Refresh your 1977-78 CB550K carb screws with this Carburetor Screw Kit. Get a new set of screws to clean up the look of your carbs.
Kit includes: 4x drain screws with O-rings, 8x 4x12 screws with lock washers, and 12x 4x16 screws with lock washers.
Key Features
• Carburetor screw kit
• 4 drain screws with O-rings
• 8 x 4x12 screws + 12 x 4x16 screws with lock washers
Fitment / Compatibility
• Honda CB550K (1977‑78)
Part Number: 49-0004
Check the listed model and year, then read any fitment notes in the description.
| Make | Model | Year |
|---|---|---|
| Honda | CB550K3 | 1977 |
| Honda | CB550K4 | 1978 |
No listed models match your search.
Free ground shipping over $50
To the USA & Canada. In-stock orders usually ship from our own warehouse the same or next business day.
| Destination | Delivery time |
|---|---|
| USA | 4–7 business days |
| Canada | 2–6 business days |
Ground shipping includes tracking, emailed when your order ships. Need it sooner? Express options are available at checkout.
60-day returns on eligible parts
No restocking fees. Eligible parts must be unused, uninstalled, unaltered and complete. The 60-day window starts when your order is delivered.
Electrical parts are excluded from standard returns. Check return eligibility.
Start your return below. Wait for our instructions before mailing a part back.
Start a returnOther shipping options
Canada Post Economy: Available at checkout for select small items. Allow 1–3 weeks for delivery. No tracking or insurance is included.
Outside the USA & Canada: Delivery times vary by destination and shipping method. Buyers are responsible for applicable duties, taxes and import fees. We cannot mark orders as gifts.
Frequently Asked Questions
Does carburetor screw kit 49-0004 service all four 1977-1978 CB550K carburetors?
Yes. One kit supplies the screws for one complete four-carburetor rack, including four drain screws with O-rings and 20 mounting screws with lock washers.
What mounting-screw sizes are included in the CB550K carburetor kit?
The kit contains eight 4 x 12mm screws and twelve 4 x 16mm screws with lock washers, plus four drain screws and four drain-screw O-rings.
Are jets, needles or float-bowl gaskets included?
No. The included parts are the specified screws, lock washers and drain-screw O-rings; carburetor tuning and rebuild components are separate.