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Honda TRX400EX Upper Engine Repair Kit
Complete upper engine rebuild kit for the 1999-2008 Honda Sportrax 400 TRX400EX. Kit includes piston/cylinder system components and gaskets listed in the product specifications.
Technical data
- Application: Honda Sportrax 400 TRX400EX, 1999–2008
- Cylinder diameter: 85 mm
- Piston stroke: 70 mm
- Engine capacity: 397 cm³
- Piston compression: 9.1:1
- Main material: metal
Confirmed OEM/OE numbers
12100-KCY-670, 12191-KCY-672, 13011-KCY-670, 13101-KCY-670, 90601-KA5-000, 13111-KCY-670, 12251-HN1-003, 12391-KCY-671, 14560-KCW-851, 12100-HN1-A70, 12100, 12191, 13011, 13101, 90601, 13111, 12251, 12391, 14560
Scope of application
This product is designed to repair the upper engine of a Honda TRX400EX ATV with a 397cc engine. Before purchasing, please compare the model, year, and part numbers with your vehicle.
Helpful information before purchasing
This kit is designed for the upper engine of the 1999–2008 Honda Sportrax 400 TRX400EX quad. For proper selection, please check the compatibility of the model, year, 85 mm cylinder bore and OEM/OE numbers.
The most important information
- Application: Honda Sportrax 400 TRX400EX, years 1999–2008.
- The cylinder diameter is 85 mm and the piston stroke is 70 mm.
- Engine capacity: 397 cm³; piston compression: 9.1:1.
- The kit includes components to repair the upper engine, including cylinder, piston and gaskets.
Contents of the set
The kit includes: cylinder, piston, piston pin, spark plug, 2 pin retainers, head gasket, base gasket, head cover gasket and 2 piston rings.
Frequently asked questions
How do I check if a part fits?
Compare the model and year of your ATV with the application listed: 1999–2008 Honda Sportrax 400 TRX400EX. Also check the 85mm cylinder bore and OEM/OE numbers.
Is the product ready for assembly?
The source confirms the kit's contents but does not specify any additional preparation steps. Installation should be performed in accordance with the vehicle's service documentation.
Does the offer include a complete set?
The offer includes the items listed in the "Kit Contents" section.
Why is it worth buying from Multigenus?
- Ships from European warehouse for selected offers
- Final price within the EU, excluding customs and import surcharges
- 14 days to return in accordance with EU law
- Pre- and post-purchase support
- The product is described in a way that makes it easier to choose the right variant