Float Bowl Screws - 4mm. - ( Pk./4 Screws with lockwashers). Fits: Early Mikuni CV carb floatbowls.

Blind Plug - Carb Holder Air Barb - OEM Ref.# 1J7-13569-00. Fits: 1978-84 XS650 stock carb holders & blocks off air barbs when vacuum petcocks are replaced with manual type petcocks. Order quantity needed. Fits: All XS Carb Holders and Carb Holders for Keihin Flatslide PWK 32mm XS Performance Carb Set for XS650. Note: Each carb holder requires 1 Blind Plug.

Carb Choke Plunger Fits: Stock Mikuni BS38 CV Carbs as used on 1972-75 XS2/TX650/TX650A/XS650B 650's.

Carb Choke Plunger - OEM Ref.# 603-14171-00. Fits: Stock Mikuni BS38 CV Carbs as used on 1970-71 XS1/XS1b 650's

Carb Choke Body Gasket - 7 Hole. Fits: TX650A, XS650B (1974-75) Stock Mikuni BS38 CV Carb. Note: 1970-73 650's did not use a choke body gasket.

Carb Choke Body Gasket - 8 Hole. Fits: XS650C/D/E/F/2F/SF (1976-79) Stock Mikuni BS38 CV Carb. Note: 1970-73 650's did not use a choke body gasket.

Carb Choke Plunger Fits: Stock Mikuni BS38 CV Carbs as used on 1976-79 XS650C/D/E/SE/F/2F/SF

Rubber Pilot Jet Passage Plug (Pk/2). Used inside float bowl to seal passage to pilot Jet - 1 used per carb. Fits: XS650G/H/SH/SJ/SK/SL (1980-84) Stock Mikuni BS34 CV Carbs.

Fuel Idle Mixture Screw - (256 type). Fits: Stock Mikuni BS38 CV Carbs.

Fuel Idle Mixture Screw - (584 type). Fits: Stock Mikuni BS38 CV Carbs.

Fuel Idle Mixture Screw with O-Ring. Fits: XS650E/SE/F/SF/2F(1978-79) Stock Mikuni BS38 CV Carbs. Note! Carb idle mixture screw O-Rings included may or may not fit correctly in your Mikuni BS38 CV stock carb. The O-Ring in the carb as originally supplied by Mikuni/Yamaha varies in fit and size and we have found it impossible to match or guarantee a proper fit. No alternatives can or will be supplied. The mixture screw and matching O-ring was never sold or supplied by Yamaha or Mikuni.

Fuel Idle Mixture Screw with Washer and O-Ring. Fits: Stock Mikuni BS34 CV Carbs. Note: This Mixture Screw is 25mm in length, there are 2 different sizes that were used. Be sure to measure your old one to confirm this is the size you require before purchasing

Mixture Screw Kit - Mixture Screw, Mixture Screw Rubber O-Ring, Blind Plug Washer, Spring and Washer. (Includes All Contents Shown) Fits: Stock Mikuni BS34 CV Carbs. Note: This Mixture Screw is 20.5mm in length, there are 2 different sizes that were used. Be sure to measure your old one to confirm this is the size you require before purchasing Plug covers vertical re-cessed idle mixture screw & keeps out contaminants. O-Ring fits under metal Washer at bottom of mixture screw hole and the engine will not idle properly if it is not present - (O-ring is often disintegrated). These parts are not shown in service & parts listings as Yamaha did not want "emissions" related parts accessed, however adjustments were often necessary to get New bikes to run properly. Suggested setting position of the normally hidden mixture screw is 2 1/2 to 3 turns out from bottom.

Float Needle With Clip - Viton Tipped Needle & Clip Only! Fits: Stock 34mm. Mikuni CV Carbs

Carb Float Valve (Needle & Seat) - Threaded Type. Fits: Stock Mikuni BS38 CV Carbs.