Welcome to Our Parts Catalogue

All available documentation is provided below for your reference

If the part you need is not in stock, please go to the product page and click "Email me when available" to get a notification when it's back in stock. This helps us determine what to order with the factory!

If you have a digital copy of a YS manual, please send it to us and help build the best collection of YS information on the web. Thank you!

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Pump, Regulator, and Fuel Components

185 products

Showing 109 - 144 of 185 products

Showing 109 - 144 of 185 products
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YS Engines and Parts
YS Engines #F2132 140DZ INSULATOR
$27.45
Only 1 unit left
YS Engines and Parts
YS Engines #S8138A ST2 REGULATOR ASSEMBLY
$69.25
Sold out
#S7140 61ST REGULATOR GASKETYS Engines and Parts
YS Engines #S7140 61ST REGULATOR GASKET
$3.85
Sold out
YS Engines and Parts
YS Engines #E4144 YS DZ185 RED REGULATOR BODY
$33.95
Only 1 unit left
YS Engines and Parts
YS Engines #E4183 YS200 DZ BREAK IN NEEDLE
$9.95
Sold out
YS Engines and Parts
YS Engines #G7163 70DZ REGULATOR BODY
$36.25
Sold out
#E4044 YS185 REGULATOR BODYYS Engines and Parts
YS Engines #E4044 YS185 REGULATOR BODY
$36.25
Only 3 units left
YS Engines and Parts
YS Engines #G7161 70DZ BREAK IN NEEDLE
$13.15
Sold out
YS Engines and Parts
YS Engines #G7068 DZ70 REGULATOR SCREW SET
$4.35
Sold out
#G7067 DZ70 REGULATOR SPRINGYS Engines and Parts
YS Engines #G7067 DZ70 REGULATOR SPRING
$4.35
Only 2 units left
#G7063 DZ70 REGULATOR BODYYS Engines and Parts
YS Engines #G7063 DZ70 REGULATOR BODY
$36.25
Only 1 unit left
#R1034 60SR HIGH NEEDLE O RINGYS Engines and Parts
YS Engines #R1034 60SR HIGH NEEDLE O RING
$4.35
In stock, 7 units
#R1033 60SR HIGH NEEDLEYS Engines and Parts
YS Engines #R1033 60SR HIGH NEEDLE
$17.55
In stock, 6 units
YS Engines and Parts
YS Engines #R1030 60SR NEEDLE VALVE DECENT
$9.85
Sold out
#G2062 115S NEEDLE SOCKETYS Engines and Parts
YS Engines #G2062 115S NEEDLE SOCKET
$18.65
In stock, 7 units
YS Engines and Parts
YS Engines #G1057S 70FZ-S NEEDLE VALVE SET
$36.25
Sold out
#G1072 70FZ-S REGULATOR SPACERYS Engines and Parts
YS Engines #G1072 70FZ-S REGULATOR SPACER
$4.35
Sold out
#G1071 70FZ-S REGULATOR SET SCREWSYS Engines and Parts
YS Engines #G1071 70FZ-S REGULATOR SET SCREWS
$4.35
Only 3 units left
YS Engines and Parts
YS Engines #G1070 70FZ-S REGULATOR BODY B
$38.45
Sold out
#G1060 70FZ-S NEEDLE SOCKET O-RING SETYS Engines and Parts
YS Engines #G1060 70FZ-S NEEDLE SOCKET O-RING SET
$5.45
Only 3 units left
#G1059 70FZ-S NEEDLE SOCKETYS Engines and Parts
YS Engines #G1059 70FZ-S NEEDLE SOCKET
$18.65
Only 1 unit left
YS Engines and Parts
YS Engines #S2037 56SR REGULATOR BODY B
$41.75
Sold out
#S2036 56SR REGULATOR BODY AYS Engines and Parts
YS Engines #S2036 56SR REGULATOR BODY A
$27.45
Only 2 units left
#S2050 56SR HIGH NEEDLE SOCKET O RINGYS Engines and Parts
YS Engines #S2050 56SR HIGH NEEDLE SOCKET O RING
$4.35
Only 1 unit left
#S2049 56SR HIGH NEEDLE SOCKETYS Engines and Parts
YS Engines #S2049 56SR HIGH NEEDLE SOCKET
$12.05
Only 3 units left
#S2051 56SR HIGH NEEDLE O RINGYS Engines and Parts
YS Engines #S2051 56SR HIGH NEEDLE O RING
$4.35
Only 2 units left
#S2048 56SR HIGH NEEDLEYS Engines and Parts
YS Engines #S2048 56SR HIGH NEEDLE
$15.35
Only 1 unit left
YS Engines and Parts
YS Engines #E1275 170DZ CDI SUB NEEDLE O-RING
$4.35
Sold out
#E1274 170DZ CDI SUB NEEDLEYS Engines and Parts
YS Engines #E1274 170DZ CDI SUB NEEDLE
$21.95
Only 2 units left
#F7374 FZ110S REGULATOR BODY BYS Engines and Parts
YS Engines #F7374 FZ110S REGULATOR BODY B
$21.95
Only 2 units left
YS Engines and Parts
YS Engines #F7368A FZ110S REGULATOR ASSEMBLY
$62.65
Sold out
#S1043 50ST REGULATOR SCREW O RINGSYS Engines and Parts
YS Engines #S1043 50ST REGULATOR SCREW O RINGS
$3.85
In stock, 16 units
YS Engines and Parts
YS Engines #S1042 50ST REGULATOR SCREW
$8.75
Sold out
#S1037 50ST REGULATOR BODY BYS Engines and Parts
YS Engines #S1037 50ST REGULATOR BODY B
$36.25
Only 2 units left
YS Engines and Parts
YS Engines #S1036 50ST REGULATOR BODY A1
$38.45
Only 5 units left
#S1030 50ST NEEDLE SOCKET O RINGYS Engines and Parts
YS Engines #S1030 50ST NEEDLE SOCKET O RING
$3.85
In stock, 23 units

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