Model years 2002–2006
Crank bearings (one comes on crank)
or failure of any other part on the bike
Built to handle both pump gas and race fuel for versatile performance
89 mm Big Bore Cylinder – Wiseco or Wossner forged piston kit*
05+ TRX400EX 400X Complete Rebuilt Motor Engine Rebuild Top Bottom End Parts Kit RZR900 Model years 2002–2006WPC131B, 4606M08700, C7826, K014, B5047,4040, C7825, 808894, 822278, 4040, CBK0016, C7826, 12100 KCY 670, 4606M08500, C7826, 71016 4, 12191 KCY 673, 13011 KCY 670, 90601 KA5 000, 13103 KCY 670, 13111 KCY 670, 12251 HN1 003, 12209 KL4 005, C7825, 808894, 822278, 4040, WPC131A, WPC131B, CBK0016,TBK0012, K014,8604DA Give your Honda TRX 400EX or 400X a complete performance overhaul with this full engine rebuild kit. NEW after market 85mm, stock bore