06/06/2021
Essential Tools for Your Harley Davidson Motorcycle
Owning a Harley Davidson is more than just riding; it's a lifestyle. And like any beloved machine, your hog will require regular maintenance and the occasional repair. While you could always rely on your local dealership or independent mechanic, there's a unique satisfaction, and often a significant cost saving, in being able to tackle some of these tasks yourself. To do so effectively and safely, you'll need the right set of tools specifically suited for Harley Davidson motorcycles. This isn't just about having a basic toolkit; it's about investing in quality equipment that will serve you well for years to come.

When it comes to Harley Davidsons, the specific tools required can vary depending on the model year and the type of work you intend to perform. However, there's a core set of wrenches, sockets, and specialised items that form the backbone of any serious Harley Davidson owner's toolkit. We'll break down these essentials, from the most fundamental to more advanced items that might be necessary for specific jobs.
The Foundation: Metric and Imperial Sizing
One of the first things to understand about Harley Davidson motorcycles is their historical use of both metric and imperial ( SAE - Society of Automotive Engineers) fasteners. While newer models are increasingly leaning towards metric, many classic and even relatively modern Harleys still utilise a significant number of imperial-sized bolts and nuts. Therefore, your toolkit must be equipped to handle both. This means having a comprehensive range of sockets, wrenches, and Allen keys in both metric and imperial sizes.
Wrenches: The Workhorses of Your Toolkit
Wrenches are arguably the most frequently used tools. You'll need a good selection of:
- Combination Wrenches: These have an open-end wrench on one end and a box-end wrench on the other. Having them in both metric (e.g., 8mm, 10mm, 12mm, 13mm, 14mm, 17mm, 19mm) and imperial (e.g., 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8") sizes is crucial.
- Adjustable Wrench: While not ideal for high-torque applications due to the potential for slipping and rounding fasteners, a good quality adjustable wrench can be a lifesaver for those odd-sized nuts or when you're caught without the correct size.
- Torque Wrenches: This is where precision really matters. Many Harley components require specific torque values to be tightened correctly. Overtightening can strip threads or damage parts, while undertightening can lead to parts loosening during operation. You'll ideally want at least two: a smaller click-type torque wrench for lower torque settings (e.g., 5-50 ft-lbs) and a larger one for higher settings (e.g., 20-150 ft-lbs). Accurate torque is vital for safety and longevity.
Socket Sets: Versatility in Your Hand
Socket sets offer excellent leverage and grip. Ensure your socket sets include:
- Standard Sockets: Both deep and shallow sockets in the common metric and imperial sizes mentioned above.
- Socket Drivers: A ratchet handle (preferably with a fine tooth count for better access in tight spaces) and a breaker bar for extra leverage on stubborn bolts. Extension bars of various lengths are also essential.
- Specialised Sockets: Harley Davidsons often use specific socket sizes for certain components. For example, you might need a 12-point socket for axle nuts or specific Torx sockets for certain engine covers.
Allen Keys and Hex Bits: The Ubiquitous Fastener
Allen (hex) bolts are prevalent on Harleys. You'll need a comprehensive set of:
- Hex Keys (L-shaped): In both metric and imperial sizes.
- Hex Bits: These fit into your socket drivers or a dedicated screwdriver handle, offering more leverage and access than traditional L-shaped keys. Again, both metric and imperial are necessary. Common sizes include 3mm, 4mm, 5mm, 6mm, 8mm, and 1/4", 5/16", 3/8".
Specialised Harley Davidson Tools: The Must-Haves
Beyond the general mechanics tools, Harley Davidson motorcycles often require specific tools for certain common maintenance tasks.
1. Primary Chaincase Lock-Up Clutch Tool
When working on the clutch, particularly for tasks like primary chain adjustment or clutch plate replacement, you'll need a tool to lock the clutch basket and prevent it from spinning. This is a crucial tool for many internal engine jobs on Big Twin models.
2. Flywheel Locking Tool
Similar to the clutch tool, this is used to hold the flywheel stationary when performing certain engine maintenance, such as timing adjustments or crankcase work. It typically threads into the spark plug hole.
3. Oil Filter Wrench
Harley Davidsons use a specific type of spin-on oil filter. You'll need a cap-style oil filter wrench that fits the fluting on the end of the filter. Ensure you get one that matches the diameter of your specific filter size.
4. Exhaust Spring Tool
Removing and installing exhaust pipes can be a fiddly job, especially when dealing with the springs that hold them in place. An exhaust spring tool provides the leverage needed to safely compress and attach these springs.
5. Tyre Levers and Rim Protectors
If you plan on doing your own tyre changes, you'll need sturdy tyre levers. Crucially, also invest in rim protectors to avoid scratching or damaging your expensive Harley Davidson wheels during the process.
6. Harley Davidson Specific Diagnostic Tools
For newer Harley Davidson models equipped with electronic fuel injection (EFI) and onboard diagnostics, a diagnostic tool can be invaluable. These tools can read fault codes, monitor sensor data, and sometimes even allow for adjustments to engine parameters. While not strictly a 'hand tool', it's an essential piece of kit for modern Harleys.
7. Screwdrivers and Pliers: The Supporting Cast
Don't overlook the basics. A good set of Phillips and flathead screwdrivers in various sizes is essential. You'll also want a selection of pliers, including:
- Needle-nose pliers: For gripping small parts or reaching into tight spaces.
- Locking pliers (Vise-Grips): Extremely useful for holding parts or bolts that won't budge.
- Diagonal cutters: For cutting zip ties or wire.
Safety First: Essential Safety Gear
No amount of tools will help if you injure yourself. Always prioritise safety:
- Safety Glasses: Protect your eyes from flying debris or fluid splashes.
- Work Gloves: Protect your hands from cuts, abrasions, and grease.
- Shop Rags and Degreaser: Essential for keeping your workspace and the bike clean, which also contributes to safety.
Organising Your Tools
Once you've started accumulating tools, organisation becomes key. A good toolbox or a sturdy tool roll will keep everything in its place, making it easier to find what you need and preventing loss or damage.
Here's a quick comparison of tool types:
| Tool Type | Primary Use | Importance for Harley | Notes |
|---|---|---|---|
| Combination Wrenches | Fastener tightening/loosening | High | Both metric and imperial needed |
| Torque Wrenches | Precise fastener tightening | Critical | Essential for engine and critical components |
| Socket Sets | Versatile fastener handling | High | Include extensions and various drive sizes |
| Hex Keys/Bits | Allen bolt servicing | High | Both metric and imperial sizes |
| Primary Lock-Up Tool | Clutch servicing | Essential for Big Twins | Specific to Harley Davidson |
| Oil Filter Wrench | Oil filter removal/installation | Essential | Ensure correct size |
Frequently Asked Questions
Q1: Do I really need both metric and imperial tools for my Harley?
Yes, especially for older models. While newer Harleys are more metric-heavy, many components still use imperial sizes. It’s better to be prepared for both.
Q2: What's the most important tool I should buy first?
A good quality set of combination wrenches and a reliable ratchet with socket set are the most fundamental. If you plan on doing any engine work, a torque wrench is arguably the most critical safety tool.
Q3: Are Harley-specific tools expensive?
Some specialised Harley tools can be pricey, but they are often necessary for specific jobs. For general tools like wrenches and sockets, investing in quality brands will pay off in terms of durability and performance.
Q4: Can I use regular tools on my Harley?
For general tasks, yes, but always ensure they are the correct size to avoid damaging fasteners. For specific jobs like clutch or primary work, Harley-specific tools are often required to do the job safely and correctly.
Building a comprehensive toolkit takes time and investment. Start with the essentials and gradually add specialised items as your maintenance and repair needs grow. With the right tools and a commitment to learning, you can keep your Harley Davidson running smoothly and enjoy the satisfaction of working on your own machine.
If you want to read more articles similar to Harley Davidson Essential Tool Kit, you can visit the Tools category.
