OutdoorKing Repair Forum Forums Repairs and Maintenance Questions on Walk Behind Lawn Mower Frames Reel Lawn Mowers, Atco & Villiers etc. Scott Bonnar 45 Randomly Stalls

For a cold start, when pulling the cord, does the diaphram acts as a pump to draw fuel up into the carby and into the combustion chamber?? Its like there is no pumping effect to get that initial spray of fuel on a cold start....