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50 Caliber Racing

Honda TRX XR400R 440cc Big Bore Kit

Honda TRX XR400R 440cc Big Bore Kit

$59.49 USD
$69.99 USD $59.49 USD
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Fits these machines

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Make
Honda
Model
TRX400
Years
1995–2014
Type
ATV

More parts for the TRX400 →

Want to be sure it fits?Parts can vary by year, make, and model. If you already know it fits, go ahead and order with confidence — no call required. If you’d like a hand, reach out and we’ll gladly confirm fitment for you. Email sales@jkloffroad.com, call or text 579-509-2791.

Honda XR400R / TRX400EX 89mm 440cc Big Bore Kit 1996- 2016

Bolt on 89mm 440cc Big Bore Kit for all Honda TRX400EX and XR400 models. This is a complete kit, with everything you need. Improved cylinder design with a larger cylinder sleeve for longer lasting performance. 10:1 89mm Piston with hard anodized dome. This kit is truly bolt on and can be installed by anyone with basic mechanical skills who is not afraid to turn some nuts and bolts. Breathe new life into your Honda with our high quality, affordable and reliable big bore kit!

Includes:

- 89mm Cylinder
- 10:1 Piston with Anodized Dome
- Piston Ring Kit
- Gasket Kit
- Wrist Pin
- Circlips
- O-Rings

Fits the following Honda models:
TRX400EX (1996-2016)
TRX400X (1996-2016)
XR400R (1996-2003)

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