing what you're up against will help you in engine cleaning.

For instance, a degreaser is excellent for grease and oil but is overkill for simple dirt.

So, assess your engine to save both time and effort.

Safety Considerations

Before you transform your motorcycle engine from grimy to glamorous, let's talk safety.

First, put on a pair of sturdy gloves to protect your skin from chemicals and grime.

Safety goggles are a good idea too; you don’t want any cleaning agents or loose debris getting into your eyes.

Ensure you're working in a well-ventilated area, especially when you're dealing with chemical degreasers.

And for heaven's sake, no smoking while engaging in engine cleaning.

Related: How Do You Clean Dirt Bike Goggles and Lenses? (STEP BY STEP)

Seasonal Maintenance Tips

Ah, the seasons. They don’t just affect your wardrobe but also your bike maintenance routine. In summers, you're likely to face overheating issues.

Ensure that the radiator and cooling systems are squeaky clean.

During winter, the cold can encourage rust; use a protectant after cleaning.

Spring’s wet weather may cause water-induced rust or mold.

In autumn, leaves can find their way into mechanical components.

Adapt your cleaning approach based on the season, and your bike's motor will thank you for it.

Related: How to Winterise Your Motorcycle

After-Care: What to Do After Cleaning

So you've gone through the ordeal and turned your engine from a trashy novel into a literary masterpiece.

What's next?

Motorcycle upkeep is as important as the cleaning itself. Consider applying a light coat of lubricant to mechanical components.

Keep an eye out for leaks; they're the first sign that something is awry.

And perhaps invest in a bike cover if you often park outdoors.

A good cover can protect against a lot of the dirt and grime that started the problem in the first place.

Top Engine Cleaning Products Reviewed

When it comes to keeping your motorcycle engine clean, choosing the right product is crucial.

Here's a review of some of the best engine cleaning products available in the UK market:

Common Mistakes to Avoid When Cleaning Your Motorcycle Engine

When cleaning your motorcycle engine, it's crucial to be aware of potential pitfalls that could damage your bike or compromise its performance.

Here are some common mistakes to avoid:

1. Using High-Pressure Water

   • Mistake: Blasting the engine with a pressure washer or high-pressure hose.
   • Consequences: Water can penetrate seals and damage electrical components, leading to short circuits or corrosion.
   • How to Avoid: Use a gentle stream of water or a spray bottle for controlled application.

2. Neglecting to Cover Sensitive Components

   • Mistake: Failing to protect electrical parts, air intakes, and exhaust outlets.
   • Consequences: Water ingress can cause electrical failures or hydrolock the engine.
   • How to Avoid: Use plastic bags or specialized covers to shield vulnerable areas before cleaning.

3. Cleaning a Hot Engine

   • Mistake: Applying cleaning products to a warm or hot engine.
   • Consequences: Rapid evaporation of cleaners can leave residues or cause etching on surfaces.
   • How to Avoid: Always clean the engine when it's cool to the touch.

4. Using Harsh Chemicals or Household Cleaners

   • Mistake: Applying non-automotive cleaners or harsh degreasers.
   • Consequences: Damage to paint, plastics, or rubber components.
   • How to Avoid: Stick to motorcycle-specific cleaners and degreasers designed for engine use.

5. Improper Rinsing

   • Mistake: Insufficient rinsing after applying cleaning products.
   • Consequences: Residual chemicals can attract dirt or cause corrosion over time.
   • How to Avoid: Thoroughly rinse all cleaned areas with clean water, ensuring no soap residue remains.

6. Ignoring the Manual

   • Mistake: Not consulting the manufacturer's guidelines for cleaning.
   • Consequences: Potential damage to specific components or voiding of warranty.
   • How to Avoid: Always refer to your motorcycle's manual for specific cleaning instructions and warnings.

7. Over-Lubricating After Cleaning

   • Mistake: Applying excessive lubricant to moving parts post-cleaning.
   • Consequences: Attracts dirt and can lead to premature wear or slipping.
   • How to Avoid: Use lubricants sparingly and wipe off any excess.

8. Neglecting to Dry Thoroughly

   • Mistake: Leaving the engine wet after cleaning.
   • Consequences: Water spots, potential rust formation, or electrical issues.
   • How to Avoid: Use microfiber cloths to dry all surfaces and consider using compressed air for hard-to-reach areas.

9. Cleaning Too Frequently

   • Mistake: Over-cleaning the engine, especially with harsh products.
   • Consequences: Premature wear of protective finishes and seals.
   • How to Avoid: Clean only when necessary, typically every few months or as recommended by the manufacturer.

10. Starting the Engine Immediately After Cleaning

    • Mistake: Running the engine before ensuring all components are dry.
    • Consequences: Potential short circuits or water being drawn into the engine.
    • How to Avoid: Allow ample time for the engine to dry completely before starting it.

By avoiding these common mistakes, you'll ensure a safe and effective cleaning process for your motorcycle engine.

Remember, the goal is to clean and protect your engine without compromising its integrity or performance.

Always prioritise caution and follow manufacturer guidelines for the best results.

Conclusion

Your bike's motor is the heart that keeps you gliding down the road, and it's high time it got some well-deserved pampering.

With these eight proven steps, you're not just sprucing up the appearance of your motorcycle engine; you're also boosting its performance.

The fundamentals are simple: arm yourself with a sponge, a soft bristle brush, and a bucket of warm soapy water.

Use the sponge for an initial wash of the engine surface, then get into those smaller gaps and cooling fins with the brush.

Now you're ready to rev that engine and hit the open road, not just as a biker but as the owner of an impeccably clean, well-functioning machine.

So, why wait?

Roll up those sleeves; your motorcycle engine deserves the best.

FAQs

Is it Necessary to Disassemble Parts of the Engine for Cleaning?

No, it's generally not recommended to disassemble your motorcycle engine solely for cleaning purposes. Engines develop a 'wear fit' over time, and taking them apart could disrupt this. Only consider disassembly if you're addressing a specific engine problem and even then, focus on cleaning heavy deposits.

Can I Use Household Cleaners for My Motorcycle Engine?

It's best to steer clear of household cleaners for your motorcycle engine. These products often contain harsh detergents or chemicals that can harm your bike's metal, paint, and plastic components. Additionally, make sure the engine and exhaust system are cool before beginning the cleaning process.

Is it Safe to Pressure Wash a Motorcycle Engine?

Using a high-pressure washer on a motorcycle engine is a delicate task that requires caution. While it's safe for wheels and bodywork, be extremely careful around the engine, particularly near electronic connectors and accessories like GPS. There is a correct and incorrect way to pressure wash engine blocks; doing it improperly can damage critical components. Always make sure to protect sensitive areas to avoid causing any harm.

How Do I Maintain the Cleanliness of My Motorcycle Engine?

After cleaning, consider applying a protectant or engine sealant that can repel dirt and water. Regular checks and quick clean-ups can also extend the periods between comprehensive cleanings.