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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YS Parts Catalogue

982 products

Showing 1 - 36 of 982 products

Showing 1 - 36 of 982 products
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#F1248 120/140 REGULATOR PLUNGER#F1248 120/140 REGULATOR PLUNGER
YS Engines #F1248 120/140 REGULATOR PLUNGER
$3.85
Sold out
#F1247 120FS DIAPHRAGMYS Engines and Parts
YS Engines #F1247 120FS DIAPHRAGM
$3.85
Only 1 unit left
#F9169 91AC DIAPHRAGMYS Engines and Parts
YS Engines #F9169 91AC DIAPHRAGM
$3.85
Sold out
#F1272 60/45 CHECK VALVEYS Engines and Parts
YS Engines #F1272 60/45 CHECK VALVE
$10.95
Sold out
#R6211 61LS FRONT BEARINGYS Engines and Parts
YS Engines #R6211 61LS FRONT BEARING
$20.85
In stock, 10 units
#F9122 91AC FRONT OIL SEALYS Engines and Parts
YS Engines #F9122 91AC FRONT OIL SEAL
$12.05
Only 1 unit left
#F1341 120FS REAR BEARING-AYS Engines and Parts
YS Engines #F1341 120FS REAR BEARING-A
$28.54
In stock, 13 units
#F9191 91AC O RING SETYS Engines and Parts
YS Engines #F9191 91AC O RING SET
$20.85
Only 2 units left
#F1274S 120FS O RING SETYS Engines and Parts
YS Engines #F1274S 120FS O RING SET
$21.95
Sold out
#F9190 91AC GASKET SETYS Engines and Parts
YS Engines #F9190 91AC GASKET SET
$16.45
Sold out
#F1273S 120FS GASKET SETYS Engines and Parts
YS Engines #F1273S 120FS GASKET SET
$17.55
Sold out
#F9118 91AC AIR CHAMBER O RINGYS Engines and Parts
YS Engines #F9118 91AC AIR CHAMBER O RING
$2.75
In stock, 7 units
#F2050 140DZ DIAPHRAGMYS Engines and Parts
YS Engines #F2050 140DZ DIAPHRAGM
$8.75
Sold out
#F1573S 140FZ GASKET SETYS Engines and Parts
YS Engines #F1573S 140FZ GASKET SET
$16.45
Sold out
#F1240 120FS FRONT BEARINGYS Engines and Parts
YS Engines #F1240 120FS FRONT BEARING
$20.85
Only 4 units left
#F1249 120FS PLUNGER SPRINGYS Engines and Parts
YS Engines #F1249 120FS PLUNGER SPRING
$3.85
Only 4 units left
#W0075 61 REAR EXHAUST HEADERYS Engines and Parts
YS Engines #W0075 61 REAR EXHAUST HEADER
$59.99
Sold out
#F1574S 140FZ O RING SETYS Engines and Parts
YS Engines #F1574S 140FZ O RING SET
$25.25
Sold out
#F5169 53FZ DIAPHRAGMYS Engines and Parts
YS Engines #F5169 53FZ DIAPHRAGM
$4.95
Sold out
YS Engines and Parts
YS Engines #4028B 60/45 DIAPHRAGM
$3.85
Sold out
#F1242 120FS CAM GEAR BEARING SETYS Engines and Parts
YS Engines #F1242 120FS CAM GEAR BEARING SET
$18.65
Sold out
#F1224 120FS PISTON RINGYS Engines and Parts
YS Engines #F1224 120FS PISTON RING
$24.15
Sold out
#F2181S 140DZ GASKET SETYS Engines and Parts
YS Engines #F2181S 140DZ GASKET SET
$17.55
In stock, 20 units
#F1473S 120SC GASKET SETYS Engines and Parts
YS Engines #F1473S 120SC GASKET SET
$16.45
Only 5 units left
#F1260S 45FS THROTTLE ARM/SCREW SETYS Engines and Parts
YS Engines #F1260S 45FS THROTTLE ARM/SCREW SET
$7.65
Sold out
#F1545S 140FZ NEEDLE VALVE ASSEMBLYYS Engines and Parts
YS Engines #F1545S 140FZ NEEDLE VALVE ASSEMBLY
$37.35
Sold out
#F1236 120FS CAM FOLLOWERYS Engines and Parts
YS Engines #F1236 120FS CAM FOLLOWER
$16.45
Sold out
#F1545 140FZ NEEDLE VALVEYS Engines and Parts
YS Engines #F1545 140FZ NEEDLE VALVE
$16.45
Sold out
#R6135 61LS DIAPHRAGMYS Engines and Parts
YS Engines #R6135 61LS DIAPHRAGM
$3.85
Only 1 unit left
#F1250 120FS REGULATOR GASKETYS Engines and Parts
YS Engines #F1250 120FS REGULATOR GASKET
$3.85
Sold out
#F1239 120FS PUSH ROD COVER O RINGYS Engines and Parts
YS Engines #F1239 120FS PUSH ROD COVER O RING
$8.75
Sold out
#F1205 120FS HEAD SHIMYS Engines and Parts
YS Engines #F1205 120FS HEAD SHIM
$3.85
Sold out
#F5180 53FZ GASKET SETYS Engines and Parts
YS Engines #F5180 53FZ GASKET SET
$10.95
Sold out
#R6142S 61LS GASKET SETYS Engines and Parts
YS Engines #R6142S 61LS GASKET SET
$13.15
Sold out
#F1256 120FS NEEDLE SOCKET O RINGYS Engines and Parts
YS Engines #F1256 120FS NEEDLE SOCKET O RING
$3.85
Sold out
#F1232 120FS CAM GEAR COVERYS Engines and Parts
YS Engines #F1232 120FS CAM GEAR COVER
$6.55
Sold out

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