Oil and Maintenance Guide for 2008 Honda TRX 420 TM Fourtrax 420
Before You Service the Engine
Routine engine maintenance on the 2008 Honda TRX 420 TM Fourtrax 420 calls for the correct lubricant and a careful check of the level after refilling. A catalog recommendation is a starting point rather than proof of every manufacturer requirement; consult the correct service instructions before adding fluid.
Transmission and Drivetrain
Gearcase or differential lubricant listings include SEVERE GEARĀ® 75W-90.
How much oil does a 2008 Honda TRX 420 TM Fourtrax 420 take?
The available engine-oil capacity figure is 2.96 quarts. The amount added during a routine drain may differ from the listed capacity; use the correct level-check procedure when refilling.
Which transmission or differential lubricant is listed for a 2008 Honda TRX 420 TM Fourtrax 420?
Gearcase/differential product: SEVERE GEARĀ® 75W-90. Confirm the exact compartment and specification before adding fluid.

