The Honda 99101-Z1T-0640 Main Jet (#64) is a genuine OEM component designed for the FC600 tiller. As a direct Honda OEM part, it carries the exact sizing and tolerances specified for this application, making it the correct replacement when servicing the carburetor on your FC600. Confirm the #64 sizing against your original jet before ordering to ensure this is the right variant for your unit.
Key Features
- Correct Fuel Metering — the #64 orifice size is the critical specification here; an incorrectly sized main jet will throw off the fuel-to-air mixture across the rpm range, affecting power and fuel consumption on the FC600 tiller
- Genuine OEM Part — sourced directly from Honda, this main jet meets the exact calibration Honda specifies for the FC600 carburetor, with no deviation in jet sizing
- Variant Verification — the (#64) designation identifies this specific jet size; Honda uses multiple main jet sizes across its tiller lineup, so confirm part number 99101-Z1T-0640 and the #64 rating match your carburetor before installation
- FC600 Tiller Fitment — listed for the Honda FC600 tiller; check your machine's serial number against the fitment table to confirm applicability to your specific unit
The main jet is a precisely drilled metering orifice inside the carburetor's main circuit. It controls the volume of fuel delivered to the engine under normal running and load conditions — the orifice diameter is calibrated to produce the correct mixture strength at operating rpm. A blocked or damaged main jet starves the engine of fuel, causing lean running, power loss, and potential overheating, while a jet with an enlarged or damaged orifice results in a rich mixture, rough running, and excessive fuel consumption. Replacing a worn or clogged main jet with the correct Honda OEM part restores the carburetor to its original fuel delivery specification and brings the FC600 back to its intended working performance.
Part Details
| Part Number | 99101-Z1T-0640 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Main Jet (#64) |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Tiller | FC600 | All |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
