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 289 - 324 of 982 products

Showing 289 - 324 of 982 products
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#S1015 50ST PROP NUTYS Engines and Parts
YS Engines #S1015 50ST PROP NUT
$2.75
Only 3 units left
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#S1011 50ST CRANKSHAFTYS Engines and Parts
YS Engines #S1011 50ST CRANKSHAFT
$58.25
Only 1 unit left
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YS Engines and Parts
YS Engines #S1002 50ST CYLINDER HEAD
$21.95
Only 1 unit left
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#F4024 160DZ WRIST PINYS Engines and Parts
YS Engines #F4024 160DZ WRIST PIN
$9.63
Only 2 units left
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#F4023 160DZ PISTONYS Engines and Parts
YS Engines #F4023 160DZ PISTON
$86.35
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#F4020 160DZ CRANKSHAFTYS Engines and Parts
YS Engines #F4020 160DZ CRANKSHAFT
$104.45
Only 1 unit left
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YS Engines and Parts
YS Engines #F3168A 63S REGULATOR ASSEMBLY
$60.45
Only 4 units left
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#F3170 63S PLUNGER SPRINGYS Engines and Parts
YS Engines #F3170 63S PLUNGER SPRING
$6.55
In stock, 11 units
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#F3169 63S REGULATOR ADJ SCREW O-RINGYS Engines and Parts
YS Engines #F3169 63S REGULATOR ADJ SCREW O-RING
$4.35
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#F3108 63S CYLINDER GASKETYS Engines and Parts
YS Engines #F3108 63S CYLINDER GASKET
$6.55
Only 5 units left
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#S5107 91H PISTON RINGYS Engines and Parts
YS Engines #S5107 91H PISTON RING
$29.65
Only 2 units left
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YS Engines and Parts
YS Engines #F2059 140DZ FUEL PUMP STAY SET
$7.65
In stock, 8 units
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#F2058 140DZ FUEL PUMP GASKETYS Engines and Parts
YS Engines #F2058 140DZ FUEL PUMP GASKET
$4.85
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#F2013 140DZ INTAKE TAPPET ADJUSTING SCREWYS Engines and Parts
YS Engines #F2013 140DZ INTAKE TAPPET ADJUSTING SCREW
$4.85
Only 1 unit left
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#F2002 140DZ VALVE COVERYS Engines and Parts
YS Engines #F2002 140DZ VALVE COVER
$20.85
Only 2 units left
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#S4125 80 NEEDLE VALVEYS Engines and Parts
YS Engines #S4125 80 NEEDLE VALVE
$18.45
Only 3 units left
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#S4125S 80 NEEDLE VALVE ASSEMBLYYS Engines and Parts
YS Engines #S4125S 80 NEEDLE VALVE ASSEMBLY
$36.25
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YS Engines and Parts
YS Engines #F6116 63 CRANKSHAFT
$71.45
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YS Engines and Parts
YS Engines #S8138A ST2 REGULATOR ASSEMBLY
$69.25
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#F5158S 53FZ NEEDLE VALVE ASSEMBLYYS Engines and Parts
YS Engines #F5158S 53FZ NEEDLE VALVE ASSEMBLY
$38.25
Only 4 units left
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#F5175 53FZ HEADER LOCK NUTYS Engines and Parts
YS Engines #F5175 53FZ HEADER LOCK NUT
$8.55
Only 3 units left
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#F5174 53FZ HEADER PIPEYS Engines and Parts
YS Engines #F5174 53FZ HEADER PIPE
$8.75
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#F5142 53FZ PUSH ROD COVER O RINGYS Engines and Parts
YS Engines #F5142 53FZ PUSH ROD COVER O RING
$6.05
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#F5117 53FZ REAR BEARINGYS Engines and Parts
YS Engines #F5117 53FZ REAR BEARING
$20.85
Only 1 unit left
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#F5115 53FZ INTAKE PIPE O RINGYS Engines and Parts
YS Engines #F5115 53FZ INTAKE PIPE O RING
$3.85
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#F5106 53FZ VALVE SPRING RETAINER SETYS Engines and Parts
YS Engines #F5106 53FZ VALVE SPRING RETAINER SET
$6.33
Only 3 units left
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YS Engines and Parts
YS Engines #F5104 53FZ EXHAUST VALVE
$21.95
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YS Engines and Parts
YS Engines #F1506A 140FZ HEAD ASSEMBLY
$159.45
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YS Engines and Parts
YS Engines #F1521 140FZ PISTON
$86.35
Only 1 unit left
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YS Engines and Parts
YS Engines #F1520 140FZ CYLINDER LINER
$60.45
Only 1 unit left
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YS Engines and Parts
YS Engines #F1506 140FZ CYLINDER HEAD
$114.45
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#F1493 120SC FRONT OIL SEALYS Engines and Parts
YS Engines #F1493 120SC FRONT OIL SEAL
$16.15
Only 5 units left
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YS Engines and Parts
YS Engines #F1432 120SC CAM GEAR COVER
$7.65
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YS Engines and Parts
YS Engines #F1411 120SC VALVE SPRING CLIP
$11.95
In stock, 7 units
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#F9166A 91AC REGULATOR ASSEMBLYYS Engines and Parts
YS Engines #F9166A 91AC REGULATOR ASSEMBLY
$57.15
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YS Engines and Parts
YS Engines #F9107 91AC VALVE SPRING RETAINER CLIP
$8.75
In stock, 6 units

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