Xristos44

Wiseco

Wiseco Piston Kit YZ400F '98-99 + WR400F'98-00 12.5:1 3701XR

Part number: W4649M09400

€198.72

Sales price · excluding VAT and shipping

Not currently in supplier stockCatalogue 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
92.00 mm
Bore - Actual
94.00 mm
Bore - Oversize
2.00 mm
Compression Ratio - Actual
12.5:1
Total Height
42.00 mm
Piston Pin Hole Diameter
18.00 mm
Compression Height
15.00 mm
Boss Spacing
20.70 mm
Piston Head Type
Flat with hollow top
Skirt Coating
-
Additional Info
5 Valve Pockets, Forged Piston
OEM Reference No
5BE-11631-01-A0
Country of Origin
USA
GTIN
00193564139993
Piston Ring Part #
W3701XR
Piston Pin Part #
WS560
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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