Block off your tach drive cleanly with this Joker Machine Brand Black Tach Drive Plug (Block Off). This plug is generally used when the tachometer cable drive is removed and still needs to be blocked off to prevent oil leakage. The plug has an O-ring groove machined in it for better sealing.
Several bike builders just cut the stock cable off and left the Honda cable drive end installed in the valve cover. This plug is a much cleaner option in both functionality and looks. These plugs are a real nice touch when you are not using the stock tachometer and need to eliminate the cable, or are using an electronic tach.
Installs in about a minute, no need to remove the valve cover to remove the tach drive gear assembly. High-quality CNC-machined part, made in the USA.
Key Features
• Joker Machine black tach drive plug (block off)
• O-ring groove for better sealing
• Quick install, no valve cover removal
• Made in USA
Fitment / Compatibility
• Honda CB750K (1969‑76)
• CB750F (1975‑76) Supersport
• Honda CB650 (1980‑82)
• CB650C (1981) Custom
• CB650SC (1982) Nighthawk
• Honda CB550K (1974‑78)
• CB550F (1975‑77) Supersport
• Honda CB350F (1972‑74) Supersport
• CB400F (1975‑77) Supersport
Part Number: 73-1075
Check the listed model and year, then read any fitment notes in the description.
| Make | Model | Year |
|---|---|---|
| Honda | CB750K Standard | 1969 |
| Honda | CB750K | 1970 |
| Honda | CB750K | 1971 |
| Honda | CB750K | 1972 |
| Honda | CB750K | 1973 |
| Honda | CB750K | 1974 |
| Honda | CB750K | 1975 |
| Honda | CB750F Supersport | 1975 |
| Honda | CB750K | 1976 |
| Honda | CB750F | 1976 |
| Honda | CB650 | 1980 |
| Honda | CB650 | 1981 |
| Honda | CB650 | 1982 |
| Honda | CB650SC Nighthawk | 1982 |
| Honda | CB650C Custom | 1981 |
| Honda | CB550K0 | 1974 |
| Honda | CB550K1 | 1975 |
| Honda | CB550K2 | 1976 |
| Honda | CB550K3 | 1977 |
| Honda | CB550K4 | 1978 |
| Honda | CB550F1 | 1975 |
| Honda | CB550F2 | 1976 |
| Honda | CB550F3 | 1977 |
| Honda | CB400F | 1975 |
| Honda | CB400F | 1976 |
| Honda | CB400F | 1977 |
| Honda | CB350F0 | 1972 |
| Honda | CB350F0 | 1973 |
| Honda | CB350F1 | 1974 |
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.
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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
What does the Joker Machine tach-drive block-off plug do?
It closes the mechanical tachometer-drive opening when the cable-driven tachometer is intentionally removed from a compatible Honda CB engine.
Does installing the tach-drive plug require removing the valve cover?
No. The plug is designed for quick installation without removing the valve cover or tach-drive gear assembly.
How is the tach-drive opening sealed?
The plug has a machined O-ring groove. Install it with the correct oil-resistant O-ring, protect the seal from sharp edges and verify that the plug is retained securely and does not leak after startup.