From BackpackerGearTest :
0.7 oz (19 g) ~ Drink-through lid, with pour spout and strainer (Bottom right corner)
3.8 oz (107 g) ~ 0.8L (27 fl oz) Flux Ring Titanium Cup (Top middle)
0.6 oz (17 g) ~ Neoprene Insulating Cozy with handle (Around cup)
1.2 oz (33 g) ~ Bottom cover which doubles as a bowl and a measuring cup (Top left corner)
3.5 oz (98 g) ~ Stove/Flame Burner Housing with a piezoelectric igniter (Top right corner)
1.3 oz (36 g) ~ Pot Support (Bottom left corner)
1 oz (28 g) ~ Fuel (Canister) Stabilizer (Bottom middle)

adding the lid/pot/insulation and stove I get 241g, that is 8.5oz
http://www.backpackgeartest.org/reviews/...G%20Poindexter/