Welcome to Mountain Man Fuel Systems

We are a full service carburetor shop with 40 yrs. experience: 

Parts, Rebuilding Service & Stock Carburetors

Our Choke kits are made in the USA.

Fits 4100 carburetors with the piston style choke ( see 3rd pic) 

Note: It may be necessary to modify the choke fork on some models as it

may be to long and rub against the choke cap.

Excludes

If your hot air coil is recessed ( Pic 5) it will not work. 

 The style with the spring in the choke housing. (see 4th pic).

Will not work with late front mount choke ( last pic) or

Kit includes electric thermostat, gasket, screws, retainer clips, 

vacuum cap for hot air post on choke 

connectors  and instructions 

We ship USPS Ground Advantage.

If your package is delayed, please understand

 that once it is picked up it is out of our control. 

We will do our best to assist you: 

track your package and file a report with USPS 

if necessary, but the delay is not our fault.

Returns are accepted within 30 days on unopened items

We thank you for looking

Mountain Man Fuel Systems