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Wiseco

Wiseco Piston Kit Yamaha YZ250F '08-11 5V 14.0:1

Part number: W4976M07700

€222.32

Sales price · excluding VAT and shipping

Not currently in supplier stockCatalogue updated: 6 Nov 2026, 07:44

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
77.00 mm
Piston Size
76.95 mm
Compression Ratio - Actual
14.0:1
Compression Ratio - Over Stock
+0.5
Total Height
38.30 mm
Piston Pin Hole Diameter
16.00 mm
Compression Height
14.10 mm
Boss Spacing
19.00 mm
Piston Head Type
Flat with raised top
Skirt Coating
Armorglide Coating
Additional Info
5 Valve Pockets, Forged Piston
OEM Reference No
5XC-11631-00
Country of Origin
USA
GTIN
00193564141279
Piston Ring Part #
W7700YC
Piston Pin Part #
WS742
Circlip Part #
WCW16
Package Height
101,60 mm
Package Length
88,90 mm
Package Weight
362.87 g
Package Width
88,90 mm
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