Yamaha 1999 YZ400F Hot-Start Plug, Block-Off Upgrade Kit:
- This Titanium Carburetor Plug replaces the Plastic threaded OEM style.
- Hot Start systems are not needed; if the bike is hot, just open the throttle a 1/4 when kicking or hitting the start button.
- This part Improves your Yamaha 1999 YZ400F if it is not running correctly due to the plastic threaded nut being cracked or stripped (this is a very common issue). Additionally, it will take half a pound off the total weight of your Yamaha 1999 YZ400F.
- You can install this part using the brass and spring from the bike’s existing carburetor.
- This is a bike-specific part
Compatibility/Fitment
This is a list of all the years we carry this part for, yet there may be a different part number from year to year. If your bike is listed, no worries; the product will fit your ride. If any mods are done to the bike, please let us know on the checkout page or in a message after purchase so we can send the correct product for your ride.
| Brand | Model | Year |
|---|---|---|
| Yamaha | YZ400F | 1998 |
| Yamaha | YZ400F | 1999 |
Larry –
great way to fix a broken hot start is by eliminating it and just using a 1/4 throttle when starting the bike when it’s hot! too simple. Clean part too looks way better in person.