New Atv Oil Filter Compatible With 1987-2005 Yamaha Yfm350x Warrior 350 Yfm350fx Wolverine 350Cc

OIL FILTER — YAMAHA ATV / MOTOCROSS / ENDURO 4-STROKE FAMILY:

YAMAHA 1UY-13440 OIL FILTER FAMILY:
Per Yamaha and multiple parts catalog documentation, OEM Yamaha 1UY-13440-02-00 (with full supersession chain 1UY-13440-00-00 / 01-00 / 02-00) is the legendary Yamaha oil filter spanning the YFM350/400 ATV utility family AND the WR/YZ-F motocross/enduro dirt bike family. Single filter for 25+ years of Yamaha 250-426cc 4-stroke single-cylinder powersports engines (1987-2013).

⚠️ CRITICAL SOURCE DATA CORRECTIONS:
Source listed all Yamaha models as 'HP' values but these are CC engine displacements:
• Big Bear 350 / 400 = 350cc / 400cc (NOT HP)
• Kodiak 400 = 400cc (NOT HP)
• Raptor 350 = 350cc (NOT HP)
• Warrior 350 = 350cc (NOT HP)
• Wolverine 350 = 350cc (NOT HP)
• TT-R 250 = 250cc (NOT HP)
• WR-F 250 / 400 / 426 = 250cc / 400cc / 426cc (NOT HP)
• YZ-F 250 / 400 / 426 = 250cc / 400cc / 426cc (NOT HP)

FILTER PHYSICAL SPECIFICATIONS:
• Outside Diameter: 38mm
• Height: 47mm
• Construction: Paper Element with Steel Housing
• Type: Spin-On Replaceable Filter

YAMAHA UTILITY ATV APPLICATIONS — 350cc:
• Yamaha YFM350 Moto-4 350cc 4-Stroke ATV (1987-1994)
• Yamaha YFM350 Big Bear 350cc 4-Stroke ATV (1987-1999)
• Yamaha YFM350 Big Bear SE 350cc 4-Stroke ATV (1997)
• Yamaha YFM350 Big Bear Hunting 350cc 4-Stroke ATV (1999)
• Yamaha YFM350FW Big Bear 350cc 4x4 4-Stroke ATV (1987-1999)
• Yamaha YFP350 Terrapro 350cc 4-Stroke (1988)

YAMAHA UTILITY ATV APPLICATIONS — 400cc:
• Yamaha YFM400 Big Bear 400cc 4-Stroke ATV (1993-2012)
• Yamaha YFM400 Big Bear 4x4 400cc 4-Stroke ATV (1993-2012)
• Yamaha YFM400 Big Bear IRS 400cc 4-Stroke ATV (2007-2012)
• Yamaha YFM400 Big Bear Exploring 400cc 4-Stroke (2007)
• Yamaha YFM400 Big Bear Hunter 400cc 4-Stroke (2007-2012)
• Yamaha YFM400 Big Bear Hunter IRS 400cc 4-Stroke (2007-2012)
• Yamaha YFM400 Big Bear Hunting 400cc 4-Stroke (2007-2012)
• Yamaha YFM400FW Kodiak 400cc 4x4 4-Stroke ATV (1993-1999)

YAMAHA SPORT ATV APPLICATIONS:
• Yamaha YFM350X Warrior 350cc 4-Stroke Sport ATV (1987-2004)
• Yamaha YFM350FX Wolverine 350cc 4-Stroke Sport ATV (1995-2005)
• Yamaha YFM350R Raptor 350cc 4-Stroke Sport Quad (2005-2013)
• Yamaha YFM350 Raptor SE/RSE/RSE2 350cc Special Edition (2005-2007)

YAMAHA WR ENDURO / YZ-F MOTOCROSS APPLICATIONS:
• Yamaha TT-R250 250cc 4-Stroke Trail (1999-2006)
• Yamaha WR250F 250cc 4-Stroke Enduro (2001-2002)
• Yamaha WR400F 400cc 4-Stroke Enduro (1998-2002)
• Yamaha WR426F 426cc 4-Stroke Enduro (2001-2002)
• Yamaha YZ250F 250cc 4-Stroke Motocross (2001-2002)
• Yamaha YZ400F 400cc 4-Stroke Motocross (1998-1999)
• Yamaha YZ426F 426cc 4-Stroke Motocross (2000-2002)

OEM CROSS-REFERENCES:
• Yamaha (Current): 1UY-13440-02-00 / 1UY1344002-00
• Yamaha (Older): 1UY-13440-01-00 / 1UY1344001-00
• Yamaha (Oldest): 1UY-13440-00-00 / 1UY1344000-00
• Yamaha (Variants): 1UY-13440-01 / 1UY-13440-02

OIL FILTER SPECIFICATIONS:
• Type: Spin-On Yamaha Powersports Oil Filter
• Material: Paper Element with Steel Housing
• Dimensions: 38mm OD × 47mm Height
• Application: Yamaha 250-426cc 4-Stroke Single-Cylinder
• Year Coverage: 1987-2013 (25+ Years)
• Categories: Utility ATV / Sport ATV / Enduro / Motocross
• Yamaha Maintenance Item: Every Oil Change

FUNCTIONAL APPLICATION — YAMAHA POWERSPORTS PROTECTION:
Direct OEM-spec replacement oil filter spanning the legendary Yamaha 1UY-series 4-stroke powersports engine family — covering utility ATVs (Big Bear, Kodiak, Moto-4, Terrapro), sport ATVs (Warrior, Wolverine, Raptor), enduro motorcycles (TT-R, WR-F), and motocross bikes (YZ-F). Premium quality construction.

SERVICE WHEN:
• Routine Engine Oil Change Service
• Every Oil Change Per Yamaha Service Manual
• Pre-Riding Season Service
• Trail Riding / Racing Service
• Winter Storage Preparation

FITMENT NOTE:
OEM-spec replacement Oil Filter for Yamaha 1UY-13440-02-00 (replaces older 1UY-13440-00-00 / 01-00 — same physical filter). ALWAYS verify the OEM part number from your Yamaha service manual before ordering. Note: Source data labeled CC values as 'HP' — verify your engine displacement matches application list (e.g., '350' = 350cc engine displacement).