WSM

Piston Kit - Yamaha 350 87-14 Standard (1995) OEM# 1UY-11631-01-Y0 | WSM 50-540K

$170.00 AUD

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Size Standard 25mm Over 5mm Over 75mm Over 1mm Over 1.5mm Over

Quantity

Low Stock. We might need to transfer this product from one of our other warehouses. It could be 3-10 Days before we can dispatch this product.

Replacement piston kit for selected Yamaha 350 models (1987–2014) — WSM 50-540K / 1UY-11631-01-Y0.

Product Details

Brand	WSM
Part Number	50-540K
Product Type	Piston Kit
Application	Yamaha

Available Sizes

Choose standard or over-size bore: Standard Bore, .25mm Over, .5mm Over, .75mm Over, 1.00mm Over, 1.5mm Over. Select the WSM SKU that matches your engine bore.

Option	Bore	WSM SKU
Standard (this listing)	83.00 mm	50-540K
+0.25 mm	83.25 mm	50-540-04K
+0.50 mm	83.50 mm	50-540-05K
+0.75 mm	83.75 mm	50-540-06K
+1.00 mm	84.00 mm	50-540-07K
+1.50 mm	84.50 mm	50-540-09K

OEM References

1UY1163101Y0
1YW-11631-01-Y0
5UH-11631-00-C0<

Fitment

Fits selected Yamaha models — see table below.

Yamaha

Model	Engine	Years
Big Bear Hunting	350	1999
Big Bear SE	350	1997
Big Bear	350	1987–1999
Bruin	350	2004–2006
Grizzly Hunter	350	2007–2013
Grizzly Hunting	350	2014
Grizzly IRS	350	2007–2011
Grizzly	350	2007–2014
Raptor SE	350	2005–2007
Raptor	350	2004–2013
Warrior	350	1987–2004
Wolverine	350	1995–2009
YFM	350	1987–1990