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Choose your Kawasaki KZ305 model

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Kawasaki KZ1000 KZ750 KZ650 KZ1100 Tank Cap 51048-1003

Kawasaki KZ1000 KZ750 KZ650 KZ1100 Tank Cap - Replaces Kawasaki OEM 51048-1003

$38.26
20-0032
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Kawasaki KZ1000 KZ750 KZ650 KZ1100 Tank Cap - Replaces Kawasaki OEM 51048-1003. This fuel tank cap closes the filler neck and helps seal the...
In stock
Kawasaki KZ1000 KZ750 KZ650 KZ1100 Cap Rubber Seal 11009-1051

Kawasaki KZ1000 KZ750 KZ650 KZ1100 Cap Rubber Seal - Replaces Kawasaki OEM 11009-1051

$7.10
73-0921
Kawasaki EX Motorcycle Parts Kawasaki EX305 Parts Kawasaki EX305B Parts Kawasaki GPz750 (ZX750A) Parts Kawasaki GPz750 Turbo (ZX750E) Parts Kawasaki KH Two-Stroke Motorcycle Parts Kawasaki KZ Motorcycle Parts Kawasaki KZ1000 Parts Kawasaki KZ1000A Parts Kawasaki KZ1000E Parts Kawasaki KZ1000J Parts Kawasaki KZ1000K Parts Kawasaki KZ1000M Parts Kawasaki KZ1000P Parts Kawasaki KZ1000R Parts Kawasaki KZ1100 Parts Kawasaki KZ1100A Parts Kawasaki KZ1100B Parts Kawasaki KZ1100D Parts Kawasaki KZ1100L Parts Kawasaki KZ1300 Parts Kawasaki KZ1300A Parts Kawasaki KZ1300B Parts Kawasaki KZ250 Parts Kawasaki KZ250D Parts Kawasaki KZ305 Parts Kawasaki KZ305A Parts Kawasaki KZ400 Parts Kawasaki KZ400H Parts Kawasaki KZ440 Parts Kawasaki KZ440A Parts Kawasaki KZ440D Parts Kawasaki KZ440G Parts Kawasaki KZ550 Parts Kawasaki KZ550A Parts Kawasaki KZ550C Parts Kawasaki KZ550D Parts Kawasaki KZ550F Parts Kawasaki KZ550H Parts Kawasaki KZ550M Parts Kawasaki KZ650 Parts Kawasaki KZ650H Parts Kawasaki KZ750 Parts Kawasaki KZ750E Parts Kawasaki KZ750F1 LTD Shaft Parts Kawasaki KZ750H Parts Kawasaki KZ750K LTD Belt Parts Kawasaki KZ750L Four Parts Kawasaki KZ750M CSR Twin Parts Kawasaki KZ750N Spectre Parts Kawasaki KZ750R GPz750 Parts Kawasaki Motorcycle Parts Kawasaki ZN Motorcycle Parts Kawasaki ZN1300 Parts Kawasaki ZN1300A Parts Kawasaki ZX, ZXR & ZZR Motorcycle Parts Kawasaki ZX1100 Parts Kawasaki ZX1100A Parts Kawasaki ZX550 Parts Kawasaki ZX550A Parts Kawasaki ZX750 Parts Motorcycle Air Filters, Petcocks & Fuel Parts Motorcycle Gas Tank Caps, Seals & Mounting Parts
Kawasaki KZ1000 KZ750 KZ650 KZ1100 Cap Rubber Seal - Replaces Kawasaki OEM 11009-1051. This rubber cap seal seals the matching cap or filler opening...
In stock
Kawasaki Motorcycle ATV Fuel Tap Gasket 18.5mm Diameter, 5.5mm Fuel Holes 43049-1017

Kawasaki Motorcycle ATV Fuel Tap Gasket - 18.5mm Diameter, 5.5mm Fuel Holes

$8.14
20-0029
Kawasaki ATV & Three-Wheeler Parts Kawasaki EX Motorcycle Parts Kawasaki EX305 Parts Kawasaki EX305B Parts Kawasaki KDX Off-Road Motorcycle Parts Kawasaki KDX200 Parts Kawasaki KDX220 Parts Kawasaki KDX250 Parts Kawasaki KEF ATV Parts Kawasaki KEF300A Parts Kawasaki KL Motorcycle Parts Kawasaki KL250D Parts Kawasaki KLF ATV Parts Kawasaki KLF220A Parts Kawasaki KLF300B Parts Kawasaki KLF300C Parts Kawasaki KLF400B Parts Kawasaki KLR250 Parts Kawasaki KLT Three-Wheeler Parts Kawasaki KLT185 Parts Kawasaki KSF ATV Parts Kawasaki KSF250 Parts Kawasaki KZ Motorcycle Parts Kawasaki KZ305 Parts Kawasaki KZ305A Parts Kawasaki KZ305B Parts Kawasaki Motorcycle Parts Motorcycle Air Filters, Petcocks & Fuel Parts Motorcycle Petcock Rebuild Kits, Seals & Screens
Kawasaki Motorcycle ATV Fuel Tap Gasket - 18.5mm Diameter, 5.5mm Fuel Holes - Replaces Kawasaki OEM 43049-1017. This fuel petcock gasket seals the fuel...
In stock
Kawasaki Motorcycle ATV Fuel Petcock Repair Kit

Kawasaki Motorcycle ATV Fuel Petcock Repair Kit

$18.57
20-0052
Kawasaki ATV & Three-Wheeler Parts Kawasaki EX Motorcycle Parts Kawasaki EX305 Parts Kawasaki EX305B Parts Kawasaki KD Trail Motorcycle Parts Kawasaki KL Motorcycle Parts Kawasaki KL250D Parts Kawasaki KL600 Parts Kawasaki KLR250 Parts Kawasaki KLR600 Parts Kawasaki KLT Three-Wheeler Parts Kawasaki KLT185 Parts Kawasaki KZ Motorcycle Parts Kawasaki KZ250 Parts Kawasaki KZ305 Parts Kawasaki KZ305A Parts Kawasaki KZ305B Parts Kawasaki Motorcycle Parts Motorcycle Air Filters, Petcocks & Fuel Parts Motorcycle Petcock Rebuild Kits, Seals & Screens
Kawasaki Motorcycle ATV Fuel Petcock Repair Kit. This fuel petcock controls fuel flow from the tank to the carburetor fuel line. Replace a leaking,...

About the Kawasaki KZ305

A KZ305 parts guide organized by model suffix and repair, with the different A- and B-model year applications set out below.

Kawasaki Motorcycle Logo

KZ305 engine, brake and fuel-system parts have different application boundaries. The engine gasket set below names KZ305A, KZ305B, KZ305C and KZ305D for 1981–1982. Clutch, caliper and petcock listings then divide into narrower model and year combinations. Start with the repair and complete suffix rather than carrying the gasket set’s range across the motorcycle.

Choose the KZ305 suffix before the repair

Use KZ305A parts for the listed 1981–1982 engine, clutch, caliper and fuel-tap repairs. The KZ305B parts page separates 1987–1988 fuel parts from the clutch plate’s 1982 application and the caliper kit’s 1983 application. Base KZ305 fork seals and rear brake shoes remain available through the repair links on this family page.

Know your motorcycle before choosing partsKZ305 model and repair checkpoints

Start with the complete KZ305 designation. The A, B and other catalog entries below have different repair applications.

KZ305A

1981–1982 repair applications

The linked engine gasket set, clutch plate, caliper kit and petcock repair kit list KZ305A for 1981–1982.

Parts checkpoint: Use the KZ305A page to compare those items; check gasket contents and clutch-plate quantity separately.

KZ305B

Different years for different components

The clutch plate lists 1982 and 1987–1988. The caliper kit lists 1983 and 1987–1988, while the float bowl gasket lists 1987–1988.

Parts checkpoint: A year supported by one KZ305B part does not extend the application of another.

Other KZ305 entries

Read the full application line

The fork seal set lists KZ305 for 1981–1988; the brake-pad listing specifies KZ305C for 1981 and KZ305D for 1982.

Parts checkpoint: Match the exact entry and the installed assembly instead of dropping the model suffix.

Identify your motorcycle before orderingKZ305 identification checklist

Keep the frame and engine records together. Confirm the model year using documentation that matches the motorcycle’s market and full model designation.

  1. Record the complete frame number and model designation from the motorcycle and its documents. Keep every suffix letter.
  2. Record the engine marking separately, particularly if the engine has been replaced.
  3. Photograph the carburetor markings, brake caliper and fuel-tap mounting before comparing parts.
  4. For fork seals, compare the removed seal markings and dimensions with the product listing. Confirm model year using market-specific documentation.
Need help identifying your KZ305?

Contact PartsNMore with clear photos of the frame and engine markings and the component you need. Include any known replacements or modifications.

Kawasaki KZ305 parts questions

Do KZ305A and KZ305B use the same replacement parts?
Some parts list both models, but the years can differ. The featured petcock kit lists KZ305A for 1981–1982 and KZ305B for 1987–1988. Use the complete suffix and year on each product, including when a replacement engine, carburetor or brake assembly has been fitted.
What size fork seals are listed for the Kawasaki KZ305?
The featured fork oil seal set measures 33 × 46 × 11 mm and lists KZ305 for 1981–1988. Compare those dimensions with the removed seals and fitted fork, especially on a motorcycle with a replacement front end.
Are KZ305 clutch plates sold individually?
The clutch plate featured here is sold individually. It lists KZ305A for 1981–1982 and KZ305B for 1982 and 1987–1988. Match the plate type and stack position, then order the quantity required for your clutch.
Which KZ305 models does the engine gasket set list?
The featured engine gasket set lists KZ305A, KZ305B, KZ305C and KZ305D for 1981–1982. Compare its included-parts list with the joints being opened and identify any additional oil seals or service parts your repair needs.

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