Automotive Parts and Accessories: Namura, NA-10010K, Top End Repair Kit 1993-2008 Honda TRX300EX Sportrax Big Bore 330cc - NAMURA
Automotive Parts and Accessories: 2007 Honda TRX300EX Sportrax Top End Kit - Standard Bore 74.00mm, 11:1 Compression, Manufacturer: Wiseco, PK 92-06 TRX300EX 74.0MM - Wiseco
Automotive Parts and Accessories: Wiseco PK1026 74.00 mm 11.0:1 Compression ATV Piston Kit with Top-End Gasket Kit - Wiseco
Automotive Parts and Accessories: Namura Big Bore Piston Kit - NAMURA
Automotive Parts and Accessories: 1993-2008 Honda TRX 300 EX - Big Bore 330cc ATV Engine Piston Kit - Namura
Automotive Parts and Accessories: 1996 Honda TRX300 FourTrax Top End Gasket Kit - 76mm Bore, Manufacturer: Cometic Gasket, TOP END KIT STD TRX300EX 88-02 - Cometic Gasket
Automotive Parts and Accessories: Cardone 10-5000MCB Master Cylinder Bleeder Tool - Cardone
Automotive Parts and Accessories: 2002 Honda TRX300EX Sportrax Top End Gasket Kit - 75mm Bore, Manufacturer: Cometic Gasket, TOP END KIT STD TRX250X 87-92 - Cometic Gasket
Automotive Parts and Accessories: J.E. Pistons Piston Kit (Big Bore) - 3.00mm Oversize to 88.00mm, 11.0:1 Compression 177240 - J.E. Pistons
Automotive Parts and Accessories: 2000 Honda TRX400EX Sportrax Piston Kit - 3.00mm Oversize to 88.00mm, Manufacturer: Athena, PISTON - Athena
Automotive Parts and Accessories: 2008 Honda TRX300EX Sportrax Complete Gasket Kit, Manufacturer: Athena, COMPLETE GASKET KIT HON - Athena
Automotive Parts and Accessories: 2008 Honda TRX300EX Sportrax Top End Gasket Kit, Manufacturer: Athena, TOP-END GASKET KIT HON - Athena
Automotive Parts and Accessories: CP Pistons SC7025 Honda D16Z6 Civic/Del Sol EX/SI/EG - CP Pistons
Automotive Parts and Accessories: 1993-2008 Honda TRX 300 EX ATV Engine Piston Kit - Namura
Automotive Parts and Accessories: Vertex 23234300 Big Bore Piston Kit ?????????? - Vertex
Automotive Parts and Accessories: TRX250X/300EX STG 1 CAM - Hot Cams
Automotive Parts and Accessories: Boom cylinder service seal kit 9078845 for Hitachi EX300,EX300LC,EX300LC-3,EX300H-3,EX300LCH-3 excavator - Blueview
Automotive Parts and Accessories: Bucket cylinder service seal kit 9123265 for Hitachi EX300-3,EX300LC-3,EX300H-3,EX400-3 excavator - Blueview
Automotive Parts and Accessories: Bucket cylinder service seal kit 4369767 for Hitachi EX300-3,EX300LC-3,EX300H-3,EX300LCH-3 excavator - Blueview
Automotive Parts and Accessories: 2007 Honda TRX300EX Sportrax Rev Box, Manufacturer: Big Gun, REV BOX TRX300EX 07-09 - Big Gun
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300Ex Bore Kit Popular Q&A
Q: How much faster will a honda 300ex go with a big bore kit?
A: A Big Bored kit will produce small boost in throttle Read More »
Q: Bore kit for my honda 300ex.?
A: sounds good man,... if its time for a rebuild thats the best time for an upgrade. since it won't cost that much more, try to set a 400 jug, piston & head on the... Read More »
Q: What is the bore size of a honda 300ex?
A: it is a 281cc Read More »
Q: Is a jet kit worth it for a 300ex?
A: Many aftermarket exhausts will benefit from a change of jets but some are manufactured to run with standard jetting. I suggest contacting the pipe manufacturer Read More »
Q: What is a big bore kit?
A: it is a kit that bores the piston to a larger cubic-centimeter (cc) size to increase power tremendously. it requires new pistons, rings, and gaskets. Read More »