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Yamaha XS650/XS400 - XS Performance

XS Performance

When you want your Yamaha XS650 or XS400 to perform at its best, there is no substitute for XS Performance products.  Choose from our wide selection of Performance Carb Kits, Headpipe Sets, Air Filters, Alloy Rims, Megaphone Muffler, Ignition Coils and Cables.  

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  1. 2-1 XS Performance Headpipe Set
    Part #
    07-0767
    2-1 Chrome XS Performance Headpipe Set with collector. XS650 (80-84), 1 1/2" OD Headpipes with finned clamp and a collector pipe(45.3mm.OD)with a slight kick up.Note: Muffler NOT Included.In Dyno Development this system with a free flowing muffler added and unprecedented 10HP+ rear wheel to a completely stock 1980 XS65... 
  2. XS Performance Carb XS400 ASSEMBLED
    Part #
    48-9004
    XS Performance Carb XS400 ASSEMBLED KITKit include:Right & Left Carbs, Manifold Gaskets (#18-0865), Carb holder screws (#49-0741), 2 into 1 Throttle Cable (#48-9046), Billet Aluminum Intake Manifolds, Rubber Hose, 49mm Band clamp (#15-0685), 67mm Band Clamps (#15-0686), Fuel Line Filter (#20-0013) and Air Filters (... 
  3. XS Performance Carb XS650 ** UNASSEMBLED KIT **
    Part #
    48-9001
    XS Performance Carb XS650! ** UNASSEMBLED KIT **32mm Flatslide Carb Set - Includes: Right & Left Carbs, Manifold Gaskets (#18-0865), Carb holder screws (#49-0741), 2 into 1 Throttle Cable (#48-9046), Billet Aluminum Intake Manifolds, Rubber Hose, 49mm Band clamp (#15-0685), 67mm Band Clamps (#15-0686), Fuel Line Fi... 
  4. XS Performance Carb kit XS650 **ASSEMBLED**
    Part #
    48-9000
    XS Performance Carb XS650! ** ASSEMBLED KIT **Here is your option to buy a completely Assembled Kit.Please check Item # 48-9001 for Unassembled Kit with all the parts listed if you prefer to do it yourself.Our Carbs were Dyno tested and tuned for XS650's.A replacement for the 1980 to 84 stock Mikuni BS34 Carbs or your... 
  5. Air Filter - 54mm. XS performance Pod Air Filter - Mikuni BS34 CV
    Part #
    15-0035
    Premium quality 54mm. motorcycle Pod Air Filter - Tapered Oval style with Chrome end cap. (2.75") deep x 74 mm. (2.91") wide x 85 mm. (3 3/8") high (at base). Pod is an improved replica (Dyno & flow bench developed) of the most popular brand on the market. Features molded in internal stack, no step rubber mount... 
  6. Air Filter - 57mm. XS Performance Pod Air Filter - Mikuni VM34
    Part #
    15-0027
    Sold individually.  57mm. (2 1/4") XS Performance motorcycle Pod Air Filter - Tapered Oval style w chrome end cap. Pod is an improved replica (dyno and flow bench developed) of the most popular brand on the market.Features - Molded in internal velocity stack. - No step rubber mount flange and chrome end cap.Filter... 
  7. XS Performance Reverse Cone Megaphone Muffler 17.25"
    Part #
    07-0112
    XS Performance Reverse Cone Megaphone Muffler - 17.25" long, 3.75" end Dia. 1.75" inlet.Adjustable Dyno tuned removable steel baffle. All mechanical design (No glass pack).End cone fastened with 3 screws. Classic chromed sleek & short design, nice tone. Upgraded adjustable heavy duty slider mount.*** does not in... 
  8. XS Performance Silicone Plug Wires
    Part #
    23-2906
    XS Performance 7mm. Silicone Spark Plug Wire Set (2pc.)Wire is 2 pc. at 20" each.Yellow Color with Copper Core. 
  9. XS Performance Ignition Coil 3.3 Ohm XS650 1980-84
    Part #
    17-6810
    Dual Tower XS Performance High Output Ignition Coil, 3.3 OHM Primary Resistance. 15K OHM Secondary Resistance. Capable of sustained 45KV output with 12.5v DC input. Capable of sustained 75KV output with 14v DC input. Replaces stock factory TCI ignition coils on All 1980 & up models and works with all our ignitions... 
  10. XS Performance Ignition Coil 3.3 Ohm
    Part #
    17-6807
    Single Tower XS Performance High Output Ignition Coil 3.3 OHM Primary Resistance. 15K OHM Secondary Resistance. Capable of sustained 45KV output with 12.5v DC input. Capable of sustained 75KV output with 14v DC input. Replaces stock contact point ignition coils on All 1970 & up XS650 models and works with 277 engin... 
  11. XS Performance Reverse Cone Megaphone Muffler 18"
    Part #
    07-0114
    XS Performance Reverse Cone Megaphone Muffler - 18" end Dia.Removable Dyno tuned baffle. End cone fastened with 3 screws. Classic chromed sleek & short design, nice tone. Upgraded adjustable heavy duty slider mountFits: Our #07-0767 XS Performance 2-1 Headpipe Set and its 45.3mm OD collector. Provides the maximum p... 
  12. XS  Performance Rocker Arm Set - Yamaha XS650
    Part #
    05-0037
    XS Performance Rocker Arm Set (4) with Valve Adjuster Screws -(3mm internal hex type for easy valve clearance adjustments). Each assembly weighs only 5 oz.Fits: 1974-1984 650's.** Note - the part is for the 447 motor onlyNote: Rocker Arms do Not have the decompressor lip as used on 1972-73 Models. Sold in Sets of 4 Onl... 
  13. 16" XS Performance Alloy XS650 Heritage Special 48 spoke Motorcycle Rim
    Part #
    34-1905
    Inventory Blowout Sale!WM type Alloy Rear Rim - Dimpled, drilled & Polished rim.2.15" x 16 x 48 hole Rear Rim ( Stock size ).Fits: "Heritage Special" 48 spoke Rear Hubs. 1982-1983 Heritage Specials and Special II.DOT certified.This Special pattern Rim has been made by Mikes XS to replace the unavailable stock 48 sp... 
  14. 18" XS Performance Alloy motorcycle Rim - Yamaha XS650 48 spoke Heritage Special and Special II
    Part #
    34-1906
    Inventory Blowout Sale!WM type Alloy Rear Rim - Dimpled, drilled & Polished rim.2.15" x 18 x 48 hole Rear Rim ( Larger Dia. than Stock ).Fits: 1982-83 "Heritage Special" and Special II 48 spoke Rear Hubs.DOT certified.See spokes 19-0064 to go with.Note: This Rim is used to increase Rear Wheel Diameter on "Heritage... 
  15. 16" XS Performance Alloy Rim Yamaha XS650 48 spoke Heritage Special and Special II
    Part #
    34-1910
    Inventory Blowout Sale! WM type Alloy Rear Rim - Dimpled, drilled & Polished rim. 2.50" x 16 x 48 hole Rear Rim ( Stock size ). Fits: 1982-83 "Heritage Special" and Special II 48 spoke Rear Hubs. See spokes 19-0066 to go with. DOT certified. OEM reference # 94427-16300-00 given for replacement reference only, t... 
  16. XS Performance Cable Adjuster for Carburetor
    Part #
    48-9161
    Cable Adjuster for XS Performance Carburetor Kit for XS650 
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