For Yamaha Outboard 6H4-14590-00-00 Needle Valve Assembly 40HP 50HP x2 SET= 4PCS
6H4-14590-00-00 Needle Valve

For Yamaha Outboard 6H4-14590-00-00 Needle Valve Assembly 6H4-14590-01-00 x4PCS

🛥️ Yamaha Needle Valve Assembly

  • Part Name:Needle Valve Assembly (often sold as part of a carburetor repair kit).

  • Function: This valve, along with the float, is responsible for regulating the flow of fuel into the carburetor's float bowl. A faulty needle valve can cause fuel to leak or the engine to flood.

  • Location: It is located inside the Carburetor of the outboard engine.

🛠️ Common Applications and Supersession

  • Newer Part Numbers:6H4-14590-01-00 and the most current, 6H4-14590-02-00.
  • This part is primarily used on a wide range of Yamaha two-stroke outboard motors in the 40 HP and 50 HP class:
YAMAHA - 2020
40VETO - CARBURETOR
40VETO - REPAIR KIT 1
40VMHD - REPAIR KIT 1
40VMHD - CARBURETOR
YAMAHA - 2017
40VETO - CARBURETOR
40VETO - REPAIR KIT 1
40VMHD - CARBURETOR
40VMHD - REPAIR KIT 1
40VWHTO - CARBURETOR
40VWHTO - REPAIR KIT 1
50HET - REPAIR KIT 1
50HET - CARBURETOR
50HETO - REPAIR KIT 1
50HETO - CARBURETOR
50HMHD - CARBURETOR
50HMHD - REPAIR KIT 1
50HMHO - REPAIR KIT 1
50HMHO - CARBURETOR
50HWHTO - CARBURETOR
50HWHTO - REPAIR KIT 1
YAMAHA - 2016
40VETO - CARBURETOR
40VETO - REPAIR KIT 1
40VMHD - CARBURETOR
40VMHD - REPAIR KIT 1
40VWHTO - CARBURETOR
40VWHTO - REPAIR KIT 1
50HET - REPAIR KIT 1
50HET - CARBURETOR
50HETO - REPAIR KIT 1
50HETO - CARBURETOR
50HMHD - CARBURETOR
50HMHD - REPAIR KIT 1
50HMHO - REPAIR KIT 1
50HMHO - CARBURETOR
50HWHTO - REPAIR KIT 1
50HWHTO - CARBURETOR
YAMAHA - 2015
40VETO - CARBURETOR
40VETO - REPAIR KIT 1
40VMHD - CARBURETOR
40VMHD - REPAIR KIT 1
40VWHTO - CARBURETOR
40VWHTO - REPAIR KIT 1
50HET - CARBURETOR
50HET - REPAIR KIT 1
50HETO - CARBURETOR
50HETO - REPAIR KIT 1
50HMHD - CARBURETOR
50HMHD - REPAIR KIT 1
50HMHO - CARBURETOR
50HMHO - REPAIR KIT 1
50HWHTO - REPAIR KIT 1
50HWHTO - CARBURETOR
YAMAHA - 2014
40VETO - CARBURETOR
40VETO - REPAIR KIT 1
40VMHD - CARBURETOR
40VMHD - REPAIR KIT 1
40VWHTO - CARBURETOR
40VWHTO - REPAIR KIT 1
50HET - REPAIR KIT 1
50HET - CARBURETOR
50HETO - CARBURETOR
50HETO - REPAIR KIT 1
50HMHD - REPAIR KIT 1
50HMHD - CARBURETOR
50HMHO - CARBURETOR
50HMHO - REPAIR KIT 1
50HWHTO - REPAIR KIT 1
50HWHTO - CARBURETOR
YAMAHA - 2013
40VETO - CARBURETOR
40VETO - REPAIR KIT 1
40VMHD - CARBURETOR
40VMHD - REPAIR KIT 1
40VWHTO - CARBURETOR
40VWHTO - REPAIR KIT 1
50HET - REPAIR KIT 1
50HET - CARBURETOR
50HETO - REPAIR KIT 1
50HETO - CARBURETOR
50HMHD - CARBURETOR
50HMHD - REPAIR KIT 1
50HMHO - REPAIR KIT 1
50HMHO - CARBURETOR
50HWHTO - REPAIR KIT 1
50HWHTO - CARBURETOR
YAMAHA - 2012
40VETOL (63DM - CARBURETOR
40VETOL (63DM - REPAIR KIT 1
40VETOL (63DN - CARBURETOR
40VETOL (63DN - REPAIR KIT 1
40VMHDL (63BB - CARBURETOR
40VMHDL (63BB - REPAIR KIT 1
40VMHDL (63BC - CARBURETOR
40VMHDL (63BC - REPAIR KIT 1
40VWHTOL (63DM - CARBURETOR
40VWHTOL (63DM - REPAIR KIT 1
40VWHTOL (63DN - CARBURETOR
40VWHTOL (63DN - REPAIR KIT 1
50HETL (62XN - REPAIR KIT 1
50HETL (62XN - CARBURETOR
50HETL (62XP - REPAIR KIT 1
50HETL (62XP - CARBURETOR
50HETOL (62XN - REPAIR KIT 1
50HETOL (62XN - CARBURETOR
50HETOL (62XP - CARBURETOR
50HETOL (62XP - REPAIR KIT 1
50HMHDL (62WB - CARBURETOR
50HMHDL (62WB - REPAIR KIT 1
50HMHDL (62WC - CARBURETOR
50HMHDL (62WC - REPAIR KIT 1
50HMHOS (63GB - REPAIR KIT 1
50HMHOS (63GB - CARBURETOR
50HMHOS (63GC - REPAIR KIT 1
50HMHOS (63GC - CARBURETOR
50HWHTOL (62XN - REPAIR KIT 1
50HWHTOL (62XN - CARBURETOR
50HWHTOL (62XP - CARBURETOR
50HWHTOL (62XP - REPAIR KIT 1
YAMAHA - 2011
40VETO - CARBURETOR
40VETO - REPAIR KIT 1
40VMHD - CARBURETOR
40VMHD - REPAIR KIT 1
40VWHTO - CARBURETOR
40VWHTO - REPAIR KIT 1
50HET - REPAIR KIT 1
50HET - CARBURETOR
50HETO - CARBURETOR
50HETO - REPAIR KIT 1
50HMHD - REPAIR KIT 1
50HMHD - CARBURETOR
50HMHO - CARBURETOR
50HMHO - REPAIR KIT 1
50HWHTO - REPAIR KIT 1
50HWHTO - CARBURETOR
YAMAHA - 2006
40VETO - CARBURETOR
40VETO - REPAIR KIT 1
40VMHD - CARBURETOR
40VMHD - REPAIR KIT 1
40VWHTO - CARBURETOR
40VWHTO - REPAIR KIT 1
50HET - REPAIR KIT 1
50HET - CARBURETOR
50HETO - REPAIR KIT 1
50HETO - CARBURETOR
50HMHD - REPAIR KIT 1
50HMHD - CARBURETOR
50HWHTO - REPAIR KIT 1
50HWHTO - CARBURETOR
YAMAHA - 2005
40VETO - REPAIR KIT 1
40VETO - CARBURETOR
40VMHD - CARBURETOR
40VMHD - REPAIR KIT 1
40VWHTO - CARBURETOR
40VWHTO - REPAIR KIT 1
50HET - REPAIR KIT 1
50HET - CARBURETOR
50HETO - REPAIR KIT 1
50HETO - CARBURETOR
50HMHD - REPAIR KIT 1
50HMHD - CARBURETOR
50HWHTO - CARBURETOR
50HWHTO - REPAIR KIT 1
YAMAHA - 1997
40VMH(O) 40VMHD 40VE 40VETO 50HMHD 50HETO 50HEMH - REPAIR KIT 1
40VMH(O) 40VMHD 40VE 40VETO 50HMHD 50HETO 50HEMH - CARBURETOR
YAMAHA - 1998
40V 50 - REPAIR KIT 1
40V 50 - CARBURETOR 
YAMAHA - 1995
40VMH(O) 40VE(O) 40VETO 50HMHD 50HETO 50HEMH - CARBURETOR
40VMH(O) 40VE(O) 40VETO 50HMHD 50HETO 50HEMH - REPAIR KIT 1
YAMAHA - 2019
40VETO - CARBURETOR
40VETO - REPAIR KIT 1
40VMHD - CARBURETOR
40VMHD - REPAIR KIT 1
40VWHTO - CARBURETOR
40VWHTO - REPAIR KIT 1
50HETO - REPAIR KIT 1
50HETO - CARBURETOR
50HMHD - REPAIR KIT 1
50HMHD - CARBURETOR
50HMHO - REPAIR KIT 1
50HMHO - CARBURETOR
50HWHTO - REPAIR KIT 1
50HWHTO - CARBURETOR
YAMAHA - 2018
40VETO - CARBURETOR
40VETO - REPAIR KIT 1
40VMHD - CARBURETOR
40VMHD - REPAIR KIT 1
40VWHTO - CARBURETOR
40VWHTO - REPAIR KIT 1
50HETO - CARBURETOR
50HETO - REPAIR KIT 1
50HMHD - CARBURETOR
50HMHD - REPAIR KIT 1
50HMHO - CARBURETOR
50HMHO - REPAIR KIT 1
50HWHTO - CARBURETOR
50HWHTO - REPAIR KIT 1
YAMAHA - 2010
40VETO - REPAIR KIT 1
40VETO - CARBURETOR
40VMHD - CARBURETOR
40VMHD - REPAIR KIT 1
40VWHTO - CARBURETOR
40VWHTO - REPAIR KIT 1
50HET - REPAIR KIT 1
50HET - CARBURETOR
50HETO - REPAIR KIT 1
50HETO - CARBURETOR
50HMHD - CARBURETOR
50HMHD - REPAIR KIT 1
50HMHO - REPAIR KIT 1
50HMHO - CARBURETOR
50HWHTO - CARBURETOR
50HWHTO - REPAIR KIT 1
YAMAHA - 2009
40VETO - CARBURETOR
40VETO - REPAIR KIT 1
40VMHD - CARBURETOR
40VMHD - REPAIR KIT 1
40VWHTO - CARBURETOR
40VWHTO - REPAIR KIT 1
50HET - REPAIR KIT 1
50HET - CARBURETOR
50HETO - REPAIR KIT 1
50HETO - CARBURETOR
50HMHD - CARBURETOR
50HMHD - REPAIR KIT 1
50HMHO - REPAIR KIT 1
50HMHO - CARBURETOR
50HWHTO - REPAIR KIT 1
50HWHTO - CARBURETOR
YAMAHA - 2008
40VETO - REPAIR KIT 1
40VETO - CARBURETOR
40VMHD - CARBURETOR
40VMHD - REPAIR KIT 1
40VWHTO - CARBURETOR
40VWHTO - REPAIR KIT 1
50HET - REPAIR KIT 1
50HET - CARBURETOR
50HETO - REPAIR KIT 1
50HETO - CARBURETOR
50HMHD - REPAIR KIT 1
50HMHD - CARBURETOR
50HWHTO - REPAIR KIT 1
50HWHTO - CARBURETOR
YAMAHA - 2007
40VETO - CARBURETOR
40VETO - REPAIR KIT 1
40VMHD - CARBURETOR
40VMHD - REPAIR KIT 1
40VWHTO - REPAIR KIT 1
40VWHTO - CARBURETOR
50HET - REPAIR KIT 1
50HET - CARBURETOR
50HETO - REPAIR KIT 1
50HETO - CARBURETOR
50HMHD - REPAIR KIT 1
50HMHD - CARBURETOR
50HWHTO - CARBURETOR
50HWHTO - REPAIR KIT 1
YAMAHA - 2004
40VETO - REPAIR KIT 1
40VETO - CARBURETOR
40VMHD - REPAIR KIT 1
40VMHD - CARBURETOR
40VWHTO - CARBURETOR
40VWHTO - REPAIR KIT 1
50HET - REPAIR KIT 1
50HET - CARBURETOR
50HETO - CARBURETOR
50HETO - REPAIR KIT 1
50HMHD - CARBURETOR
50HMHD - REPAIR KIT 1
50HWHTO - CARBURETOR
50HWHTO - REPAIR KIT 1
YAMAHA - 2003
40VETO - CARBURETOR
40VETO - REPAIR KIT 1
40VMHD - CARBURETOR
40VMHD - REPAIR KIT 1
40VWHTO - CARBURETOR
40VWHTO - REPAIR KIT 1
50HET - REPAIR KIT 1
50HET - CARBURETOR
50HETO - REPAIR KIT 1
50HETO - CARBURETOR
50HMHD - CARBURETOR
50HMHD - REPAIR KIT 1
50HMHO - REPAIR KIT 1
50HMHO - CARBURETOR
50HWHTO - REPAIR KIT 1
50HWHTO - CARBURETOR
YAMAHA - 2002
40VETO - REPAIR KIT 1
40VETO - CARBURETOR
40VMHD - CARBURETOR
40VMHD - REPAIR KIT 1
40VWHTO - CARBURETOR
40VWHTO - REPAIR KIT 1
50HET - REPAIR KIT 1
50HET - CARBURETOR
50HETO - REPAIR KIT 1
50HETO - CARBURETOR
50HMHD - REPAIR KIT 1
50HMHD - CARBURETOR
50HWHTO - REPAIR KIT 1
50HWHTO - CARBURETOR
YAMAHA - 2001
40VETO - CARBURETOR
40VETO - REPAIR KIT 1
40VMHD - CARBURETOR
40VMHD - REPAIR KIT 1
50HET - REPAIR KIT 1
50HET - CARBURETOR
50HETO - CARBURETOR
50HETO - REPAIR KIT 1
50HMHD - CARBURETOR
50HMHD - REPAIR KIT 1
50HWHTO - CARBURETOR
50HWHTO - REPAIR KIT 1
YAMAHA - 1994
40 - REPAIR KIT 1
40 - CARBURETOR
50DE(T) - CARBURETOR
50DE(T) - REPAIR KIT 1
YAMAHA - 1993
40 - CARBURETOR
40 - REPAIR KIT 1
50 - CARBURETOR
50 - REPAIR KIT 1
YAMAHA - 2000
40VET - CARBURETOR
40VET - REPAIR KIT 1
40VMH - CARBURETOR
40VMH - REPAIR KIT 1
50HET - REPAIR KIT 1
50HET - CARBURETOR
50HMH - REPAIR KIT 1
50HMH - CARBURETOR
50HWHT - REPAIR KIT 1
50HWHT - CARBURETOR
YAMAHA - 1996
40V 50 - REPAIR KIT 1
40V 50 - CARBURETOR
40VMH(O) 40VE(O) 40VETO 50HMHD 50HETO 50HEMH - REPAIR KIT 1
40VMH(O) 40VE(O) 40VETO 50HMHD 50HETO 50HEMH - CARBURETOR
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BrandUnbranded
Manufacturer Part Number6H4-14590-00-00
Unit Quantity4PCS/SET
Country/Region of ManufactureTaiwan
Part Name: Needle Valve Assembly (as part of a carburetor repair kit)
Location: Located inside the Carburetor of the outboard engine
Common Applications:Yamaha two-stroke outboard motors in the 40 HP and 50 HP class
Newer Part Numbers:6H4-14590-01-00/ 6H4-14590-02-00.
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