replacment carb
replacment carb
Ok I hope someone responds to this What would a good replacement carb for a kohler 295 ax2 with a walbro wdb 31? Thanks Jeff
Re: replacment carb
A 28mm Mikuni will work with proper jetting. It involes more than just the carb though as you will need to change the choke and add a fuel pump.
A similar sized Walbro will work fine also.
A similar sized Walbro will work fine also.
Todd Schrupp
Milbank SD
Milbank SD
Re: replacment carb
how do I know the correct jets and how do you set up the choke
Re: replacment carb
The Walbro used a standard cable to hook up the choke butterfly.
The Mikuni uses a different type cable all together so you would need to replace the cable assy.
Others have made this conversion so someone may offer up jetting combination that is proven.
Lacking that you can use known jetting from a different make around 300cc and be fairly close.
The Mikuni uses a different type cable all together so you would need to replace the cable assy.
Others have made this conversion so someone may offer up jetting combination that is proven.
Lacking that you can use known jetting from a different make around 300cc and be fairly close.
Todd Schrupp
Milbank SD
Milbank SD
Re: replacment carb
Todd stupid question how do I know that the mikuni 28 mm is the correct size? thanks for your help Jeff
Re: replacment carb
I guess anyone can answer how do you find out what size Mikuni carb will replace a Walbro wdb 31
Re: replacment carb
Whatever size other makes use on a 300 cc motor will work on yours.
Todd Schrupp
Milbank SD
Milbank SD
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Re: replacment carb
I would think a 28mm would be fine, considering the 30mm was used on 340 CC free air JDs.
Matt - JDsleds.com Administrator
Re: replacment carb
they don't make the 28 anymore I was looking on line for other 300cc engines with mikuni carbs to get an idea so far no good
Re: replacment carb
so far it looks like a mikuni vm 32 is what is used on 300cc engines now I have to find out how to jet it . On the other hand I took my walbro wdb 31 the rebuild shop they found nothing wrong with it I installed it on the engine it started but died out still I changed the metering arm adjustment and tried again. I got it to start again but will not idle and ides when I open choke also when I open the throttle. so I think the mikuni is the way to go Jeff
Re: replacment carb
ok now I need a new metering valve arm mine broke does anyone have a source
Re: replacment carb
Ok guys I got a Mikuni vm 30 I put it on last night and after I got fuel up into the new carb Blamoo she started and ran Beautifully. now at 75 deg out side air temp she starts first pull no problem> that's without choking. I cant wait until I m riding her on snow. Thanks to everyone that helped with info. Now to clean and assemble the rest of the sled. and wait for snow Jeff
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Re: replacment carb
Jeff, what size jets are you running in the vm30? Pilot & main that is? Thanks -Rylie
Re: replacment carb
200 and 25
Re: replacment carb
Ok now having some snow I have run it and found that at normal temp no power so I changed the jets down to a 180 main and 20 pilot still once it warms up no power wont move at all cold she ripps so Iknow its not the clutch or timing . any suggestions ?