WSM Piston Kit 100-49-07SK 3.540" Bore for Mercury / Mariner 2.5L 6 Cyl and Sea-Doo Utopia 210 / 240

$173.89 USD

WSM Piston Kit 100-49-07SK 3.540" Bore for Mercury / Mariner 2.5L 6 Cyl and Sea-Doo Utopia 210 / 240

$173.89 USD

This is the WSM piston kit, item 100-49-07SK, in the 3.540" bore size for 2.5L six-cylinder Mercury and Mariner outboards and the Sea-Doo Utopia 210 and 240 EFI jet boats. It goes in when you are rebuilding the bottom end of one of these engines and need pistons sized for the 3.540" bore. Check the bore size on your engine before ordering, since the fitment table also lists 3.501 bore engines. Call us if you are not sure which size you need.

Part number 100-49-07SK
Brand WSM
Size 3.540" bore
Condition New

Fits

  • Mercury 2.5L 6 Cyl Jet 110 (2006-2013)
  • Mercury 2.5L 6 Cyl Optimax 135 (2001-2012)
  • Mercury 2.5L 6 Cyl Optimax 150 (2001-2014)
  • Mercury 2.5L 6 Cyl Optimax 175 (2001-2014)
  • Mercury 2.5L 6 Cyl Pro XS 150 (2010-2018)
  • Sea-Doo Utopia 210 (2001-2002)
  • Sea-Doo Utopia 240 EFI (2004-2005)
  • Mariner 2.5L 6 Cyl

Not sure it fits your ski? Call or text 954-914-6465 with your hull ID (HIN) and we'll confirm before you order.