Write Up | parts.wiki

Kawasaki NINJA 250R 1988-2007 EX250 Fuel Petcock Assembly Tank Tap 51023-1393 Genuine OEM

Product Write Up – Genuine Kawasaki Fuel Petcock Assembly 51023-1393

parts.wiki Model Applications:
Kawasaki EX250 NINJA 250R 1988-2007

With few mechanical changes (except cosmetic and tuning) for model years 1988 thru 2007, the Kawasaki EX250 Ninja 250R has been a popular entry level sport bike. It has also gained popularity with road racing leagues such as Chuckwalla Valley Motorcycle Association, where grids can be 30+ deep with Ninja 250s and 300s, KTM RC390 and Yamaha R3. Our write up today is for the genuine Kawasaki petcock assembly OEM number 51023-1393.

Kawasaki NINJA 250R 1988-2007 EX350 Fuel Petcock Assembly Tank Tap 51023-1393 Genuine OEM — Kawasaki NINJA 250R 1988-2007 EX250 Fuel Petcock Assembly Tank Tap 51023-1393 Genuine OEM

Description: This part goes by many names around the world, here are just a few: Fuel Petcock, Gas Valve, Fuel Tap, Petrol Valve. Petrol Tap, Fuel Switch

Features: This is a vacuum type petcock with “OFF”, “ON” and “RESERVE” positions. Brass main line into the fuel tank has a height of 80mm with nylon type filter screen on top. The reserve line is flush to the base and draws from the bottom of the tank. Includes special o-ring that sits between the tank and petcock. This assembly is rebuildable with a kit from K&L Supply 18-2702 which includes the diaphragm (which is also sold individually K&L # 18-6638) .

Part Number Supersession History: Over the years this part has had 3 different part numbers. This is the part number history in order of oldest to newest, left to right respectively —-> 51023-1139, 51023-1309, 51023-1393.

Dimensions: 35mm bolt hole center to center. Tank Side Base is 55mm x 21.4mm Oval. Main line tube in tank height is 80mm.

Original Manufacturer: Based on the “triple crescent” markings presented in a “T G” shape on the assembly, parts.wiki has deemed this unit to be manufactured by Taiyo Giken. Taiyo Giken is a major OE manufacturer of fuel related products such as petcock assemblies, manual and vaccuum operated fuel valves.

Additional Details and Photos: Kawasaki 51023-1393

References: Official Kawasaki Genuine Parts Lookup , Chuckwalla Valley Raceway , Taiyo Giken

Kawasaki KX65 KX85 KX100 KX125 KX250 Fuel Petcock Assembly Tank Tap 51023-0024

Product Write Up – Genuine Kawasaki Fuel Petcock Assembly 51023-0024

Need to replace your fuel petcock with a new Genuine Kawasaki part? Sometimes these dirt bikes are in too rough a shape to rebuild or your client just wants a new one. When an aftermarket unit won’t do, here is the parts.wiki info on Kawasaki OEM number 51023-0024.

parts.wiki Model Applications:
Kawasaki KX100 2001-2017
Kawasaki KX65 2000-2017
Kawasaki KX85 2001-2017
Kawasaki KX125 1999-2004
Kawasaki KX250 1999-2002

Description: This part goes by many names around the world, here are just a few: Fuel Petcock, Gas Valve, Fuel Tap, Petrol Valve. Petrol Tap, Fuel Switch

Features: A simple gravity fed fuel petcock with just an “On” and “Off” position. No reserve position. Single, mesh type in-tank filter, possibly nylon material. Includes the special o-ring that sits between the tank and petcock. The fuel line output is vertical and down. You’ll find this similar petcock body type used in all sorts of Yamahas and Kawasakis with various fuel line output direction and sizes. This assembly is rebuildable with a kit from K&S Technologies 55-4001 or from K&L Supply 18-2727 . With modern fuel, you may find youself rebuilding fuel petcocks more frequently.

Part Number Supersession History: Over the years this part has had 4 different part numbers. This is the part number history in order of oldest to newest, left to right respectively —-> 51023-1257, 51023-1338, 51023-1339, 51023-0024

Dimensions: 35mm bolt hole center to center. Tank Side Base is 56.6mm x 20.6mm Oval.

Original Manufacturer: As the detailed photo below shows, there is the iconic “M” marking on the petcock assembly. If you’ve owned motorcycles, you’re probably seen this stamp or something similar on your carburetor body. This marking indicates this is made by MIKUNI Corporation of Japan. Mikuni is one of the major fuel related parts manufacturers and suppliers to the big four (Honda, Kawasaki, Suzuki, Yamaha).