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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 901 - 936 of 982 products

Showing 901 - 936 of 982 products
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#F1429 120SC RETAINER SCREWYS Engines and Parts
YS Engines #F1429 120SC RETAINER SCREW
$5.85
In stock, 10 units
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YS Engines and Parts
YS Engines #F1427 120SC DISC VALVE
$23.65
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YS Engines and Parts
YS Engines #F1426 120SC BACK PLATE
$47.58
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YS Engines and Parts
YS Engines #F1419 120SC CRANKSHAFT
$93.45
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YS Engines and Parts
YS Engines #F9290 91ACH GASKET SET
$16.45
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YS Engines and Parts
YS Engines #F9254A 91ACH CARBURETOR ASSEMBLY
$107.75
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YS Engines and Parts
YS Engines #F9276 91ACH REGULATOR PLATE
$20.85
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YS Engines and Parts
YS Engines #F9171 91ACH REGULATOR SCREW
$6.55
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YS Engines and Parts
YS Engines #F9255 91ACH THROTTLE BARREL
$27.23
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#F9154A 91AC CARBURETOR ASSEMBLYYS Engines and Parts
YS Engines #F9154A 91AC CARBURETOR ASSEMBLY
$113.58
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YS Engines and Parts
YS Engines #F9147A 91AC BACK PLATE ASSEMBLY
$72.55
Only 2 units left
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#F9165 91AC CARBURETOR SCREWSYS Engines and Parts
YS Engines #F9165 91AC CARBURETOR SCREWS
$8.50
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YS Engines and Parts
YS Engines #F9156 91AC LOW SPEED NEEDLE
$12.05
Only 3 units left
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#F9166 91AC REGULATOR BODYYS Engines and Parts
YS Engines #F9166 91AC REGULATOR BODY
$43.95
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YS Engines and Parts
YS Engines #F9155 91AC THROTTLE BARREL
$31.85
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YS Engines and Parts
YS Engines #F9154 91AC CARBURETOR BODY
$54.95
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#F9153 91AC BACK PLATE SCREWSYS Engines and Parts
YS Engines #F9153 91AC BACK PLATE SCREWS
$6.55
In stock, 10 units
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YS Engines and Parts
YS Engines #F9149 91AC DISK VALVE PIN
$6.33
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YS Engines and Parts
YS Engines #F9148 91AC DISK VALVE
$20.85
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YS Engines and Parts
YS Engines #F9147 91AC BACK PLATE
$37.95
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YS Engines and Parts
YS Engines #F9144 91AC PUSH ROD COVERS
$10.95
Only 2 units left
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#F9139 91AC CAM COVER O RINGYS Engines and Parts
YS Engines #F9139 91AC CAM COVER O RING
$2.75
Only 2 units left
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#F9135 91AC ROCKER ARM SCREWYS Engines and Parts
YS Engines #F9135 91AC ROCKER ARM SCREW
$2.75
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#F9134 91AC ROCKER ARM SHAFTYS Engines and Parts
YS Engines #F9134 91AC ROCKER ARM SHAFT
$10.95
Only 5 units left
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#F9127 91AC PISTONYS Engines and Parts
YS Engines #F9127 91AC PISTON
$54.95
Only 5 units left
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#F9125 91AC KEY WAYYS Engines and Parts
YS Engines #F9125 91AC KEY WAY
$3.85
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#F9117 91AC AIR CHAMBER SCREWSYS Engines and Parts
YS Engines #F9117 91AC AIR CHAMBER SCREWS
$5.45
In stock, 6 units
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YS Engines and Parts
YS Engines #F9115 91AC AIR CHAMBER
$17.55
Only 2 units left
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YS Engines and Parts
YS Engines #F9114 91AC VALVE COVER SCREWS
$3.85
Only 2 units left
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#F9111 91AC HEAD SCREWSYS Engines and Parts
YS Engines #F9111 91AC HEAD SCREWS
$6.55
Only 2 units left
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YS Engines and Parts
YS Engines #F9104 91AC EXHAUST VALVE
$21.95
In stock, 9 units
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#F9103 91AC INTAKE VALVEYS Engines and Parts
YS Engines #F9103 91AC INTAKE VALVE
$24.15
In stock, 9 units
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YS Engines and Parts
YS Engines #F9201 91AC NEW CRANKCASE
$65.95
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YS Engines and Parts
YS Engines #F1352A 120AC CARBURETOR ASSEMBLY
$164.73
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YS Engines and Parts
YS Engines #F1379 120AC AIR CHAMBER NIPPLE
$3.41
Only 1 unit left
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#F1378 120AC BRACKET SCREWYS Engines and Parts
YS Engines #F1378 120AC BRACKET SCREW
$5.23
Only 1 unit left

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