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Hardware and More

Hardware and More

If you’ve never left a bolt (or a part) on the highway behind you, you have likely never owned a vintage motorcycle. Engines these days can sound like scooters, whisper quiet, and hardly seem to shake below 5000 RPM. Such is the case with technology, it seems.

Vintage Japanese performance motorcycles are a different beast, though. It behooves us as custodians of these historic machines to make the rounds through our fasteners, torqueing every bolt and screw we can reach. Sooner or later, though, one’s going drop.

Odds are, there is a loose bolt on your vintage KZ1000 right now. These (and other) vintage Japanese performance bikes can really roar, but there is a downside to having all that muscle on tap. The rumble of that liter-sized engine translates to shaking throughout the motorcycle. Thanks to rubber mounts and dampers, we don’t feel as much of the shaking as we might otherwise, but it’s there, and it’s vibrating bolts losoe every time you ride.

Then, there’s the flipside. A vintage KZ barn find is a miraculous thing. Forty years ago, that motorcycle was the biggest thing in bikes, but someone left your new project out to rot. Forgotten, it sat in the corner of that barn for a generation. As mechanical ignition gave way to electronics, followed by fuel injection’s rise to dominance over carburetion, that Z1 sat patiently waiting for you to find her. Now, fly-by-wire and electronic rider aids are taking the skill out of riding, and you’re just beginning the process of restoring your KZ1000 to her original luster, or better.

If you get that bike down to the frame without stripping out bolts, consider yourself lucky. In all likelihood, you’ll be spraying cans worth of penetrating oil and snapping off a few studs on your way to a freshly powder coated frame.

Are you really even thinking about putting this classic performance motorcycle back together with the same, ancient bolts?

When you’re ready to begin rebuilding your vintage KZ1000, consider investing in all-new hardware. Z1 has prices set to beat your local big-box, home repair outlet. All of our bolts fit one vintage Japanese performance bike or another, so you won’t waste your time sifting through drawers and bins of bolts meant for hanging iron or hiding beneath the hoods of pick-up trucks.

Z1 stainless steel bolts will beautify your KZ, and you will not have oxidizing issues for years to come. For more utilitarian purposes, we have zinc-coated steel bolts that are the equal of any of your vintage KZ1000’s stock fasteners. From hex-head bolts to pan heads, nuts and washers, Z1 has everything you need to reassemble your vintage Japanese bike securely and professionally.  

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  1. S/S (A2) Nut 6mm Flange
    Part #
    X2N-060F-000
    A2 Stainless Steel Our flange nuts are polished. Pitch = 1.0mm s (hex size) = 10mm dc (head diameter) = 14.2mm h (height) = 6mm discounts: 10-24 10% 25-99 20% 100+ 30% 
  2. S/S (A2) Washer 6mm Flat
    Part #
    X2W-060F-120
    A2 Stainless Steel- Our Small Flat Washers are polished. A2 SS is the Equivalent to Type 304. d1 (internal diameter) = 6.4mm d2 (external diameter) = 12mm S (thickness) = 1.6mm discounts: 10-24 10% 25-99 20% 100+ 30% 
  3. S/S (A2) Washer 6mm Lock
    Part #
    X2W-060L-118
    A2 Stainless Steel Our Spring / Lock Washers are polished. A2 SS is the Equivalent to Type 304. d1 (internal diameter) = 6.1mm d2 (external diameter) = 9.9mm S (thickness) = 1.6mm discounts: 10-24 10% 25-99 20% 100+ 30% 
  4. Pan Head Bolt JIS Zinc Blue 6x16
    Part #
    XBB-060E-016
    Zinc Coated Steel JIS (Japanese Industrial Standard) Phillips Pan-Head bolts. Blue Zinc coating. Pitch = 1.0mm. Head size and shape is correct for vintage Japanese bolts. discounts: 10-24 10% 25-99 20% 100+ 30% 
  5. Pan Head Bolt JIS Zinc Blue 6x20
    Part #
    XBB-060E-020
    Zinc Coated Steel JIS (Japanese Industrial Standard) Phillips Pan-Head bolts. Blue Zinc coating. Pitch = 1.0mm. Head size and shape is correct for vintage Japanese bolts. discounts: 10-24 10% 25-99 20% 100+ 30% 
  6. Pan Head Bolt JIS Zinc Blue 6x25
    Part #
    XBB-060E-025
    Zinc Coated Steel JIS (Japanese Industrial Standard) Phillips Pan-Head bolts. Blue Zinc coating. Pitch = 1.0mm. Head size and shape is correct for vintage Japanese bolts. discounts: 10-24 10% 25-99 20% 100+ 30% 
  7. Pan Head Bolt JIS Zinc Blue 6x30
    Part #
    XBB-060E-030
    Zinc Coated Steel JIS (Japanese Industrial Standard) Phillips Pan-Head bolts. Blue Zinc coating. Pitch = 1.0mm. Head size and shape is correct for vintage Japanese bolts. discounts: 10-24 10% 25-99 20% 100+ 30% 
  8. Pan Head Bolt JIS Zinc Blue 6x35
    Part #
    XBB-060E-035
    Zinc Coated Steel JIS (Japanese Industrial Standard) Phillips Pan-Head bolts. Blue Zinc coating. Pitch = 1.0mm. Head size and shape is correct for vintage Japanese bolts. discounts: 10-24 10% 25-99 20% 100+ 30% 
  9. Pan Head Bolt JIS Zinc Blue 6x40
    Part #
    XBB-060E-040
    Zinc Coated Steel JIS (Japanese Industrial Standard) Phillips Pan-Head bolts. Blue Zinc coating. Pitch = 1.0mm. Head size and shape is correct for vintage Japanese bolts. discounts: 10-24 10% 25-99 20% 100+ 30% 
  10. Copper Washer - Flat 10.5 x 22 x 1.5
    Part #
    XPW-100P-220
    Equivalent to OEM: 92022-1005 - identical to 92022-215. These copper washers are used under cylinder head nuts - usually when the cylinder head stud sits inside an oil gallery. Sold individually- 2- 4 or 12 needed depending on the application. See below for 411AA1000 the standard steel version of this washer.Fits: K... 
  11. Philips Pan Head Bolt w/washer - zinc blue - 6x20
    Part #
    XBB-060F-020
    Zinc Coated Steel JIS (Japanese Industrial Standard) Phillips Pan-Head bolt with captive washer. Blue Zinc coating. Pitch = 1.0mm. Head size and shape is correct for vintage Japanese bolts. discounts: 10-24 10% 25-99 20% 100+ 30% 
  12. Mikuni Carb O-Ring 4.8x1.9 (1)
    Part #
    KL18-4635-1
    Mikuni Carb O-Ring 4.8mm x 1.9mm (Individual) 
  13. Mikuni Carb O-Ring 2.4x1.6 (1)
    Part #
    KL18-4636-1
    Mikuni Carb O-Ring 2.4mm x 1.6mm (Individual) 
  14. S/S (A2) Bolt Socket Head 6x25
    Part #
    X2B-060D-025
    A2 Stainless Steel Smooth-headed and polished. Use 5mm Allen Key to install. Pitch = 1.0mm Dk (head diameter) = 10mm k (head height) = 6mm s (hex key size) = 5mm discounts: 10-24 10% 25-99 20% 100+ 30% 
  15. S/S (A2) Nut 10mm Plain - Fine Thread 1.25 pitch
    Part #
    X2N-100P-125
    A2 Stainless Steel Our plain nuts are polished. Pitch = 1.25mm (fine) S (head size) = 17mm h (height) = 8mm discounts: 10-24 10% 25-99 20% 100+ 30% 
  16. S/S (A2) Washer 6mm Fender
    Part #
    X2W-060F-180
    A2 Stainless Steel Our Flat Fender Washers are polished. A2 SS is the Equivalent to Type 304. d1 (internal diameter) = 6.4mm d2 (external diameter) = 18mm S (thickness) = 1.6mm discounts: 10-24 10% 25-99 20% 100+ 30% 
  17. Pan Head Bolt JIS Zinc Blue 6x12
    Part #
    XBB-060E-012
    Zinc Coated Steel JIS (Japanese Industrial Standard) Phillips Pan-Head bolts. Blue Zinc coating. Pitch = 1.0mm. Head size and shape is correct for vintage Japanese bolts. discounts: 10-24 10% 25-99 20% 100+ 30% 
  18. Washer - Steel 10.5 x 22 x 1.6
    Part #
    411AA1000
    Genuine OEM: 411AA1000 supersedes 411B1000- 92200-1095. These washers are used in numerous locations - including under cylinder head nuts- on caliper bolts and on front fenders. Sold individually- 2- 4- 8 or even 16 needed depending on the application. Fits: H1- H2- KZ1000- KZ1100- ZN1100- ZX1100A- KZ1300- ZN1300- K... 
  19. Keihin Mixture Screw Washers (1)
    Part #
    KL18-0055-1
    Keihin Mixture Screw Washers 1mm x 3mm x 5mm (Individual) 
  20. Keihin Carb O-Ring 2.8x1.2 (1)
    Part #
    KL18-4619-1
    Keihin Carb O-Ring 2.8mm I.D x 1.2mm (Individual) 
  21. Keihin Carb O-Ring 6.9x1.3 (1)
    Part #
    KL18-4623-1
    Keihin Carb O-Ring 6.9mm I.D x 1.3mm (Individual) 
  22. Machine Screw Phillips Pan-Head 4x14 - 25-pack
    Part #
    MM4X14X25
    25 pack Phillips Carburetor Float Bowl Screws 4x14 . Used on many Mikuni VM carbs from the 70's.Blue Zinc Coated Steel. JIS Philips cross-head machine screws assembled with captive spring washer. Pitch = 0.7mmhead diameter (dk) = 7mm head height (k) = 2.6mmlength (L) = 14mm 
  23. Machine Screw Phillips Pan-Head 4x16 - 25-pack
    Part #
    MM4X16X25
    25 pack Phillips Carburetor Float Bowl Screws 4x16 . Used on many Mikuni VM carbs from the 70's.Blue Zinc Coated Steel. JIS Philips cross-head machine screws assembled with captive spring washer. Pitch = 0.7mmhead diameter (dk) = 7mm head height (k) = 2.6mmlength (L) = 16mm 
  24. S/S (A2) Bolt Socket Head 6x16
    Part #
    X2B-060D-016
    A2 Stainless Steel Smooth-headed and polished. Use 5mm Allen Key to install. Pitch = 1.0mm Dk (head diameter) = 10mm k (head height) = 6mm s (hex key size) = 5mm discounts: 10-24 10% 25-99 20% 100+ 30% 
  25. S/S (A2) Bolt Socket Head 6x18
    Part #
    X2B-060D-018
    A2 Stainless Steel Smooth-headed and polished. Use 5mm Allen Key to install. Pitch = 1.0mm Dk (head diameter) = 10mm k (head height) = 6mm s (hex key size) = 5mm discounts: 10-24 10% 25-99 20% 100+ 30% 
  26. S/S (A2) Bolt Socket Head 6x20
    Part #
    X2B-060D-020
    A2 Stainless Steel Smooth-headed and polished. Use 5mm Allen Key to install. Pitch = 1.0mm Dk (head diameter) = 10mm k (head height) = 6mm s (hex key size) = 5mm discounts: 10-24 10% 25-99 20% 100+ 30% 
  27. S/S (A2) Bolt Socket Head 6x30
    Part #
    X2B-060D-030
    A2 Stainless Steel Smooth-headed and polished. Use 5mm Allen Key to install. Pitch = 1.0mm Dk (head diameter) = 10mm k (head height) = 6mm s (hex key size) = 5mm discounts: 10-24 10% 25-99 20% 100+ 30% 
  28. S/S (A2) Nut 6mm Plain
    Part #
    X2N-060P-000
    A2 Stainless Steel Our plain nuts are polished. Pitch = 1.0mm S (head size) = 10mm h (height) = 5mm discounts: 10-24 10% 25-99 20% 100+ 30% 
  29. S/S (A2) Nut 8mm Plain
    Part #
    X2N-080P-000
    A2 Stainless Steel Our plain nuts are polished. Pitch = 1.25mm S (head size) = 13mm h (height) = 6.5mm discounts: 10-24 10% 25-99 20% 100+ 30% 
  30. S/S (A2) Washer 4mm Flat
    Part #
    X2W-040F-076
    A2 Stainless Steel Our Small Flat Washers are polished. A2 SS is the Equivalent to Type 304. d1 (internal diameter) = 4.3mm d2 (external diameter) = 9mm S (thickness) = 0.8mm discounts: 10-24 10% 25-99 20% 100+ 30% 
  31. S/S (A2) Washer 5mm Flat
    Part #
    X2W-050F-092
    A2 Stainless Steel Our Small Flat Washers are polished. A2 SS is the Equivalent to Type 304. d1 (internal diameter) = 5.3mm d2 (external diameter) = 10mm S (thickness) = 1mm discounts: 10-24 10% 25-99 20% 100+ 30% 
  32. S/S (A2) Washer 5mm Lock
    Part #
    X2W-050L-092
    A2 Stainless Steel Our Spring / Lock Washers are polished. A2 SS is the Equivalent to Type 304. d1 (internal diameter) = 5.1mm d2 (external diameter) = 8.8mm S (thickness) = 1.6mm discounts: 10-24 10% 25-99 20% 100+ 30% 
  33. S/S (A2) Washer 8mm Flat
    Part #
    X2W-080F-148
    A2 Stainless Steel Our Small Flat Washers are polished. A2 SS is the Equivalent to Type 304. d1 (internal diameter) = 8.4mm d2 (external diameter) = 16mm S (thickness) = 1.6mm discounts: 10-24 10% 25-99 20% 100+ 30% 
  34. S/S (A2) Washer 8mm Lock
    Part #
    X2W-080L-148
    A2 Stainless Steel Our Spring / Lock Washers are polished. A2 SS is the Equivalent to Type 304. d1 (internal diameter) = 8.1mm d2 (external diameter) = 12.7mm S (thickness) = 2mm discounts: 10-24 10% 25-99 20% 100+ 30% 
  35. S/S (A2) Washer 10mm Flat
    Part #
    X2W-100F-181
    A2 Stainless Steel Our Small Flat Washers are polished. A2 SS is the Equivalent to Type 304. d1 (internal diameter) = 10.5mm d2 (external diameter) = 20mm S (thickness) = 2mm discounts: 10-24 10% 25-99 20% 100+ 30% 
  36. Steel Washer Zinc Blue 6mm Lock
    Part #
    XCW-060L-118
    Zinc Coated Steel d1 (internal diameter) = 6.1mm d2 (external diameter) = 11.8mm S (thickness) = 1.6mm discounts: 10-24 10% 25-99 20% 100+ 30% 
  37. Copper Banjo Crush Washer - Flat 10.5 x 15 x 1.5
    Part #
    XPW-100P-150
    Brake Hose 3/8" CRUSH WASHERS - (SOLD INDIVIDUALLY)d1 (internal diameter) = 10.0mm d2 (external diameter) = 15mm S (thickness) = 1.5mm discounts: 10-24 10%- 25-99 20%- 100+ 30%Used to seal brake hose banjo fittings and banjo bolts. Two needed on most single fittings- and two or three on double fittings.Made in U... 
  38. O-Ring - 2.5mm x 1.5mm - Pilot Air Screw
    Part #
    16038-022
    OEM: 16038-022D1 = 2.5--D2 = 1.5mmUsed on the pilot circuit air screws on: KZ1000A3-4 (79-80)- KZ1000D/E/J/K/M/P/R - KZ1100A/D/L- KZ1300A (79-82)- KZ1300B2 (80)- KZ650F1 (80)- KZ650H- KZ700- KZ750K/L/M/R- KZ900A/B- ZN1100B- ZX600G/J- ZX750A (GPz). Four (4) required on all except the KZ/ZN1300 which used six (6)- sold... 
  39. O-Ring - 3.6mm x 1.75mm - Mikuni Drain Screw
    Part #
    92055-044
    OEM: 92055-044 supersedes 92055-028D1 = 3.6mmD2 = 1.75mmUsed on the carb drain screw on KZ1000C3 (some)/C4/J/K/M/P/R- KZ1100- KZ1300- KZ650H- KZ700- KZ750K/L/M/R- ZN1100- ZX750AUsed on the petcock diaphragm on: H1/C/D/E/F- H2 
  40. O-Ring - 2.7mm x 1.15mm - Keihin Fuel Screw
    Part #
    92055-1002
    OEM: 92055-1002D1 = 2.7mmD2 = 1.15mmUsed on the fuel screw on Keihin CV carbs: KZ250D/L/W- KZ305- KZ400A/B/C/D/H/S- KZ440- KZ750E/F/H/N- ZN700- ZX900 
  41. O-Ring - 2.7mm x 1.8mm - pilot jet/check valve
    Part #
    92055-1059
    OEM 92055-1059D1 = 2.7mmD2 = 1.8mmUsed behind the pilot jet plug on KZ1000 (79 and up)- KZ1100- KZ650E/F/H- KZ750L/R 
  42. Keihin Needle E-Clips (100 Pk)
    Part #
    KL18-0015
    Keihin Needle E-Clips (100 Pack) 
  43. Keihin Mixture Screw Washers (50 Pk)
    Part #
    KL18-0055
    Keihin Mixture Screw Washers 1mm x 3mm x 5mm (50 Pack) 
  44. Keihin Carb O-Ring Assortment Shop Kit
    Part #
    KL18-4600
    Keihin Carb O-Ring Assortment Shop Kit 
  45. Keihin Carb O-Ring 2.8x1.9 (25 Pk)
    Part #
    KL18-4601
    Keihin Carb O-Ring 2.8mm I.D x 1.9mm Thick (25 Pack) 
  46. Keihin Carb O-Ring 2.8x1.9 (1)
    Part #
    KL18-4601-1
    Keihin Carb O-Ring 2.8mm I.D x 1.9mm Thick (Individual) 
  47. Keihin/Mikuni Carb O-Ring 5.7x1.3 (25 Pk)
    Part #
    KL18-4602
    Keihin/Mikuni Carb O-Ring 5.7mm x 1.3mm Thick (25 Pack) 
  48. Keihin/Mikuni Carb O-Ring 5.7x1.3 (1)
    Part #
    KL18-4602-1
    Keihin/Mikuni Carb O-Ring 5.7mm x 1.3mm Thick (Individual) 
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