Xristos44

Wiseco

Wiseco Piston Kit YFM250R Raptor '08-13 + XT250'13-25 13.0:1

Part number: W40078M07400

€192.21

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
74.00 mm
Piston Size
73.95 mm
Compression Ratio - Actual
13.0:1
Compression Ratio - Over Stock
+4.5
Total Height
40.40 mm
Piston Pin Hole Diameter
17.00 mm
Compression Height
15.00 mm
Boss Spacing
23.40 mm
Piston Head Type
Flat
Skirt Coating
Armorglide Coating
Additional Info
2 Valve Pockets, Forged Piston
OEM Reference No
1S4-11631-20-A0
Country of Origin
USA
GTIN
00193564124548
Piston Ring Part #
W2913XA
Piston Pin Part #
WS688
Circlip Part #
WCW17
Package Height
105,41 mm
Package Length
105,41 mm
Package Weight
317.52 g
Package Width
105,41 mm
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