{"product_id":"outerwears-pre-filter-nu-3230st-part-number-20-1258-01","title":"Outerwears Pre-Filter Nu 3230ST, Part Number 20-1258-01","description":"\u003cp\u003eThe Outerwears Pre-Filter Nu 3230ST is designed to provide an additional layer of protection for compatible motorcycle air filters while maintaining efficient airflow. Its silicone-impregnated micro-mesh material is water resistant and helps defend against sand, dirt, clay, and water without creating a noticeable loss of intake performance. Dyno and flow bench testing has shown no significant horsepower or airflow loss when this pre-filter is used.\u003c\/p\u003e\u003cp\u003eUniform micron-sized openings filter particles as small as 0.005 inches in diameter while allowing air to pass through the intake system. The seams are dielectrically welded to support a secure, durable construction in demanding riding environments. This pre-filter is a practical choice for riders who need added protection from off-road debris and moisture while preserving engine airflow.\u003c\/p\u003e\u003cp\u003eOuterwears Pre-Filter Nu 3230ST, manufacturer part number and vendor part number 20-1258-01, fits select Yamaha and Honda applications. Fitment includes the 2016 and 2017 Yamaha YZ250X, along with Honda CR125R models from 1979, 1980, and 1984 through 1989. Confirm the motorcycle model and year before installation to ensure proper fit.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePerformance: Dyno and flow bench testing shows no significant loss of horsepower or intake airflow.\u003c\/li\u003e\n\u003cli\u003eWater Resistance: Silicone-impregnated micro-mesh helps resist water intrusion.\u003c\/li\u003e\n\u003cli\u003eConstruction: Dielectrically welded seams provide durable, secure assembly.\u003c\/li\u003e\n\u003cli\u003eFiltration: Uniform micron-sized openings help filter sand, dirt, clay, and water.\u003c\/li\u003e\n\u003cli\u003eFine Particle Protection: Filters particles as small as 0.005 inches without noticeable airflow restriction.\u003c\/li\u003e\n\u003cli\u003eFitment: Fits 2016 and 2017 Yamaha YZ250X models and 1979, 1980, and 1984–1989 Honda CR125R models.\u003c\/li\u003e\n\u003cli\u003eIdentification: Outerwears Nu 3230ST, part number 20-1258-01.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n1974 Yamaha YZ125\u003cbr\u003e\n1974 Yamaha YZ250\u003cbr\u003e\n1975 Yamaha YZ125\u003cbr\u003e\n1975 Yamaha YZ250\u003cbr\u003e\n1976 Yamaha YZ125\u003cbr\u003e\n1976 Yamaha YZ250\u003cbr\u003e\n1977 Yamaha YZ125\u003cbr\u003e\n1977 Yamaha YZ250\u003cbr\u003e\n1978 Honda CR250R\u003cbr\u003e\n1978 Yamaha YZ125\u003cbr\u003e\n1978 Yamaha YZ250\u003cbr\u003e\n1979 Honda CR125R\u003cbr\u003e\n1979 Honda CR250R\u003cbr\u003e\n1979 Yamaha YZ125\u003cbr\u003e\n1979 Yamaha YZ250\u003cbr\u003e\n1980 Honda CR125R\u003cbr\u003e\n1980 Honda CR250R\u003cbr\u003e\n1980 Yamaha YZ125\u003cbr\u003e\n1980 Yamaha YZ250\u003cbr\u003e\n1981 Honda CR125R\u003cbr\u003e\n1981 Honda CR250R\u003cbr\u003e\n1981 Yamaha YZ125\u003cbr\u003e\n1981 Yamaha YZ250\u003cbr\u003e\n1982 Honda CR125R\u003cbr\u003e\n1982 Honda CR250R\u003cbr\u003e\n1982 Yamaha YZ125\u003cbr\u003e\n1982 Yamaha YZ250\u003cbr\u003e\n1983 Honda CR125R\u003cbr\u003e\n1983 Honda CR250R\u003cbr\u003e\n1983 Yamaha YZ125\u003cbr\u003e\n1983 Yamaha YZ250\u003cbr\u003e\n1984 Honda CR125R\u003cbr\u003e\n1984 Honda CR250R\u003cbr\u003e\n1984 Yamaha YZ125\u003cbr\u003e\n1984 Yamaha YZ250\u003cbr\u003e\n1985 Honda CR125R\u003cbr\u003e\n1985 Honda CR250R\u003cbr\u003e\n1985 Yamaha YZ125\u003cbr\u003e\n1985 Yamaha YZ250\u003cbr\u003e\n1986 Honda CR125R\u003cbr\u003e\n1986 Honda CR250R\u003cbr\u003e\n1986 Yamaha YZ125\u003cbr\u003e\n1986 Yamaha YZ250\u003cbr\u003e\n1987 Honda CR125R\u003cbr\u003e\n1987 Honda CR250R\u003cbr\u003e\n1987 Yamaha YZ125\u003cbr\u003e\n1987 Yamaha YZ250\u003cbr\u003e\n1988 Honda CR125R\u003cbr\u003e\n1988 Honda CR250R\u003cbr\u003e\n1988 Yamaha YZ125\u003cbr\u003e\n1988 Yamaha YZ250\u003cbr\u003e\n1989 Honda CR125R\u003cbr\u003e\n1989 Honda CR250R\u003cbr\u003e\n1989 Yamaha YZ125\u003cbr\u003e\n1989 Yamaha YZ250\u003cbr\u003e\n1989 Yamaha YZ250WR\u003cbr\u003e\n1990 Honda CR125R\u003cbr\u003e\n1990 Honda CR250R\u003cbr\u003e\n1990 Yamaha YZ125\u003cbr\u003e\n1990 Yamaha YZ250\u003cbr\u003e\n1990 Yamaha YZ250WR\u003cbr\u003e\n1991 Honda CR125R\u003cbr\u003e\n1991 Honda CR250R\u003cbr\u003e\n1991 Yamaha YZ125\u003cbr\u003e\n1991 Yamaha YZ250\u003cbr\u003e\n1992 Honda CR125R\u003cbr\u003e\n1992 Honda CR250R\u003cbr\u003e\n1992 Yamaha YZ125\u003cbr\u003e\n1992 Yamaha YZ250\u003cbr\u003e\n1993 Honda CR125R\u003cbr\u003e\n1993 Honda CR250R\u003cbr\u003e\n1993 Yamaha YZ125\u003cbr\u003e\n1993 Yamaha YZ250\u003cbr\u003e\n1994 Honda CR125R\u003cbr\u003e\n1994 Honda CR250R\u003cbr\u003e\n1994 Yamaha YZ125\u003cbr\u003e\n1994 Yamaha YZ250\u003cbr\u003e\n1995 Honda CR125R\u003cbr\u003e\n1995 Honda CR250R\u003cbr\u003e\n1995 Yamaha YZ125\u003cbr\u003e\n1995 Yamaha YZ250\u003cbr\u003e\n1996 Honda CR125R\u003cbr\u003e\n1996 Honda CR250R\u003cbr\u003e\n1996 Yamaha YZ125\u003cbr\u003e\n1996 Yamaha YZ250\u003cbr\u003e\n1997 Honda CR125R\u003cbr\u003e\n1997 Honda CR250R\u003cbr\u003e\n1997 Yamaha YZ125\u003cbr\u003e\n1997 Yamaha YZ250\u003cbr\u003e\n1998 Honda CR125R\u003cbr\u003e\n1998 Honda CR250R\u003cbr\u003e\n1998 Yamaha YZ125\u003cbr\u003e\n1998 Yamaha YZ250\u003cbr\u003e\n1998 Yamaha YZ400F\u003cbr\u003e\n1999 Honda CR125R\u003cbr\u003e\n1999 Honda CR250R\u003cbr\u003e\n1999 Yamaha YZ125\u003cbr\u003e\n1999 Yamaha YZ250\u003cbr\u003e\n1999 Yamaha YZ400F\u003cbr\u003e\n2000 Honda CR125R\u003cbr\u003e\n2000 Honda CR250R\u003cbr\u003e\n2000 Yamaha YZ125\u003cbr\u003e\n2000 Yamaha YZ250\u003cbr\u003e\n2000 Yamaha YZ426F\u003cbr\u003e\n2001 Honda CR125R\u003cbr\u003e\n2001 Honda CR250R\u003cbr\u003e\n2001 Yamaha YZ125\u003cbr\u003e\n2001 Yamaha YZ250\u003cbr\u003e\n2001 Yamaha YZ250F\u003cbr\u003e\n2001 Yamaha YZ426F\u003cbr\u003e\n2002 Honda CR125R\u003cbr\u003e\n2002 Honda CR250R\u003cbr\u003e\n2002 Yamaha YZ125\u003cbr\u003e\n2002 Yamaha YZ250\u003cbr\u003e\n2002 Yamaha YZ250F\u003cbr\u003e\n2002 Yamaha YZ426F\u003cbr\u003e\n2003 Honda CR125R\u003cbr\u003e\n2003 Honda CR250R\u003cbr\u003e\n2003 Yamaha YZ125\u003cbr\u003e\n2003 Yamaha YZ250\u003cbr\u003e\n2003 Yamaha YZ250F\u003cbr\u003e\n2003 Yamaha YZ450F\u003cbr\u003e\n2004 Honda CR125R\u003cbr\u003e\n2004 Honda CR250R\u003cbr\u003e\n2004 Yamaha YZ125\u003cbr\u003e\n2004 Yamaha YZ250\u003cbr\u003e\n2004 Yamaha YZ250F\u003cbr\u003e\n2004 Yamaha YZ450F\u003cbr\u003e\n2005 Honda CR125R\u003cbr\u003e\n2005 Honda CR250R\u003cbr\u003e\n2005 Yamaha YZ125\u003cbr\u003e\n2005 Yamaha YZ250\u003cbr\u003e\n2005 Yamaha YZ250F\u003cbr\u003e\n2005 Yamaha YZ450F\u003cbr\u003e\n2006 Honda CR125R\u003cbr\u003e\n2006 Honda CR250R\u003cbr\u003e\n2006 KTM 250 XC-W\u003cbr\u003e\n2006 Yamaha YZ125\u003cbr\u003e\n2006 Yamaha YZ250\u003cbr\u003e\n2006 Yamaha YZ250F\u003cbr\u003e\n2006 Yamaha YZ450F\u003cbr\u003e\n2007 Honda CR125R\u003cbr\u003e\n2007 Honda CR250R\u003cbr\u003e\n2007 Yamaha YZ125\u003cbr\u003e\n2007 Yamaha YZ250\u003cbr\u003e\n2007 Yamaha YZ250F\u003cbr\u003e\n2007 Yamaha YZ450F\u003cbr\u003e\n2008 Yamaha YZ125\u003cbr\u003e\n2008 Yamaha YZ250\u003cbr\u003e\n2008 Yamaha YZ250F\u003cbr\u003e\n2008 Yamaha YZ450F\u003cbr\u003e\n2009 Yamaha YZ125\u003cbr\u003e\n2009 Yamaha YZ250\u003cbr\u003e\n2009 Yamaha YZ250F\u003cbr\u003e\n2009 Yamaha YZ450F\u003cbr\u003e\n2010 Yamaha YZ125\u003cbr\u003e\n2010 Yamaha YZ250\u003cbr\u003e\n2010 Yamaha YZ250F\u003cbr\u003e\n2010 Yamaha YZ450F\u003cbr\u003e\n2011 Yamaha YZ125\u003cbr\u003e\n2011 Yamaha YZ250\u003cbr\u003e\n2011 Yamaha YZ250F\u003cbr\u003e\n2011 Yamaha YZ450F\u003cbr\u003e\n2012 Yamaha YZ125\u003cbr\u003e\n2012 Yamaha YZ250\u003cbr\u003e\n2012 Yamaha YZ250F\u003cbr\u003e\n2012 Yamaha YZ450F\u003cbr\u003e\n2013 Yamaha YZ125\u003cbr\u003e\n2013 Yamaha YZ250\u003cbr\u003e\n2013 Yamaha YZ250F\u003cbr\u003e\n2013 Yamaha YZ450F\u003cbr\u003e\n2014 Yamaha YZ125\u003cbr\u003e\n2014 Yamaha YZ250\u003cbr\u003e\n2015 Yamaha YZ125\u003cbr\u003e\n2015 Yamaha YZ250\u003cbr\u003e\n2016 Yamaha YZ125\u003cbr\u003e\n2016 Yamaha YZ250\u003cbr\u003e\n2016 Yamaha YZ250X\u003cbr\u003e\n2017 Yamaha YZ125\u003cbr\u003e\n2017 Yamaha YZ250\u003cbr\u003e\n2017 Yamaha YZ250X","brand":"OUTERWEARS","offers":[{"title":"Default Title","offer_id":67574456058091,"sku":"25-5950","price":27.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/4ffc-572a5ec3777d0_f5162591-b7e2-4a45-a36c-9b6a64479a86.jpg?v=1790825616","url":"https:\/\/ctracingservices.com\/products\/outerwears-pre-filter-nu-3230st-part-number-20-1258-01","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}