Lee Taylor (59 break), Dominic Spiteri, Roger Ward, Steve Beal, Phil Hart and walkovers for Simon Weatherill and Dan Pawson completed the victory which pushed Fulford into second place.
Bootham 'B' held on to third spot despite losing 4-3 to Acomb 'A', who remain in sixth position. Bootham went 3-1 ahead through Matt Smith (21 bk), Ian Robinson and Paul Scorfield against a reply by Tim Lister, Roland Cox (36 bk), Mick Borg (34, 42 bks). Paul Holmes (39 bk) completed the turnaround.
Heworth 'A' maintained their fourth place position with a close 4-3 defeat of Bootham 'A', who have lost seven consecutive matches.
James Kilmartin opened for Heworth but stand-in Peter Jackson levelled by cracking in the final black after Nick Dyson had missed an easier chance. Neil Wood (46 bk) made it 2-1 but Colin Robinson levelled again.
Adam Scaife (54 bk) and Kevin Gall decided the match before Barry Rankin beat Clive Whyte to make it 4-3.
Fulford 'B' came away from Acomb 'B' with a 5-2 success having lost their last three matches.
Dean Smith, Arthur Pegden and John Adcock put them 3-0 in front before John Ashwell stropped the run. Andy Hurley and Jim Rollinson secured the win before Steve Rodgers gained Acomb's second point.
Weatherill's walkover keeps him in the lead in the Worthington Player of the Year competition with 12 wins in 14 games. Paul Scorfield remains second with 11 wins in 13 games. Ward has moved into third place with ten wins in 13 games and there is a chasing pack of four players with ten wins in 14 games.
Taylor made a 59 break in the last round of matches but his earlier 85 clearance keeps him in the lead in the Pasema Paving Highest Break contest. Gall is second with a 65 break.