Needle Jet - Y-O Fits: XS650G/H/SH/SJ/SK/SL (1980-84) Stock Mikuni BS34 CV Carbs.

Needle Jet 336-Y0. Fits: XS650G/H/SH/SJ/SK/SL (1980-84) stock Mikuni BS 34 CV Carbs (Originally used in 1980 Canadian model BS 34 CV carbs). Matches Jet Needle - 5IX11 - and provides richer running than standard Y0 type.

Jet Needle - 5IX11. Fits:XS650G/H/SH/SJ/SK/SL (1980-84) stock Mikuni BS34 CV Carbs (Originally used in 1980 Canadian model BS 34 CV carbs). Note the needle clip adjustment grooves. Needle profile is Richer running than 5HX12.

Slide Needle Washer Washer - Fits under slide needle preload spring and on top of needle & clip on stock BS34 CV Mikuni carbs as used on 1980-84 North American model XS650's.

O-Ring - Needle Jet (Nozzle Main). If this O-ring is dried out, shrunk or damaged, fuel can pass around the outside of the Needle jet instead of just thru the jets center causing a richer carb fuel mixture. Fits: XS/TX 650's (1970-79) with Stock Mikuni BS38 CV Carbs. Note: O-Ring appears too small but it is correct, install by carefully stretching with pointy needle nose pliers until it just fits over the jet.