Posted on

Kawasaki Ninja 250R EX250 Fuel Tank Petcock Assembly Petrol Tap 51023-1393 – Write Up

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) .

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

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.

 

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

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 taiyogikenTaiyo Giken.  Taiyo Giken is a major OE manufacturer of fuel related products such as petcock assemblies, manual and vaccuum operated fuel valves.

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

Additional Details and Photos:  Kawasaki 51023-1393

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