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Honda TRX 400EX – Rebuilt Engine & Suspension – Runs Strong - $4,500 (Troutman)
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Selling a fully gone-through Honda 400EX. This quad has been completely rebuilt with all known issues addressed and is ready for any trail or riding you can throw at it. Super reliable setup with a ton of new parts.
🔧 Engine / Performance
Stock bottom end
New OEM Honda cylinder (jug)
Wiseco stock bore forged piston + rings
Cometic multi-layer copper head gasket
Upgraded Kibblewhite head studs (fixes common head lift issues)
All new supporting gaskets + exhaust gasket
450R timing chain kit (chain, guides, etc.)
New OEM Honda timing tensioner
New clutch pack
Brand new carburetor (42 pilot / 160 main jet)
Electric Fan mod on the oil cooler (on switches)
🛠️ Chassis / Suspension / Steering
Full Flight control arms
New Full Flight tie rods & joints
New ball joints (all 4)
🛞 Wheels / Brakes / Drivetrain
Powder-coated black rims
Brand new tires
New front & rear brake master cylinders
Rear brake caliper replaced
New brake pads all around
New chain
New 13T front sprocket
New case saver
🔩 Extras / Cosmetic
New front bumper
Seat freshly recovered
Aftermarket short-pull clutch lever
Nerf bars refurbished (could use redoing again)
Rear plastics have a wrap (not perfect, see photos)
Missing right-side plastic
New flame arrester in exhaust
New LED headlight mod
📌 Overall
This is a turnkey 400EX with a ton of time and money invested. Starts easy, runs strong, and needs nothing mechanically. These quads are known for reliability, and this one has been brought back better than stock in key areas. 3500 obo