Oil and Maintenance Guide for 2013 Honda TRX 400 EX 397
Before You Service the Engine
Regular maintenance for your 2013 Honda TRX 400 EX 397 requires using the right lubricant and verifying the level after you refill. Since catalog recommendations may not cover every manufacturer requirement, consult your specific service instructions before adding any fluid.
How much oil does a 2013 Honda TRX 400 EX 397 take?
The engine-oil capacity is listed at 1.8 quarts. Note that the amount needed during a routine drain might differ from this total capacity, so follow the proper level-check procedure when refilling.

