Quad Parts

Piston Kit Forged Series for 4-Stroke Yamaha — Selected Models; See Fitment

WISECOPart no. W4865M09500

Our price £217.93

RRP £229.39Save £11.46 (5%)

Price includes applicable VAT. Delivery calculated separately.

Product details

Piston Kit Forged Series for 4-Stroke Forged 4-stroke piston is designed for each specific engine application and built to the tightest tolerances for the ultimate combination of performance and strength Dedicated forgings allow for optimized strength-to-weight ratio Ideal for multiple purpose riding Kit includes piston, wrist pin, rings and circlips Kit Includes: • 1x Piston • 1x Ring Set #2741XS • 1x Wrist Pin #S641 • 1x Circlip Set #CW20

Supplier reference: 09101668
Manufacturer reference: W4865M09500

Dimensions & specification
Engine Type
4-Stroke
Product Name
Piston Kit
Units
Kit
Skirt Coating
ArmorGlide®
Compression Ratio
11,4:1
Piston Material
Forged 2618 Aluminum
Model
Forged Series
Displacement
439 cc
Bore - Oversize Metric
Standard
Stroke Length
62,00 mm
Compression Ratio Imperial
11.4:1
Bore Size
95,00 mm
Bore - Oversize
Standard
Piston Diameter
94,94 mm
Piston Diameter Metric
94.94 mm
Stroke Length Metric
62.00 mm
Bore Size Metric
95.00 mm
Riding Style
ATV
Delivery & returns

UK standard delivery: 6–10 working days. In-stock parts dispatch within 2–3 working days.

The right part starts
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Compare your model, year and exact variant, then check the number on your original part.

Vehicle fitment

All 24 supplier-listed applications. Match your complete model, year, position and any notes.

Complete supplier-listed applications for W4865M09500
MakeModel & variantYearVehicle typeVehicle IDVariantMarket
YAMAHAYFZ 45020045TG28555AMERICA
YAMAHAYFZ 45020055TG28559AMERICA
YAMAHAYFZ 45020065TG28563AMERICA
YAMAHAYFZ 45020075TG28569AMERICA
YAMAHAYFZ 45020085TG28577AMERICA
YAMAHAYFZ 45020095TG28583AMERICA
YAMAHAYFZ 450201268251ALL
YAMAHAYFZ 450201379385ALL
YAMAHAYFZ 450 BB20065TG28567Bill Ballance EditionAMERICA
YAMAHAYFZ 450 BB20075TG28575Bill Ballance EditionAMERICA
YAMAHAYFZ 450 LE20045TG28557Limited EditionAMERICA
YAMAHAYFZ 450 R200928585ALL
YAMAHAYFZ 450 R201028593ALL
YAMAHAYFZ 450 R201150091ALL
YAMAHAYFZ 450 R201268247ALL
YAMAHAYFZ 450 R201379387ALL
YAMAHAYFZ 450 R201486399ALL
YAMAHAYFZ 450 SE20055TG28561Special EditionAMERICA
YAMAHAYFZ 450 SE20075D328571Special EditionAMERICA
YAMAHAYFZ 450 SP20065TG28565Special EditionAMERICA
YAMAHAYFZ 450 SP20085D328579Special EditionAMERICA
YAMAHAYFZ 450 SP220085TG28581Special Edition 2AMERICA
YAMAHAYFZ 450 SPE220075D328573Special Edition 2AMERICA
YAMAHAYFZ 450 X20111TD50095AMERICA
Piston Kit Forged Series for 4-Stroke Yamaha — Selected Models; See Fitment
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