- Stock porting
- Slightly modified port configuration increases horsepower
- No case modifications necessary
0
WSM
SKU: 60-520-01
Stock portingSlightly modified port configuration increases horsepowerNo case modifications necessary Yamaha -- Banshee 350 4x2 -- (1989, 1994, 1991, 1988, 1996, 2004, 2000, 2005, 1999, 2001, 2003,...
0
WSM
SKU: 60-520-02
Stock portingSlightly modified port configuration increases horsepowerNo case modifications necessary Yamaha -- Banshee 350 4x2 -- (2003, 2002, 2004, 2000, 1999, 2005, 2001, 1990, 1997, 1998, 1988,...
0
LA Sleeve
SKU: YA-5023
Quality replacement cylinder sleeves give old cylinders new life Yamaha -- Banshee 350 4x2 -- (1998, 1995, 1993, 1997, 1994, 1988, 1996, 1989, 1987, 1992, 1990, 1991, 2001, 2003, 2002, 1999, 2006,...
0
WSM
SKU: 0910-0260
Coated with MOS2 for high performance and heat absorptionPorted to match WSM Banshee sleevesFit bores from 64mm to 70.5mmPiston pin is 5mm higher on long rod pistons to accommodate long rodMade in...
0
LA Sleeve
SKU: FL1251
Quality replacement cylinder sleeves give old cylinders new life Polaris -- Indy Trail Touring 550 w/136" Track -- (2002, 2000, 2003, 2005, 2004, 2006); Polaris -- Indy Sport Touring 550 w/136" Track...