1986 Yamaha YZ490S Crankshaft Piston OEM Parts

Body, Fairing & Fender
+
Drive & Transmission
+
Exhaust
+
Handlebars & Controls
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Seat
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Suspension
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Crankshaft Piston Diagram

Item MSRP Qty
#1 PISTON STD
40T-11631-00-93
$151.99
Available to order.
Add to View Price
# PISTON 1ST O/S (.25MM)
40T-11635-00-00
$124.99
Unavailable
# PISTON 2ND O/S (.50MM)
40T-11636-00-00
$124.99
Unavailable
# PISTON 3RD O/S (.75MM)
40T-11637-00-00
$124.99
Unavailable
# PISTON 4TH O/S (1.00MM)
40T-11638-00-00
$124.99
Unavailable
#2 PISTON RING SET STD
5X6-11601-00-00
$49.99
Unavailable
# PISTON RING SET (3RD O/S)
5X6-11601-30-00
$102.99
Unavailable
# PISTON RING SET (4TH O/S)
5X6-11601-40-00
$47.99
Unavailable
# PISTON RING SET (2ND O/S)
5X6-11601-20-00
$102.99
Unavailable
# PISTON RING SET (1ST O/S)
5X6-11601-10-00
$52.99
Unavailable
#3 PIN, PISTON
275-11633-00-00
$33.99
Available to order.
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#4 CIRCLIP
93450-19052-00
$6.49
Available to order.
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#5 BEARING, CYLINDRICAL
93310-418E9-00
$45.99
Available to order.
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#6 CRANKSHAFT ASSEMBLY (3R5-11400-
40T-11400-00-00
$592.99
Unavailable
#7 CRANK 1
3R5-11412-00-00
$317.99
Unavailable
#8 CRANK 2
3R5-11422-00-00
$470.99
Unavailable
#9 PIN, CRANK 1
3R8-11681-00-00
$44.99
Available to order.
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#10 ROD, CONNECTING
3R5-11651-00-00
$189.99
Available to order.
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#11 BEARING, CYLINDRICAL
93310-425N4-00
Superseded by 93310-425P2-00
$70.99
Available to order.
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#12 WASHER, (90209-25220)
90209-25085-00
$11.49
Available to order.
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#13 BEARING
93306-30615-00
$77.99
Available to order.
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#14 OIL SEAL (38W)
93103-30150-00
$20.99
Available to order.
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#15 KEY, WOODRUFF
90280-03017-00
$6.49
Available to order.
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#16 BEARING
93306-30615-00
$77.99
Unavailable
#17 CIRCLIP
93450-19052-00
$6.49
Unavailable
# PIN, PISTON
275-11633-00-00
$33.99
Unavailable
# OIL SEAL
93103-40091-00
$29.99
Available to order.
Add to View Price
# PISTON RING SET STD
5X6-11601-00-00
$49.99
Unavailable
# PISTON RING SET (1ST O/S)
5X6-11601-10-00
$52.99
Unavailable
# PISTON RING SET (2ND O/S)
5X6-11601-20-00
$102.99
Unavailable
# PISTON KIT STD
40T-11630-00-00
$126.99
Unavailable
# PISTON STD
40T-11631-00-93
$151.99
Unavailable
# PISTON KIT 1ST O/S
40T-11630-10-00
$154.99
Unavailable
# PISTON KIT 2ND O/S
40T-11630-20-00
$126.99
Unavailable
# PISTON 1ST O/S (.25MM)
40T-11635-00-00
$124.99
Unavailable
# PISTON 2ND O/S (.50MM)
40T-11636-00-00
$124.99
Unavailable
# PISTON 3RD O/S (.75MM)
40T-11603-00-0
Unavailable
# CIRCLIP
93450-19052-00
$6.49
Unavailable
# BEARING, CYLINDRICAL
93310-425N4-00
Superseded by 93310-425P2-00
$70.99
Unavailable
# WASHER, (90209-25220)
90209-25085-00
$11.49
Unavailable
# PIN, PISTON
275-11633-00-00
$33.99
Unavailable
# BEARING, CYLINDRICAL
93310-418E9-00
$45.99
Unavailable
# PIN, CRANK 1
3R8-11681-00-00
$44.99
Unavailable
# ROD, CONNECTING
3R5-11651-00-00
$189.99
Unavailable
# CONNECTING ROD ASSEMBLY
3R5-11650-00-00
$285.99
Available to order.
Add to View Price
# PISTON RING SET (3RD O/S)
5X6-11601-30-00
$102.99
Unavailable
# PISTON RING SET (4TH O/S)
5X6-11601-40-00
$47.99
Unavailable
# PISTON KIT (4TH O/S)
40T-11630-40-00
$126.99
Unavailable
# PISTON 3RD O/S (.75MM)
40T-11637-00-00
$124.99
Unavailable
# PISTON 4TH O/S (1.00MM)
40T-11638-00-00
$124.99
Unavailable
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