Honda XR250 Mikuni TM34 Flatslide Non-Pumper Carburetor

$440.00 AUD$465.00 AUD

SKU: N/A Category:


Please note: Select your carb kit to match your air-filter inlet side diameter as listed below or without a sleeve where the carb measures 58mm diameter for using with a POD filter.

XR250 with Plastic tank and mechanical slide carb stock measures 40mm OD at motor- 97 long- 47 Inlet at air-filter end. This Carb comes with a 46.5mm sleeve fitted where your air-box inlet will clamp the boot down onto it.

XR250L  Steel tank (also XR250R electric start)and CV carb stock measures 40mm OD at motor- 103 long- 55 inlet at air-filter end. This Carb comes with a 54mm sleeve fitted where your air-box inlet will clamp the boot down onto it.

The Mikuni TM34 Non Pump type TM Flatslide carburetor has for decades been the economical replacement carb of choice for Honda XR250 riders who have worn out their OEM carbs or are just over some of their inherent problems. All this means getting the full enjoyment out of your Honda has never been so easy, say goodbye to hard starting, hesitations and flatspots.  These Mikuni carburetors are easily fitted to your Honda XR250 and are generally used with a POD or foam filter or can be connected to your OEM air-box on some models as mentioned in bold above. Sourcing of a sleeve to extend the length and slightly step down diameter of the carb inlet can allow the use of the OEM air-box on the later model XR250L also. The kit comes with a throttle cable and a choice of MX or VMX 1/4 turn quick action throttles and a nylon lined cable with a 90 degree lower fitting for the tight clearance on some models. There are jets provided that must be changed as well as spares for fine tuning. Climate, altitude and fuel density from different octane fuels all have varying effects on final fine tuning as does cam, exhaust and cylinder head porting etc. For this reason, we have included what we have found to be a range of jets to allow you to tune to most variables.


If wishing to modify or use your existing Honda XR600, XR650 cables to suit the Mikuni TM38 or use a POD filter rather than the original air-box you can purchase the carburetor, tuner jet kit and or what ever other components you want individually by following the directions below.

On the main menu to the left of the page, hover over the carb listing for TM Carbs with Accel Pump and then select TM34 from the drop down list. When clicking on any individual size Mikuni carb from the drop down list it will put you into a page showing not only the Mikuni carb itself but also any items relevant to that carb, being Mikuni jets, Mikuni flanges, Mikuni carb tuner kits, Mikuni cables , Mikuni throttles, Mikuni air-cleaners and a range of Mikuni carb to OEM air box adaptors etc to also suit. This also makes alternate jet selection easy for you if you have your own spec as only the type jets for that particular carb are shown.
Click on the carb itself if wanting to view the full details and or to make your purchase. Then back arrow back in the carbs main page and go into the tuner kits, which show in the sales drop down list the jetting kits we have for confirmed suitable engines for that particular carb. Again thoroughly read the tuner kit description.
If you’re comfortable with making a purchase of the carb, tuner kit any or other associated components, order it on line or otherwise please call us to further discuss your needs on 0747712677.

All international buyers are responsible for the payment of their domestic customs duties and taxes charged on imported goods. The duty free threshold and duty/taxes payable rates differ from one country to another and we strongly advise you check your liability before ordering if unsure. Please check your tracking on all international shipments within 7 days to follow their progress and determine if it is being held by your local customs dept. or on their behalf by the Postal Service, who you will need to make contact with using the provided tracking number.

Please Note: Other than exact replacement OEM carburetors, all Mikuni Aftermarket Carburetors and Tuning Components are sold “As Is” for Off Road / Racing Use Only and are not intended or approved for use on vehicles operated on Public Roads or in locations where applicable engine tampering and anti-pollution laws apply.

Additional information

Choose Your Kit

Stock Air-Box 55mm, Stock airbox 47mm, No Sleeve 58mm for POD


There are no reviews yet.

Be the first to review “Honda XR250 Mikuni TM34 Flatslide Non-Pumper Carburetor”

Your email address will not be published. Required fields are marked *