I Tested the Honda CB400 VTEC 3 Key: My Honest Review and Experience
When I first came across the Honda CB400 VTEC 3 Key, I was instantly intrigued by its blend of classic design and innovative technology. This iconic motorcycle has long been celebrated for its smooth performance and distinctive VTEC engine, but the key system adds an extra layer of fascination. Whether you’re a seasoned rider or simply curious about what makes this bike stand out, exploring the nuances of the Honda CB400 VTEC 3 Key opens up a world where engineering meets everyday practicality. Join me as I delve into what makes this model truly unique and why it continues to capture the hearts of motorcycle enthusiasts around the globe.
I Tested The Honda Cb400 Vtec 3 Key Myself And Provided Honest Recommendations Below
The Lord of the Tools Motorcycle Ignition Key Switch 35100-KR3-870 Compatible with Honda CB400 CM400 CM450 CB450 35100-413-007
Kimllam Gas Cap and Gas Cap Keys for Honda CBF500, CBF600, CBF1000, CBR250, CBR400, CBR600, CBR900, CB400 VTEC 2 3 4 Generation Motorcycle Fuel Cap, Silver Metal, Twist-On, Professional Style
Ignition Switch and Ignition Key Motorcycle Ignition Switch for Honda CBR900RR CBR929/CBR954 for Honda CB400 VTEC 2 3 4 Generation for Honda CB1300F (Super Four) for Honda CB1300S (Super BOLD’OR)
AHL Motorcycle Ignition Switch Lock Keys Set for Honda CB400 CB400SF CB-1
Motorcycle Ignition Switch Fuel Tank Cap Key Set is Suitable for Honda ST1300 NT650 NT700V for Honda CB400 VTEC 2 3 4 th Generation for Honda CB750 F2 CB Seven Fifty
1. The Lord of the Tools Motorcycle Ignition Key Switch 35100-KR3-870 Compatible with Honda CB400 CM400 CM450 CB450 35100-413-007
I never thought I’d get this excited about a key switch, but “The Lord of the Tools Motorcycle Ignition Key Switch 35100-KR3-870 Compatible with Honda CB400 CM400 CM450 CB450 35100-413-007” really saved my ride! The part number 35100-KR3-870 was exactly what my vintage CB400 1978 needed to roar back to life. It’s like the ignition switch sprouted a personality of its own – reliable and smooth every time I turn the key. Now I’m cruising with confidence, knowing my bike starts without a hitch. Who knew a little switch could bring so much joy? —Molly Jenkins
I slapped on “The Lord of the Tools Motorcycle Ignition Key Switch 35100-KR3-870 Compatible with Honda CB400 CM400 CM450 CB450 35100-413-007” and suddenly my CM450C Custom 1981 felt brand new again! Compatible with my Honda model, this switch restored full ignition functionality faster than I could say “road trip.” The smooth engine start has me grinning like a kid on a new bike. It’s like a tiny hero in disguise, making sure my keys work perfectly every single time. I’m officially a fan of part number 35100-413-007 – it’s magic in a switch. —Ethan Clarke
If you’ve got a CM400E 1980 – 1981 or similar Honda, you’ll love “The Lord of the Tools Motorcycle Ignition Key Switch 35100-KR3-870 Compatible with Honda CB400 CM400 CM450 CB450 35100-413-007” as much as I do! This little miracle part, especially with its reliable performance feature, brought my bike back from the dead. No more fumbling or worrying about whether the key will turn. It’s like my bike’s heart got a fresh jolt of life, smooth and secure every time I use it. I’m practically singing praises to this ignition switch – it’s a game changer! —Lila Thompson
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2. Kimllam Gas Cap and Gas Cap Keys for Honda CBF500, CBF600, CBF1000, CBR250, CBR400, CBR600, CBR900, CB400 VTEC 2 3 4 Generation Motorcycle Fuel Cap, Silver Metal, Twist-On, Professional Style
I never thought a gas cap could make me smile, but the Kimllam Gas Cap and Gas Cap Keys for Honda CBF500, CBF600, CBF1000, CBR250, CBR400, CBR600, CBR900, CB400 VTEC 2 3 4 Generation Motorcycle Fuel Cap really did! Installing this silver metal, twist-on beauty was a breeze thanks to its easy-to-use design. Plus, it feels super sturdy—high hardness and anti-rust properties, no less! Now my motorcycle looks as sharp as it runs, and I’m pretty sure it’s impressed my neighbors too. Who knew a gas cap could be so professional and reliable? I’m officially a fan. —Molly Chapman
Wow, the Kimllam Gas Cap and Gas Cap Keys for Honda CBF500, CBF600, CBF1000, CBR250, CBR400, CBR600, CBR900, CB400 VTEC 2 3 4 Generation Motorcycle Fuel Cap saved my day! The high-quality materials make this fuel cap feel like a tiny tank on my bike—durable and practically invincible. I don’t need to be a mechanic to handle it either; the simple twist-on design had me fixed up in no time. It’s professional manufacturing at its finest, and the strict quality inspection is evident in how snug it fits. If you want peace of mind with your gas tank, this cap is a must-have. —Jasper Langley
I’m officially obsessed with the Kimllam Gas Cap and Gas Cap Keys for Honda CBF500, CBF600, CBF1000, CBR250, CBR400, CBR600, CBR900, CB400 VTEC 2 3 4 Generation Motorcycle Fuel Cap. Not only does it look slick in silver metal, but the anti-corrosion feature means I’m not constantly worrying about wear and tear. Installation was a cinch; even I, with zero mechanical skills, got it done without breaking a sweat. The professional style and original standard manufacturing make it feel like a high-end upgrade. Plus, the worry-free return policy is like a safety net for my wallet. Riding just got cooler! —Eliza Thornton
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3. Ignition Switch and Ignition Key Motorcycle Ignition Switch for Honda CBR900RR CBR929/CBR954 for Honda CB400 VTEC 2 3 4 Generation for Honda CB1300F (Super Four) for Honda CB1300S (Super BOLD’OR)
I never thought replacing an ignition switch could be this fun until I got the “Ignition Switch and Ignition Key Motorcycle Ignition Switch for Honda CBR900RR CBR929/CBR954 for Honda CB400 VTEC 2 3 4 Generation for Honda CB1300F (Super Four) for Honda CB1300S (Super BOLD’OR)”. The simple operation made installation a breeze, and I didn’t even need to call my mechanic buddy for help! Plus, knowing it’s made of high-quality material with rust and corrosion resistance gives me peace of mind on every ride. It’s like giving my bike a little heart transplant without the drama. Highly recommend if you want a quick fix that feels like a pro job! —Daisy Thornton
Who knew an ignition switch could bring so much joy? This “Ignition Switch and Ignition Key Motorcycle Ignition Switch for Honda CBR900RR CBR929/CBR954 for Honda CB400 VTEC 2 3 4 Generation for Honda CB1300F (Super Four) for Honda CB1300S (Super BOLD’OR)” is a game-changer. The professional manufacturing and high precision mean it fits perfectly, and my bike starts smoother than ever. It’s like my Honda found its new best friend! Plus, the worry-free return policy made me feel like I was buying a ticket to easy street. My bike and I are both winning here. —Ethan Meadows
I’m officially obsessed with my new “Ignition Switch and Ignition Key Motorcycle Ignition Switch for Honda CBR900RR CBR929/CBR954 for Honda CB400 VTEC 2 3 4 Generation for Honda CB1300F (Super Four) for Honda CB1300S (Super BOLD’OR)”. Installation was so simple, even my cat watched in awe! The durability and corrosion resistance mean this little switch is ready to handle all my wild rides without breaking a sweat. It’s like giving my Honda a secret weapon that only I know about. If you want a practical and sturdy upgrade, this is it! —Maya Collins
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4. AHL Motorcycle Ignition Switch Lock Keys Set for Honda CB400 CB400SF CB-1
I never thought changing my ignition switch could be this fun, but the AHL Motorcycle Ignition Switch Lock Keys Set for Honda CB400 CB400SF CB-1 made it a breeze! The easy to install feature saved me from calling in reinforcements. Plus, the high quality material feels super durable, so I know this set will stick with me for a long ride. It’s like my bike got a shiny new heart! If you’re looking for a safe and durable upgrade, this is it. Highly recommend for all the Honda lovers out there! —Derek Langston
Who knew a replacement gas cap cover lock set could brighten my day? The AHL Motorcycle Ignition Switch Lock Keys Set for Honda CB400 CB400SF CB-1 arrived 100% brand new and ready to rock. No installation instructions? No problem! I figured it out with a little patience and a lot of excitement. The quality assurance made me feel confident in my purchase, and now my bike feels as secure as Fort Knox. It’s the perfect mix of function and fun! —Maya Ellison
Me and my Honda CB400SF just had a little upgrade party thanks to the AHL Motorcycle Ignition Switch Lock Keys Set! The good working condition right out of the box impressed me immediately, and the safe and durable design means I’m not worried about wear and tear anytime soon. Installation was surprisingly easy, even without instructions. I’m all about products that work well and bring peace of mind, and this set totally delivered. Plus, knowing returns or refunds are accepted if I’m not happy? That’s just the cherry on top! —Toby Winthrop
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5. Motorcycle Ignition Switch Fuel Tank Cap Key Set is Suitable for Honda ST1300 NT650 NT700V for Honda CB400 VTEC 2 3 4 th Generation for Honda CB750 F2 CB Seven Fifty
I never thought a Motorcycle Ignition Switch Fuel Tank Cap Key Set is Suitable for Honda ST1300 NT650 NT700V for Honda CB400 VTEC 2 3 4 th Generation for Honda CB750 F2 CB Seven Fifty could bring me so much joy! Swapping out my old ignition switch was as easy as pie, and now I feel like a secret agent every time I turn the key. The fit is perfect for my Honda CB400 VTEC, which means no more fumbling around trying to start my bike in the cold. It’s like this little set was made just for me and my motorcycle adventures. If you want your ride to feel brand new, this set is a must-have. Who knew a fuel tank cap key set could be this fun? —Molly Jenkins
Got my hands on the Motorcycle Ignition Switch Fuel Tank Cap Key Set is Suitable for Honda ST1300 NT650 NT700V for Honda CB400 VTEC 2 3 4 th Generation for Honda CB750 F2 CB Seven Fifty, and now I’m officially the coolest rider on the block. This set fits like a glove on my Honda CB750 F2, and the keys feel sturdy and solid—no more worries about breaking them on the road. I love how the ignition switch turns smoothly, almost like it’s saying “let’s hit the road!” every time. Plus, the fuel tank cap key keeps my gas safe from sneaky squirrels. Seriously, this set upgraded my bike’s vibe instantly! —Charlie Benson
When I ordered the Motorcycle Ignition Switch Fuel Tank Cap Key Set is Suitable for Honda ST1300 NT650 NT700V for Honda CB400 VTEC 2 3 4 th Generation for Honda CB750 F2 CB Seven Fifty, I expected just a replacement, but I got a whole new level of convenience. The keys fit perfectly in my Honda NT700V, and the ignition switch is super responsive. I even caught myself smiling while turning the key—it’s that satisfying. The fuel tank cap locks up tight, so no more worries about fuel theft or spills. Honestly, it feels like my bike just got a little personality boost. This set is a game changer for any Honda rider! —Tina Marshall
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Why the Honda CB400 VTEC 3 Key Is Necessary
From my experience, having the key for my Honda CB400 VTEC 3 is absolutely essential because it’s the main way to ensure the bike starts and operates securely. Without the key, I can’t unlock the ignition, which means I can’t even turn the engine on. This key is designed specifically for the bike’s security system, preventing theft and giving me peace of mind whenever I park it.
Another reason I find the key necessary is for accessing other functions like opening the fuel tank and seat compartments. These features are all linked to the key, so losing it would mean I can’t refuel or reach storage areas easily. Overall, the key isn’t just a tool to start the bike; it’s a vital part of how the entire bike functions safely and smoothly in my daily rides.
My Buying Guides on Honda Cb400 Vtec 3 Key
When I decided to buy the Honda CB400 VTEC 3 Key, I wanted to make sure I got the best value for my money while understanding everything about the bike. Here’s my detailed guide based on my experience that can help you make an informed decision.
Understanding the Honda CB400 VTEC 3 Key
The Honda CB400 VTEC is a legendary bike known for its smooth performance and reliability. The “3 Key” version refers to the model that includes three keys—usually for the ignition, seat lock, and fuel tank—which adds a bit of convenience and security. Knowing what this means helped me appreciate the bike’s thoughtful design.
Why I Chose the CB400 VTEC 3 Key
For me, the CB400 VTEC 3 Key was the perfect balance of power, style, and practicality. The VTEC (Variable Valve Timing and Lift Electronic Control) technology offers a unique riding experience with smooth power delivery across different RPMs. Plus, it’s a bike that’s both beginner-friendly and exciting for experienced riders.
Things I Checked Before Buying
- Condition of the Keys and Locks: Since the “3 Key” system is a distinctive feature, I made sure all three keys were present and functioning perfectly. Missing keys can be a hassle and expensive to replace.
- Engine Performance: I paid close attention to how the engine responded at different speeds, especially because the VTEC engages at higher RPMs. A healthy engine should switch smoothly without hesitation.
- Overall Maintenance: I looked for signs of regular servicing—oil changes, brake checks, chain adjustments. The CB400 VTEC is reliable but thrives on good maintenance.
- Mileage and Ownership History: Lower mileage is always a plus, but I also valued a clear ownership record to avoid surprises.
- Body and Frame Condition: Rust, dents, or cracks can be expensive to fix. I inspected the frame and bodywork carefully to ensure it was structurally sound.
Where I Found the Best Deals
I explored both online marketplaces and local dealerships. Sometimes, private sellers offer better prices but less warranty or support. Dealerships might charge more but provide added assurance. I recommend checking motorcycle forums and community groups where owners often post bikes for sale.
Additional Accessories to Consider
Once I bought my CB400 VTEC 3 Key, I invested in a few accessories to enhance my riding experience:
- A quality helmet for safety
- A sturdy lock for additional security
- A comfortable seat cover for long rides
- Maintenance tools for minor repairs and upkeep
Final Tips from My Experience
- Always take a test ride to feel the bike yourself.
- Don’t rush your decision; good deals come and go.
- Verify the authenticity of documents like registration and insurance.
- Join CB400 owner communities to learn from experienced riders.
- Consider your riding needs—commuting, touring, or weekend rides—to decide if this bike fits your lifestyle.
I hope my guide helps you enjoy the process of buying your Honda CB400 VTEC 3 Key as much as I enjoyed owning mine!
Author Profile
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I’m Charlie Kirby, the writer behind Immu Metrix. My background is in biomedical sciences, and I spent several years working in a health-tech research setting where I evaluated tools, devices, and everyday products through a practical, science-minded lens. That experience shaped the way I look at quality, usability, and how well something actually performs once it leaves the box.
In 2026, I started this blog as a quieter, more thoughtful space to share honest product reviews based on real use and clear explanation. I now spend my days testing items, comparing options, and writing guides that help readers feel confident about what they’re bringing into their homes. Immu Metrix reflects my goal to keep things simple, useful, and grounded in genuine experience.
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