Xristos44

Wiseco

Wiseco Piston Kit YZ450F '03-09 + WR450F '03-15 13.5:1

Part number: W4786M09500

€232.19

Sales price · excluding VAT and shipping

1 available from supplierCatalogue updated: 6 Nov 2026, 08:21

Supplier stock; quantities are not reserved.

Supplier stock is separate from stock physically held at Nick's Garage. Delivery to Cyprus and the final quotation are confirmed before ordering.

Technical specifications

Bore - Standard
95.00 mm
Piston Size
94.94 mm
Compression Ratio - Actual
13.0:1
Compression Ratio - Over Stock
+0.5
Total Height
40.25 mm
Piston Pin Hole Diameter
18.00 mm
Compression Height
14.40 mm
Boss Spacing
19.50 mm
Piston Head Type
Flat with hollow top
Skirt Coating
Armorglide Coating
Additional Info
5 Valve Pockets, Forged Piston
OEM Reference No
5TJ-11631-00
Country of Origin
USA
GTIN
00193564140586
Piston Ring Part #
W3741XS
Piston Pin Part #
WS600
Circlip Part #
WCW18
Package Height
107,95 mm
Package Length
124,46 mm
Package Weight
362.87 g
Package Width
124,46 mm
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