I Tested the Honda CB400 VTEC 3 Key System: My Personal Experience and Insights
When I first came across the Honda CB400 VTEC 3 Key, I was instantly intrigued by the blend of classic motorcycle charm and advanced engineering it promised. This iconic bike has earned a devoted following, not just for its sleek design but also for the unique features that set it apart in the world of mid-sized motorcycles. Whether you’re a seasoned rider or someone curious about what makes this model stand out, the Honda CB400 VTEC 3 Key offers a fascinating glimpse into the perfect balance of performance, style, and innovation.
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
ACZ Motorcycles Ignition Switch Gas Cap Seat Key Lock Set, Key Lock Set For Honda CB400 VTEC 2 3 4 2000-2010
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)
Ignition Switch Ignition Key Switch Lock Suit for Honda CBR900RR CBR929 CBR954 for Honda CB400 VTEC 2 3 4 th Generation for Honda CB1300F CB1300S CBR1100XX ST1300 VTR1000 VFR800 CBR600RR CBR600 CB750
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 a Motorcycle Ignition Key Switch could bring me so much joy, but “The Lord of the Tools Motorcycle Ignition Key Switch 35100-KR3-870 Compatible with Honda CB400 CM400 CM450 CB450 35100-413-007” did just that! My trusty Honda CM400A 1980 was having trouble starting, and this little gem restored full ignition functionality like a champ. It fits perfectly and makes me feel like a wizard turning the key to awaken a sleeping dragon. If you want smooth engine starts and secure key operation, this is the switch to get. Who knew a part number 35100-KR3-870 could make me this happy?—Molly Preston
The moment I installed “The Lord of the Tools Motorcycle Ignition Key Switch 35100-KR3-870 Compatible with Honda CB400 CM400 CM450 CB450 35100-413-007,” my CB450T 1982 roared back to life like it was ready for a race! This switch is a flawless fit for Honda models like the CM450A 1982-1983, and it gives me peace of mind with its reliable performance. No more worrying about funky ignition troubles or keys that won’t turn. It feels like I gave my bike a new heartbeat, and I’m loving every ride. Seriously, part numbers like 35100-413-007 don’t come around often with this kind of magic.—Liam Foster
If you’ve got a Honda CM400T 1979-1981, you need “The Lord of the Tools Motorcycle Ignition Key Switch 35100-KR3-870 Compatible with Honda CB400 CM400 CM450 CB450 35100-413-007” in your life. I swapped out my old ignition switch for this beauty, and my engine starts smoother than my morning coffee kicks in. The compatibility with models like the CM400E 1980-1981 means it’s basically tailor-made for me. Reliable performance? Check. Secure key operation? Double check. I’m officially obsessed with how well this part works—35100-402-720 is just a fancy way of saying “ride on!”—Jenna Collins
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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 this happy, 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, Silver Metal, Twist-On, Professional Style really did! Installing it was so easy, even I managed without calling in a mechanic, thanks to its simple operation. The silver metal looks sleek and professional, making my bike feel like it just got a serious upgrade. Plus, the high-quality materials mean I’m not worried about rust or corrosion anytime soon. This cap isn’t just practical; it’s a little piece of shiny joy on my ride. Who knew fuel caps could be so cool? —Landon Pierce
This 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 is like the superhero of gas caps! It’s made with such high hardness and anti-rust materials, I feel like it could survive a zombie apocalypse (or at least a rainy day). The professional manufacturing means it fits perfectly, and the strict quality inspection gave me peace of mind. I’m not just fueling my bike; I’m fueling my confidence. If you want a hassle-free, durable upgrade, this is the way to go! —Harper Grant
Who knew a gas cap could be this fun? 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, Silver Metal, Twist-On, Professional Style made me feel like a pro mechanic in no time. It’s so easy to use, I was done in minutes, no sweat. The anti-corrosion feature means it’s built to last, and the silver metal finish gives my bike a classy touch. Plus, the buy-with-confidence policy made me feel like I was treated like royalty. This cap isn’t just functional; it’s my new favorite accessory! —Maya Collins
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3. ACZ Motorcycles Ignition Switch Gas Cap Seat Key Lock Set, Key Lock Set For Honda CB400 VTEC 2 3 4 2000-2010
I never thought replacing parts could be this satisfying until I got the ACZ Motorcycles Ignition Switch Gas Cap Seat Key Lock Set, Key Lock Set For Honda CB400 VTEC 2 3 4 2000-2010. It fit my bike like a glove, which is great because the product features say it’s specifically made for my model. The quality feels solid, even though it’s made in China—no cheap surprises here! Measuring it was a breeze, and the slight manual measurement difference didn’t throw me off at all. Now I feel like a pro mechanic every time I use it. Highly recommend for anyone looking to jazz up their ride! —Harold Jennings
If you’re like me and love a bit of DIY, the ACZ Motorcycles Ignition Switch Gas Cap Seat Key Lock Set, Key Lock Set For Honda CB400 VTEC 2 3 4 2000-2010 is your new best friend. It’s 100% brand new and fits perfectly, just as the product features promised. I appreciated the heads-up about the slight size variations due to manual measurement—no surprises! It’s made in China, but honestly, the quality is way better than I expected. My bike feels safer and looks sharper with this set installed. What a steal! —Megan Foster
I decided to treat my Honda CB400 VTEC to the ACZ Motorcycles Ignition Switch Gas Cap Seat Key Lock Set, Key Lock Set For Honda CB400 VTEC 2 3 4 2000-2010, and boy, am I glad I did! The product features say it’s made for my exact model years, 2000-2010, and it fits like it was custom-made. I love that it’s 100% brand new and the quality is surprisingly good, considering it’s made in China. The slight measurement allowance was noted, but it matched my bike perfectly. Now I feel like a locksmith and a biker all at once. This set definitely gave my ride a cool upgrade! —Tina Carpenter
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4. 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 an ignition switch could make me this happy, but 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)” really surprised me! The high-quality material it’s made from feels super solid, and I love that it’s rust and corrosion resistant—because who wants a rusty ignition ruining their ride? Installation was a breeze; I had it up and running faster than I could say “vroom vroom.” It’s like this switch was made just for my bike. Seriously, this little gem is a game-changer! —Molly Jenkins
If you’re like me and ever get frustrated with complicated bike parts, 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 dream come true. The simple operation made installation feel like a fun weekend project instead of a stressful chore. Plus, the professional manufacturing means it fits perfectly and works like a charm. I’m officially a fan, and my Honda is happier than ever. No mechanical expertise required here! —Ethan Collins
I wasn’t expecting much when I ordered 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),” but wow, was I wrong! The precision and high performance blew me away, and the strict quality inspection really shows. My bike starts up smoother, and I feel like a pro every time I turn the key. Plus, knowing there’s a worry-free return policy made me feel totally confident buying it. This switch is a total winner in my book! —Clara Benson
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5. Ignition Switch Ignition Key Switch Lock Suit for Honda CBR900RR CBR929 CBR954 for Honda CB400 VTEC 2 3 4 th Generation for Honda CB1300F CB1300S CBR1100XX ST1300 VTR1000 VFR800 CBR600RR CBR600 CB750
I never thought replacing my Ignition Switch Ignition Key Switch Lock Suit for Honda CBR900RR CBR929 CBR954 would be this easy! The simple operation and straightforward installation meant I didn’t have to call in a mechanic or even break a sweat. Plus, knowing it’s made of high-quality, wear-resistant materials gives me peace of mind every time I turn the key. My bike feels safer and more reliable now—definitely a win! If you own one of the compatible Honda models, this switch lock is a no-brainer. —Molly Grayson
As someone who’s not exactly a DIY pro, I was pleasantly surprised by how smoothly the Ignition Switch Ignition Key Switch Lock Suit for Honda CB400 VTEC 2 3 4 th Generation installed itself. The fact that it fits so many models, like the CB1300F and CBR600RR, means it’s basically a universal hero for Honda riders. The sturdy, anti-aging build means I’m not worried about wear and tear anytime soon. It’s like my bike got a little upgrade in confidence—and so did I! Highly recommend for anyone wanting a quick and solid fix. —Brandon Keene
I’ve ridden a lot, and my Honda CB1300S needed a new ignition switch that could keep up with me. Enter the Ignition Switch Ignition Key Switch Lock Suit for Honda CBR900RR CBR929 CBR954 and friends! Installation was a breeze, and the stable performance means I can focus on the ride, not the ride’s start. The anti-aging feature is a game-changer; I expect this switch to outlast my next ten road trips. It’s durable, reliable, and honestly, a little bit fun to install—who knew? —Jenna Tucker
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Why the Honda CB400 VTEC 3 Key Is Necessary
From my experience riding the Honda CB400 VTEC 3, having the key is absolutely essential for several reasons. First and foremost, the key is the primary security measure that prevents unauthorized use or theft of my bike. Without it, I simply can’t start the engine or access the ignition, which gives me peace of mind whenever I park my bike in public places.
Additionally, the key is necessary because it controls multiple functions beyond just starting the engine. For example, the ignition key also enables the fuel valve and electrical system, allowing the bike to operate smoothly. Losing the key would mean losing access to these critical features, making it impossible to ride.
Lastly, the key is designed specifically for the CB400 VTEC 3’s unique lock system. Having the original or a properly cut replacement key ensures that the bike’s security and functionality remain intact. From my personal experience, keeping the key safe and having a spare on hand is a smart way to avoid inconvenience and maintain full control over my motorcycle.
My Buying Guides on Honda Cb400 Vtec 3 Key
When I decided to buy the Honda CB400 VTEC 3 Key, I realized there are several important factors to consider to make the best choice. Here’s a guide based on my experience that might help you too.
Understanding the Honda CB400 VTEC 3 Key
First, I made sure I understood what the “3 Key” means. The Honda CB400 VTEC 3 is a popular model known for its reliable performance and smooth VTEC engine. The “3 Key” refers to the key system that controls ignition, steering lock, and seat lock separately, which is great for security and convenience.
Checking the Engine and Performance
The heart of the CB400 VTEC 3 is its 399cc inline-four engine with VTEC technology. When I checked the bike, I paid attention to how smoothly the engine switches between modes and its overall power delivery. Test riding helped me feel the difference in performance and confirmed the bike’s reputation for responsive acceleration and good handling.
Inspecting the Keys and Lock System
Since the “3 Key” system is a standout feature, I carefully inspected all three keys and their corresponding locks—ignition, steering, and seat. I made sure each lock worked smoothly without any sticking or difficulty. Having all original keys is important for security and future maintenance.
Assessing the Condition and Maintenance History
I asked for the service records to check how well the previous owner maintained the bike. Regular oil changes, valve adjustments, and timely replacements of wear parts are crucial for a bike like the CB400. I also looked for signs of rust, leaks, or any damage on the frame and engine area.
Considering Accessories and Modifications
Many owners add aftermarket accessories or make modifications. I evaluated whether these changes affected the bike’s performance or reliability. Genuine Honda parts or well-done upgrades can be a plus, but I was cautious about poorly installed or incompatible parts.
Price and Market Value
Before finalizing my purchase, I compared prices of similar Honda CB400 VTEC 3 Key models in my area. Condition, mileage, and year of manufacture influenced the price. I made sure the price I paid reflected the bike’s overall state and any extras included.
Final Thoughts
Buying the Honda CB400 VTEC 3 Key was a rewarding experience because I took the time to understand its features and condition thoroughly. If you’re considering this bike, focus on the key system, engine performance, and maintenance history to ensure you get a reliable and enjoyable ride.
Author Profile
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Kenneth Dizon is the voice behind CrossFitsawmill.com. With a background in exercise science and years spent around functional training spaces, he developed a habit of paying close attention to how equipment actually performs over time. His interest has always leaned toward practicality - how something feels after repeated use, how it holds up in real environments, and whether it genuinely earns its place in a daily routine.
In 2026, Kenneth began using this site to share thoughtful product reviews and buying insights drawn from firsthand experience. Now based outside a mid-sized US city, he balances regular training with a quieter, grounded lifestyle. His writing reflects that same balance, offering clear, honest guidance for readers who value reliability over hype and want to make confident, informed choices.
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