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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 829 - 864 of 982 products

Showing 829 - 864 of 982 products
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#S8146 ST2 O RING SETYS Engines and Parts
YS Engines #S8146 ST2 O RING SET
$17.50
Only 2 units left
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YS Engines and Parts
YS Engines #S8130 ST2 HIGH SPEED NEEDLE
$15.35
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YS Engines and Parts
YS Engines #S8121 ST2 THROTTLE BARREL
$29.65
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#S8119 ST2 CARBURETOR BODYYS Engines and Parts
YS Engines #S8119 ST2 CARBURETOR BODY
$69.50
Only 1 unit left
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#S8132 ST2 LOW SPEED NEEDLEYS Engines and Parts
YS Engines #S8132 ST2 LOW SPEED NEEDLE
$16.45
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#F5144A 53FZ BACK PLATE ASSEMBLYYS Engines and Parts
YS Engines #F5144A 53FZ BACK PLATE ASSEMBLY
$55.75
Only 3 units left
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#F5172 53FZ REGULATOR SCREWSYS Engines and Parts
YS Engines #F5172 53FZ REGULATOR SCREWS
$7.85
In stock, 7 units
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YS Engines and Parts
YS Engines #F5171 53FZ REGULATOR SPRING
$5.45
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#F5166 53FZ REGULATOR BODYYS Engines and Parts
YS Engines #F5166 53FZ REGULATOR BODY
$43.95
Only 1 unit left
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#F5165 53FZ CARBURETOR SCREWSYS Engines and Parts
YS Engines #F5165 53FZ CARBURETOR SCREWS
$5.95
Only 3 units left
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#F5163 53FZ FUEL NIPPLEYS Engines and Parts
YS Engines #F5163 53FZ FUEL NIPPLE
$4.75
In stock, 15 units
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YS Engines and Parts
YS Engines #F5158 53FZ NEEDLE VALVE
$17.55
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#F5152 53FZ THROTTLE BARRELYS Engines and Parts
YS Engines #F5152 53FZ THROTTLE BARREL
$27.45
Only 1 unit left
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YS Engines and Parts
YS Engines #F5151 53FZ CARBURETOR BODY
$43.95
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#F5150 53FZ BACK PLATE SCREWSYS Engines and Parts
YS Engines #F5150 53FZ BACK PLATE SCREWS
$3.85
Only 2 units left
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YS Engines and Parts
YS Engines #F5146 53FZ DISC VALVE PIN
$6.33
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#F5145 53FZ DISC VALVEYS Engines and Parts
YS Engines #F5145 53FZ DISC VALVE
$16.78
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YS Engines and Parts
YS Engines #F5144 53FZ BACK PLATE
$32.95
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#F5143 53FZ CON RODYS Engines and Parts
YS Engines #F5143 53FZ CON ROD
$26.35
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#F5141 53FZ PUSH ROD COVER SETYS Engines and Parts
YS Engines #F5141 53FZ PUSH ROD COVER SET
$13.85
Only 2 units left
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YS Engines and Parts
YS Engines #F5140 53FZ PUSH ROD SET
$8.75
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YS Engines and Parts
YS Engines #F5139 53FZ CAM FOLLOWER SET
$16.45
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YS Engines and Parts
YS Engines #F5135 53FZ CAM COVER
$12.75
Only 4 units left
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#F5134 53FZ CAM GEARYS Engines and Parts
YS Engines #F5134 53FZ CAM GEAR
$52.75
Only 1 unit left
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YS Engines and Parts
YS Engines #F5132 53FZ SHAFT SCREW
$3.85
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#F5131 53FZ ROCKER ARM SHAFTYS Engines and Parts
YS Engines #F5131 53FZ ROCKER ARM SHAFT
$9.75
Only 3 units left
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YS Engines and Parts
YS Engines #F5128 53FZ ROCKER ARM SET
$32.95
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YS Engines and Parts
YS Engines #F5127 53FZ WRIST PIN RETAINER
$8.75
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#F5126 53FZ WRIST PINYS Engines and Parts
YS Engines #F5126 53FZ WRIST PIN
$10.95
Only 4 units left
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#F5124 53FZ PISTONYS Engines and Parts
YS Engines #F5124 53FZ PISTON
$46.15
Only 3 units left
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YS Engines and Parts
YS Engines #F5123 53FZ PROP NUT SET
$6.55
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#F5122 53FZ PROP WASHERYS Engines and Parts
YS Engines #F5122 53FZ PROP WASHER
$3.85
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YS Engines and Parts
YS Engines #F5121 53FZ DRIVE WASHER RETAINER
$6.55
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YS Engines and Parts
YS Engines #F5120 53FZ DRIVE WASHER
$18.65
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YS Engines and Parts
YS Engines #F5116 53FZ CRANKSHAFT
$60.45
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YS Engines and Parts
YS Engines #F5114 53FZ INTAKE PIPE
$16.45
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