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 757 - 792 of 982 products

Showing 757 - 792 of 982 products
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YS Engines and Parts
YS Engines #S5135 91H CARBURETOR SUBPLATE
$25.25
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#S5131 91H LOW SPEED NEEDLEYS Engines and Parts
YS Engines #S5131 91H LOW SPEED NEEDLE
$16.50
Only 1 unit left
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YS Engines and Parts
YS Engines #S5122 91H SEAL RING
$4.35
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YS Engines and Parts
YS Engines #S5121 91H THROTTLE BARREL
$25.85
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YS Engines and Parts
YS Engines #S5119 91H CARBURETOR BODY
$58.85
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YS Engines and Parts
YS Engines #S5117 91H BACK PLATE GASKET
$3.85
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#S5116 91H BACK PLATEYS Engines and Parts
YS Engines #S5116 91H BACK PLATE
$12.95
Only 2 units left
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YS Engines and Parts
YS Engines #S5111 91H CRANKSHAFT
$69.85
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#S5110 91H CONNECTING RODYS Engines and Parts
YS Engines #S5110 91H CONNECTING ROD
$31.85
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YS Engines and Parts
YS Engines #S5106 91H PISTON
$54.95
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YS Engines and Parts
YS Engines #S5105 91H CYLINDER LINER
$87.95
Only 1 unit left
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#S5104 91H HEAD SCREWSYS Engines and Parts
YS Engines #S5104 91H HEAD SCREWS
$7.85
Only 4 units left
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YS Engines and Parts
YS Engines #S5103 91H HEAD GASKET
$3.85
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#S5102 91H CYLINDER HEADYS Engines and Parts
YS Engines #S5102 91H CYLINDER HEAD
$65.50
Only 1 unit left
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YS Engines and Parts
YS Engines #S5101 91H CRANKCASE
$148.45
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#F2193 140DZ RESTRICTOR SETYS Engines and Parts
YS Engines #F2193 140DZ RESTRICTOR SET
$10.95
Only 1 unit left
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#F2073 140DZ CARBURETOR GASKETYS Engines and Parts
YS Engines #F2073 140DZ CARBURETOR GASKET
$3.85
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#F2168 140DZ THROTTLE BARREL SEALYS Engines and Parts
YS Engines #F2168 140DZ THROTTLE BARREL SEAL
$6.55
In stock, 6 units
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YS Engines and Parts
YS Engines #F2161 140DZ CARBURETOR BODY
$90.15
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YS Engines and Parts
YS Engines #F2161A 140DZ CARBURETOR ASSEMBLY
$153.95
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#F2191 140DZ LOWER PUSH RODYS Engines and Parts
YS Engines #F2191 140DZ LOWER PUSH ROD
$6.55
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YS Engines and Parts
YS Engines #F2190 140DZ UPPER PUSH ROD
$6.55
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YS Engines and Parts
YS Engines #F2030 140DZ DISC VALVE PIN
$13.15
Only 1 unit left
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#F2084 170DZ CDI WRIST PIN ACCESS SCREWYS Engines and Parts
YS Engines #F2084 170DZ CDI WRIST PIN ACCESS SCREW
$7.45
Only 2 units left
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YS Engines and Parts
YS Engines #F2192 140DZ INSULATOR GASKET
$3.85
Only 1 unit left
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#F2188 140DZ INSULATOR O RINGYS Engines and Parts
YS Engines #F2188 140DZ INSULATOR O RING
$3.85
In stock, 7 units
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#F2187 140DZ FUEL PUMP INSULATORYS Engines and Parts
YS Engines #F2187 140DZ FUEL PUMP INSULATOR
$10.95
In stock, 10 units
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YS Engines and Parts
YS Engines #F2186 140DZ FUEL PUMP PLUNGER
$9.85
Only 5 units left
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#F2057 140DZ FUEL PUMP SCREWSYS Engines and Parts
YS Engines #F2057 140DZ FUEL PUMP SCREWS
$6.85
In stock, 7 units
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YS Engines and Parts
YS Engines #F2056 140DZ FUEL PUMP PLATE
$43.95
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YS Engines and Parts
YS Engines #F2153 140DZ FUEL PUMP BODY
$43.95
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#F2052 140DZ REGULATOR SCREW SETYS Engines and Parts
YS Engines #F2052 140DZ REGULATOR SCREW SET
$4.85
In stock, 20 units
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YS Engines and Parts
YS Engines #F2047 140DZ REGULATOR BODY
$36.25
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YS Engines and Parts
YS Engines #F2147A 140DZ FUEL PUMP ASSEMBLY
$153.95
Only 1 unit left
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#F2041 140DZ PUSH ROD COVERYS Engines and Parts
YS Engines #F2041 140DZ PUSH ROD COVER
$10.75
In stock, 6 units
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#F2040 140DZ EXHAUST PUSH RODYS Engines and Parts
YS Engines #F2040 140DZ EXHAUST PUSH ROD
$8.75
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