While we are talking about four strokes I should mention some of the features of the Walbro WT-456 as it is really a great little carb

It has a High Speed nozzle and check valve assembly in the venturi. This helps when you suddenly chop the throttle. Many engines will try to die on you when you chop the throttle but with this valve, these carbs do not do this.

A real rarity for Walbros is that this carb actually has an accelerator pump believe it or not

This carb also has a Choke.

It is not a very big venturi at 6.5 mm so is ideal for the four strokes up to probably a 150 size and should have excellent throttle response

This is at M&D

<table cellspacing="0" cellpadding="3" border="0" width="95%"> <tbody> <tr valign="top"> <td align="left" valign="middle">WL-WT-456</td> <td align="center" width="55" valign="middle"><input type="hidden" value="WL-WT-456" name="mv_order_item" /> </td> <td align="center" width="40%" valign="middle">WT456/WT-456 WALBRO CARBURETOR PART WT456/WT-456
CARB</td> <td align="center" valign="middle">$41.00</td> </tr> </tbody></table>