Honda Utility ATV TRX420FA2

Refer to Safety Precautions on page 121. This procedure requires mechanical skill and professional tools such as a torque wrench as well as a means for disposing of the drained fluid (page 226). If you do not have the skills or the tools, see your dealer.

NOTICE: Using the wrong oil filter may result in leaks or engine damage.

Tank cover assembly removed (page 134)?

Oil fill cap removed from the front right crankcase cover?

Oil drain pan placed under the crankcase?

Engine oil drain bolt (1) and sealing washer (2) removed?

Oil drain bolt reinstalled with the new sealing washer and tightened to the specified torque: 18 lbf·ft (25 N·m, 2.5 kgf·m)?

Refer to Safety Precautions on page 121.

Your ATV’s oil filter has very specific performance requirements. Use a new Honda Genuine oil filter specified for your model or a filter of equal quality.

NOTICE: Using the wrong oil filter may result in leaks or engine damage.

This procedure requires mechanical skill and professional tools such as a torque wrench as well as a means for disposing of the drained fluid (page 226). If you do not have the skills or the tools, see your dealer.

Change the oil with the engine warm to assure complete and rapid draining.

1.With the ATV on the level ground, remove the seat (page 133) and the tank cover assembly (page 134), and then remove the oil fill cap from the front right crankcase cover.

2.Place an oil drain pan under the crankcase and remove the engine oil drain bolt (1) and sealing washer (2).

Install a New Engine Oil Filter:

Warning: For trained personnel only

Remove the air cleaner housing cover

Loosen the screw and remove the air cleaner assembly from the air cleaner housing

Remove the air cleaner from the air cleaner body

Wash the air cleaner in clean, non-flammable solvent

Inspect for tears or cracks in the foam or seams of the air cleaner

Warning: This procedure requires trained personnel with PPE!

Deposits visible in the drain tube?

If deposits are visible, proceed with the following steps. If not, skip to step 6.

Upload a photo of the drain tube before cleaning

Drain tube removed successfully?

Drain tube reinstalled and secured with the clip?

Upload a photo of the cleaned and reinstalled drain tube

Sign off on the air cleaner housing drain tube cleaning

Warning: This procedure should be serviced by your dealer, unless the owner has proper tools and service data and is mechanically qualified.

Refer to the official Honda Service Manual (page 274).

Refer to Safety Precautions on page 121.

Check the operation of the rear brake light switch (1) at the right side behind the engine.

Adjustment of the rear brake light switch

Sign off on the brake light switch adjustment